./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678b828e 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 /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_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 c5718de18c98e2503c8da87a38d45b5bd9f3eeb9 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis 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 /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.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 c5718de18c98e2503c8da87a38d45b5bd9f3eeb9 .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.1-678b828 [2020-12-07 16:56:41,012 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 16:56:41,020 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 16:56:41,084 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 16:56:41,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 16:56:41,087 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 16:56:41,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 16:56:41,095 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 16:56:41,100 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 16:56:41,104 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 16:56:41,108 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 16:56:41,112 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 16:56:41,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 16:56:41,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 16:56:41,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 16:56:41,123 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 16:56:41,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 16:56:41,129 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 16:56:41,132 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 16:56:41,137 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 16:56:41,142 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 16:56:41,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 16:56:41,149 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 16:56:41,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 16:56:41,157 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 16:56:41,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 16:56:41,160 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 16:56:41,164 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 16:56:41,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 16:56:41,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 16:56:41,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 16:56:41,171 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 16:56:41,174 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 16:56:41,178 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 16:56:41,181 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 16:56:41,182 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 16:56:41,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 16:56:41,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 16:56:41,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 16:56:41,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 16:56:41,191 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 16:56:41,194 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-07 16:56:41,239 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 16:56:41,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 16:56:41,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 16:56:41,246 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 16:56:41,247 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 16:56:41,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 16:56:41,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-07 16:56:41,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 16:56:41,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 16:56:41,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 16:56:41,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 16:56:41,251 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 16:56:41,252 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 16:56:41,252 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 16:56:41,252 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 16:56:41,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 16:56:41,253 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 16:56:41,253 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 16:56:41,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 16:56:41,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 16:56:41,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 16:56:41,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-07 16:56:41,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-07 16:56:41,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 16:56:41,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 16:56:41,256 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5718de18c98e2503c8da87a38d45b5bd9f3eeb9 [2020-12-07 16:56:41,948 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 16:56:42,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 16:56:42,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 16:56:42,070 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 16:56:42,071 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 16:56:42,076 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i [2020-12-07 16:56:42,236 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec206d69/2d2454dd5e034e80a4f648b756e8f567/FLAGeb823a2f4 [2020-12-07 16:56:44,002 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 16:56:44,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i [2020-12-07 16:56:44,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec206d69/2d2454dd5e034e80a4f648b756e8f567/FLAGeb823a2f4 [2020-12-07 16:56:44,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fec206d69/2d2454dd5e034e80a4f648b756e8f567 [2020-12-07 16:56:44,231 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 16:56:44,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 16:56:44,243 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 16:56:44,244 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 16:56:44,255 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 16:56:44,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:56:44" (1/1) ... [2020-12-07 16:56:44,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f105dd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:44, skipping insertion in model container [2020-12-07 16:56:44,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 04:56:44" (1/1) ... [2020-12-07 16:56:44,281 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 16:56:44,438 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 16:56:44,760 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4496,4509] [2020-12-07 16:56:44,770 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4556,4569] [2020-12-07 16:56:44,807 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 16:56:44,817 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 16:56:46,785 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,787 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,787 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,789 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,793 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,829 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,832 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,840 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,842 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,848 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,850 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,851 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:46,853 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:47,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 16:56:47,805 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 16:56:47,815 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 16:56:47,823 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 16:56:47,837 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 16:56:47,844 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 16:56:47,848 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 16:56:47,853 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 16:56:47,861 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 16:56:47,879 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 16:56:48,285 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 16:56:48,374 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 16:56:48,417 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 16:56:48,444 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4496,4509] [2020-12-07 16:56:48,446 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4556,4569] [2020-12-07 16:56:48,458 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 16:56:48,464 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 16:56:48,608 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,610 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,613 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,616 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,620 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,638 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,639 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,641 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,643 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,646 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,649 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,651 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,653 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 16:56:48,774 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 16:56:48,778 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 16:56:48,780 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 16:56:48,784 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 16:56:48,787 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 16:56:48,790 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 16:56:48,792 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 16:56:48,794 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 16:56:48,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 16:56:48,796 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 16:56:48,898 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 16:56:48,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 16:56:50,822 INFO L208 MainTranslator]: Completed translation [2020-12-07 16:56:50,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50 WrapperNode [2020-12-07 16:56:50,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 16:56:50,825 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 16:56:50,826 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 16:56:50,826 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 16:56:50,846 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:50,981 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,115 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 16:56:51,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-07 16:56:51,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-07 16:56:51,123 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-07 16:56:51,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,178 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,286 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... [2020-12-07 16:56:51,310 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-07 16:56:51,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-07 16:56:51,315 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-07 16:56:51,315 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-07 16:56:51,319 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 16:56:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-07 16:56:51,508 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-07 16:56:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-07 16:56:51,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-07 16:56:51,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-07 16:56:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-07 16:56:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-07 16:56:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-07 16:56:51,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-07 16:56:53,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-07 16:56:53,259 INFO L299 CfgBuilder]: Removed 45 assume(true) statements. [2020-12-07 16:56:53,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:56:53 BoogieIcfgContainer [2020-12-07 16:56:53,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-07 16:56:53,266 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-07 16:56:53,267 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-07 16:56:53,276 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-07 16:56:53,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 04:56:44" (1/3) ... [2020-12-07 16:56:53,280 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539dbb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:56:53, skipping insertion in model container [2020-12-07 16:56:53,281 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 04:56:50" (2/3) ... [2020-12-07 16:56:53,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@539dbb5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 04:56:53, skipping insertion in model container [2020-12-07 16:56:53,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 04:56:53" (3/3) ... [2020-12-07 16:56:53,285 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_linked_list_remove_harness.i [2020-12-07 16:56:53,315 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-07 16:56:53,323 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2020-12-07 16:56:53,344 INFO L253 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2020-12-07 16:56:53,400 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-07 16:56:53,401 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-07 16:56:53,401 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-07 16:56:53,401 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-07 16:56:53,401 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-07 16:56:53,402 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-07 16:56:53,402 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-07 16:56:53,402 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-07 16:56:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2020-12-07 16:56:53,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-07 16:56:53,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:53,454 INFO L422 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] [2020-12-07 16:56:53,456 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:53,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:53,473 INFO L82 PathProgramCache]: Analyzing trace with hash 505703481, now seen corresponding path program 1 times [2020-12-07 16:56:53,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:53,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876987962] [2020-12-07 16:56:53,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:54,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:54,368 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876987962] [2020-12-07 16:56:54,375 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:54,375 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-07 16:56:54,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175930351] [2020-12-07 16:56:54,399 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-07 16:56:54,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:54,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-07 16:56:54,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-07 16:56:54,455 INFO L87 Difference]: Start difference. First operand 73 states. Second operand 2 states. [2020-12-07 16:56:54,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:54,548 INFO L93 Difference]: Finished difference Result 138 states and 183 transitions. [2020-12-07 16:56:54,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-07 16:56:54,556 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 24 [2020-12-07 16:56:54,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:54,594 INFO L225 Difference]: With dead ends: 138 [2020-12-07 16:56:54,595 INFO L226 Difference]: Without dead ends: 68 [2020-12-07 16:56:54,603 INFO L677 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 [2020-12-07 16:56:54,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-07 16:56:54,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2020-12-07 16:56:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-12-07 16:56:54,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 79 transitions. [2020-12-07 16:56:54,669 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 79 transitions. Word has length 24 [2020-12-07 16:56:54,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:54,671 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 79 transitions. [2020-12-07 16:56:54,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-07 16:56:54,672 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 79 transitions. [2020-12-07 16:56:54,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-12-07 16:56:54,674 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:54,674 INFO L422 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] [2020-12-07 16:56:54,675 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-07 16:56:54,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:54,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:54,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1496918578, now seen corresponding path program 1 times [2020-12-07 16:56:54,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:54,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863179935] [2020-12-07 16:56:54,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:54,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:55,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:55,148 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863179935] [2020-12-07 16:56:55,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-07 16:56:55,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-07 16:56:55,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621574928] [2020-12-07 16:56:55,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-07 16:56:55,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:55,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-07 16:56:55,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-07 16:56:55,155 INFO L87 Difference]: Start difference. First operand 68 states and 79 transitions. Second operand 3 states. [2020-12-07 16:56:55,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:55,178 INFO L93 Difference]: Finished difference Result 118 states and 136 transitions. [2020-12-07 16:56:55,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-07 16:56:55,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 27 [2020-12-07 16:56:55,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:55,181 INFO L225 Difference]: With dead ends: 118 [2020-12-07 16:56:55,181 INFO L226 Difference]: Without dead ends: 69 [2020-12-07 16:56:55,183 INFO L677 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 [2020-12-07 16:56:55,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-12-07 16:56:55,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2020-12-07 16:56:55,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-12-07 16:56:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 80 transitions. [2020-12-07 16:56:55,194 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 80 transitions. Word has length 27 [2020-12-07 16:56:55,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:55,194 INFO L481 AbstractCegarLoop]: Abstraction has 69 states and 80 transitions. [2020-12-07 16:56:55,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-07 16:56:55,195 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 80 transitions. [2020-12-07 16:56:55,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-12-07 16:56:55,196 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:55,196 INFO L422 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] [2020-12-07 16:56:55,197 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-07 16:56:55,197 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:55,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:55,198 INFO L82 PathProgramCache]: Analyzing trace with hash 1845432046, now seen corresponding path program 1 times [2020-12-07 16:56:55,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:55,199 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1642386892] [2020-12-07 16:56:55,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:55,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:55,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1642386892] [2020-12-07 16:56:55,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [612568115] [2020-12-07 16:56:55,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:55,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 4 conjunts are in the unsatisfiable core [2020-12-07 16:56:56,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:56:56,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:56,258 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:56:56,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2020-12-07 16:56:56,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164229961] [2020-12-07 16:56:56,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-07 16:56:56,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:56,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-07 16:56:56,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-07 16:56:56,269 INFO L87 Difference]: Start difference. First operand 69 states and 80 transitions. Second operand 6 states. [2020-12-07 16:56:56,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:56,353 INFO L93 Difference]: Finished difference Result 119 states and 137 transitions. [2020-12-07 16:56:56,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-07 16:56:56,354 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-12-07 16:56:56,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:56,356 INFO L225 Difference]: With dead ends: 119 [2020-12-07 16:56:56,358 INFO L226 Difference]: Without dead ends: 70 [2020-12-07 16:56:56,360 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2020-12-07 16:56:56,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-12-07 16:56:56,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-12-07 16:56:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-12-07 16:56:56,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 81 transitions. [2020-12-07 16:56:56,395 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 81 transitions. Word has length 28 [2020-12-07 16:56:56,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:56,397 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 81 transitions. [2020-12-07 16:56:56,398 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-07 16:56:56,398 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 81 transitions. [2020-12-07 16:56:56,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-07 16:56:56,405 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:56,406 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-07 16:56:56,620 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2020-12-07 16:56:56,621 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:56,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:56,623 INFO L82 PathProgramCache]: Analyzing trace with hash -1915881010, now seen corresponding path program 2 times [2020-12-07 16:56:56,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:56,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697238257] [2020-12-07 16:56:56,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:56,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:56,935 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697238257] [2020-12-07 16:56:56,936 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859591457] [2020-12-07 16:56:56,936 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:57,122 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2020-12-07 16:56:57,123 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:56:57,128 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 20 conjunts are in the unsatisfiable core [2020-12-07 16:56:57,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:56:57,270 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-07 16:56:57,382 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-07 16:56:57,384 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-07 16:56:57,385 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2020-12-07 16:56:57,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339396078] [2020-12-07 16:56:57,387 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-07 16:56:57,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:57,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-07 16:56:57,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-07 16:56:57,393 INFO L87 Difference]: Start difference. First operand 70 states and 81 transitions. Second operand 7 states. [2020-12-07 16:56:57,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:57,830 INFO L93 Difference]: Finished difference Result 112 states and 127 transitions. [2020-12-07 16:56:57,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-07 16:56:57,833 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2020-12-07 16:56:57,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:57,835 INFO L225 Difference]: With dead ends: 112 [2020-12-07 16:56:57,836 INFO L226 Difference]: Without dead ends: 110 [2020-12-07 16:56:57,838 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-12-07 16:56:57,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-12-07 16:56:57,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 72. [2020-12-07 16:56:57,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-07 16:56:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 83 transitions. [2020-12-07 16:56:57,856 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 83 transitions. Word has length 29 [2020-12-07 16:56:57,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:57,857 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 83 transitions. [2020-12-07 16:56:57,858 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-07 16:56:57,858 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 83 transitions. [2020-12-07 16:56:57,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-12-07 16:56:57,860 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:57,861 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-07 16:56:58,075 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:58,076 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:58,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:58,079 INFO L82 PathProgramCache]: Analyzing trace with hash -1914272296, now seen corresponding path program 1 times [2020-12-07 16:56:58,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:58,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681001863] [2020-12-07 16:56:58,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:58,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:58,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681001863] [2020-12-07 16:56:58,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [822111428] [2020-12-07 16:56:58,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:58,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 5 conjunts are in the unsatisfiable core [2020-12-07 16:56:58,543 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:56:58,730 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:58,731 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:56:58,731 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2020-12-07 16:56:58,731 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839830865] [2020-12-07 16:56:58,732 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-07 16:56:58,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:58,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-07 16:56:58,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-07 16:56:58,735 INFO L87 Difference]: Start difference. First operand 72 states and 83 transitions. Second operand 8 states. [2020-12-07 16:56:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:58,777 INFO L93 Difference]: Finished difference Result 124 states and 142 transitions. [2020-12-07 16:56:58,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-07 16:56:58,778 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-12-07 16:56:58,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:58,780 INFO L225 Difference]: With dead ends: 124 [2020-12-07 16:56:58,780 INFO L226 Difference]: Without dead ends: 73 [2020-12-07 16:56:58,782 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2020-12-07 16:56:58,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-07 16:56:58,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-07 16:56:58,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-07 16:56:58,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 84 transitions. [2020-12-07 16:56:58,807 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 84 transitions. Word has length 29 [2020-12-07 16:56:58,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:58,808 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 84 transitions. [2020-12-07 16:56:58,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-07 16:56:58,808 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 84 transitions. [2020-12-07 16:56:58,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-07 16:56:58,815 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:58,815 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-07 16:56:59,032 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:59,034 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:56:59,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:56:59,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1744107256, now seen corresponding path program 2 times [2020-12-07 16:56:59,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:56:59,037 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469650834] [2020-12-07 16:56:59,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:56:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:56:59,256 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:59,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469650834] [2020-12-07 16:56:59,258 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401127369] [2020-12-07 16:56:59,259 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:56:59,580 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-07 16:56:59,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:56:59,586 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-07 16:56:59,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:56:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:56:59,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:56:59,747 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2020-12-07 16:56:59,748 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351281165] [2020-12-07 16:56:59,750 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-07 16:56:59,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:56:59,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-07 16:56:59,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2020-12-07 16:56:59,752 INFO L87 Difference]: Start difference. First operand 73 states and 84 transitions. Second operand 10 states. [2020-12-07 16:56:59,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:56:59,787 INFO L93 Difference]: Finished difference Result 125 states and 143 transitions. [2020-12-07 16:56:59,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-07 16:56:59,789 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-12-07 16:56:59,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:56:59,791 INFO L225 Difference]: With dead ends: 125 [2020-12-07 16:56:59,791 INFO L226 Difference]: Without dead ends: 74 [2020-12-07 16:56:59,793 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2020-12-07 16:56:59,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-12-07 16:56:59,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-12-07 16:56:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-07 16:56:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 85 transitions. [2020-12-07 16:56:59,805 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 85 transitions. Word has length 30 [2020-12-07 16:56:59,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:56:59,806 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 85 transitions. [2020-12-07 16:56:59,806 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-07 16:56:59,807 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 85 transitions. [2020-12-07 16:56:59,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-07 16:56:59,808 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:56:59,809 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-07 16:57:00,022 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:00,024 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:00,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:00,028 INFO L82 PathProgramCache]: Analyzing trace with hash -810243624, now seen corresponding path program 3 times [2020-12-07 16:57:00,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:00,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419369146] [2020-12-07 16:57:00,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:00,307 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:00,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419369146] [2020-12-07 16:57:00,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284138829] [2020-12-07 16:57:00,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:00,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2020-12-07 16:57:00,993 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:00,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 7 conjunts are in the unsatisfiable core [2020-12-07 16:57:01,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:01,212 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:01,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:01,215 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2020-12-07 16:57:01,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356929838] [2020-12-07 16:57:01,219 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-07 16:57:01,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:01,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-07 16:57:01,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2020-12-07 16:57:01,230 INFO L87 Difference]: Start difference. First operand 74 states and 85 transitions. Second operand 12 states. [2020-12-07 16:57:01,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:01,287 INFO L93 Difference]: Finished difference Result 126 states and 144 transitions. [2020-12-07 16:57:01,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-07 16:57:01,288 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2020-12-07 16:57:01,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:01,289 INFO L225 Difference]: With dead ends: 126 [2020-12-07 16:57:01,289 INFO L226 Difference]: Without dead ends: 75 [2020-12-07 16:57:01,291 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=56, Invalid=76, Unknown=0, NotChecked=0, Total=132 [2020-12-07 16:57:01,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-12-07 16:57:01,300 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2020-12-07 16:57:01,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-12-07 16:57:01,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 86 transitions. [2020-12-07 16:57:01,302 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 86 transitions. Word has length 31 [2020-12-07 16:57:01,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:01,302 INFO L481 AbstractCegarLoop]: Abstraction has 75 states and 86 transitions. [2020-12-07 16:57:01,302 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-07 16:57:01,303 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 86 transitions. [2020-12-07 16:57:01,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-07 16:57:01,304 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:01,304 INFO L422 BasicCegarLoop]: trace histogram [5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:01,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2020-12-07 16:57:01,518 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:01,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:01,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1609257720, now seen corresponding path program 4 times [2020-12-07 16:57:01,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:01,520 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [121647879] [2020-12-07 16:57:01,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:01,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:01,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [121647879] [2020-12-07 16:57:01,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [575505804] [2020-12-07 16:57:01,817 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:02,077 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-07 16:57:02,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:02,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-07 16:57:02,087 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:02,349 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:02,350 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:02,350 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2020-12-07 16:57:02,351 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35486161] [2020-12-07 16:57:02,351 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-12-07 16:57:02,352 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:02,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-12-07 16:57:02,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2020-12-07 16:57:02,353 INFO L87 Difference]: Start difference. First operand 75 states and 86 transitions. Second operand 14 states. [2020-12-07 16:57:02,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:02,418 INFO L93 Difference]: Finished difference Result 127 states and 145 transitions. [2020-12-07 16:57:02,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-07 16:57:02,420 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 32 [2020-12-07 16:57:02,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:02,421 INFO L225 Difference]: With dead ends: 127 [2020-12-07 16:57:02,422 INFO L226 Difference]: Without dead ends: 76 [2020-12-07 16:57:02,443 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=106, Unknown=0, NotChecked=0, Total=182 [2020-12-07 16:57:02,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-12-07 16:57:02,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2020-12-07 16:57:02,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2020-12-07 16:57:02,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 87 transitions. [2020-12-07 16:57:02,457 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 87 transitions. Word has length 32 [2020-12-07 16:57:02,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:02,458 INFO L481 AbstractCegarLoop]: Abstraction has 76 states and 87 transitions. [2020-12-07 16:57:02,458 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-12-07 16:57:02,459 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 87 transitions. [2020-12-07 16:57:02,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-07 16:57:02,460 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:02,460 INFO L422 BasicCegarLoop]: trace histogram [6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:02,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:02,677 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:02,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:02,679 INFO L82 PathProgramCache]: Analyzing trace with hash -695611944, now seen corresponding path program 5 times [2020-12-07 16:57:02,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:02,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945818796] [2020-12-07 16:57:02,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:02,982 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:02,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945818796] [2020-12-07 16:57:02,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1926595200] [2020-12-07 16:57:02,985 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:03,339 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2020-12-07 16:57:03,339 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:03,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-07 16:57:03,348 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:03,688 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:03,688 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2020-12-07 16:57:03,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432009184] [2020-12-07 16:57:03,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-12-07 16:57:03,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:03,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-12-07 16:57:03,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2020-12-07 16:57:03,693 INFO L87 Difference]: Start difference. First operand 76 states and 87 transitions. Second operand 16 states. [2020-12-07 16:57:03,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:03,764 INFO L93 Difference]: Finished difference Result 128 states and 146 transitions. [2020-12-07 16:57:03,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-07 16:57:03,765 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 33 [2020-12-07 16:57:03,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:03,766 INFO L225 Difference]: With dead ends: 128 [2020-12-07 16:57:03,766 INFO L226 Difference]: Without dead ends: 77 [2020-12-07 16:57:03,768 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=141, Unknown=0, NotChecked=0, Total=240 [2020-12-07 16:57:03,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-12-07 16:57:03,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-12-07 16:57:03,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-12-07 16:57:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-12-07 16:57:03,811 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 33 [2020-12-07 16:57:03,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:03,815 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-12-07 16:57:03,816 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-12-07 16:57:03,816 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-12-07 16:57:03,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-07 16:57:03,817 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:03,817 INFO L422 BasicCegarLoop]: trace histogram [7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:04,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:04,032 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:04,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:04,034 INFO L82 PathProgramCache]: Analyzing trace with hash 867872504, now seen corresponding path program 6 times [2020-12-07 16:57:04,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:04,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911131131] [2020-12-07 16:57:04,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:04,329 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:04,330 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [911131131] [2020-12-07 16:57:04,331 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807521844] [2020-12-07 16:57:04,331 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:05,929 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2020-12-07 16:57:05,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:05,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 10 conjunts are in the unsatisfiable core [2020-12-07 16:57:05,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:06,301 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:06,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:06,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2020-12-07 16:57:06,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878480825] [2020-12-07 16:57:06,304 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-12-07 16:57:06,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:06,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-12-07 16:57:06,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2020-12-07 16:57:06,307 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 18 states. [2020-12-07 16:57:06,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:06,400 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2020-12-07 16:57:06,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-12-07 16:57:06,401 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2020-12-07 16:57:06,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:06,405 INFO L225 Difference]: With dead ends: 129 [2020-12-07 16:57:06,405 INFO L226 Difference]: Without dead ends: 78 [2020-12-07 16:57:06,409 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=125, Invalid=181, Unknown=0, NotChecked=0, Total=306 [2020-12-07 16:57:06,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-12-07 16:57:06,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-12-07 16:57:06,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-07 16:57:06,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 89 transitions. [2020-12-07 16:57:06,443 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 89 transitions. Word has length 34 [2020-12-07 16:57:06,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:06,444 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 89 transitions. [2020-12-07 16:57:06,444 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-12-07 16:57:06,444 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 89 transitions. [2020-12-07 16:57:06,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-12-07 16:57:06,452 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:06,452 INFO L422 BasicCegarLoop]: trace histogram [8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:06,666 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-07 16:57:06,668 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:06,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:06,669 INFO L82 PathProgramCache]: Analyzing trace with hash 2091250136, now seen corresponding path program 7 times [2020-12-07 16:57:06,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:06,670 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676835270] [2020-12-07 16:57:06,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:06,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:07,205 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:07,205 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676835270] [2020-12-07 16:57:07,206 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1037330040] [2020-12-07 16:57:07,206 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:07,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:07,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 11 conjunts are in the unsatisfiable core [2020-12-07 16:57:07,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:08,016 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:08,018 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:08,018 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2020-12-07 16:57:08,019 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845840203] [2020-12-07 16:57:08,020 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-07 16:57:08,020 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:08,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-07 16:57:08,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2020-12-07 16:57:08,028 INFO L87 Difference]: Start difference. First operand 78 states and 89 transitions. Second operand 20 states. [2020-12-07 16:57:08,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:08,116 INFO L93 Difference]: Finished difference Result 130 states and 148 transitions. [2020-12-07 16:57:08,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-12-07 16:57:08,117 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 35 [2020-12-07 16:57:08,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:08,122 INFO L225 Difference]: With dead ends: 130 [2020-12-07 16:57:08,123 INFO L226 Difference]: Without dead ends: 79 [2020-12-07 16:57:08,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=154, Invalid=226, Unknown=0, NotChecked=0, Total=380 [2020-12-07 16:57:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-12-07 16:57:08,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2020-12-07 16:57:08,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-12-07 16:57:08,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 90 transitions. [2020-12-07 16:57:08,158 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 90 transitions. Word has length 35 [2020-12-07 16:57:08,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:08,160 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 90 transitions. [2020-12-07 16:57:08,160 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-07 16:57:08,160 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2020-12-07 16:57:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-12-07 16:57:08,162 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:08,163 INFO L422 BasicCegarLoop]: trace histogram [9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:08,377 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:08,379 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:08,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:08,380 INFO L82 PathProgramCache]: Analyzing trace with hash 1361251064, now seen corresponding path program 8 times [2020-12-07 16:57:08,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:08,381 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285336152] [2020-12-07 16:57:08,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:08,809 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:08,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285336152] [2020-12-07 16:57:08,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [10843400] [2020-12-07 16:57:08,811 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:09,145 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-07 16:57:09,146 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:09,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 12 conjunts are in the unsatisfiable core [2020-12-07 16:57:09,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:09,581 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:09,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:09,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2020-12-07 16:57:09,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688666411] [2020-12-07 16:57:09,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-12-07 16:57:09,583 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:09,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-12-07 16:57:09,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=276, Unknown=0, NotChecked=0, Total=462 [2020-12-07 16:57:09,585 INFO L87 Difference]: Start difference. First operand 79 states and 90 transitions. Second operand 22 states. [2020-12-07 16:57:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:09,647 INFO L93 Difference]: Finished difference Result 131 states and 149 transitions. [2020-12-07 16:57:09,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-07 16:57:09,648 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 36 [2020-12-07 16:57:09,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:09,649 INFO L225 Difference]: With dead ends: 131 [2020-12-07 16:57:09,649 INFO L226 Difference]: Without dead ends: 80 [2020-12-07 16:57:09,650 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=186, Invalid=276, Unknown=0, NotChecked=0, Total=462 [2020-12-07 16:57:09,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-07 16:57:09,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-12-07 16:57:09,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-12-07 16:57:09,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 91 transitions. [2020-12-07 16:57:09,656 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 91 transitions. Word has length 36 [2020-12-07 16:57:09,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:09,656 INFO L481 AbstractCegarLoop]: Abstraction has 80 states and 91 transitions. [2020-12-07 16:57:09,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-12-07 16:57:09,656 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 91 transitions. [2020-12-07 16:57:09,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-07 16:57:09,657 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:09,657 INFO L422 BasicCegarLoop]: trace histogram [10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:09,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:09,872 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:09,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:09,873 INFO L82 PathProgramCache]: Analyzing trace with hash 206116312, now seen corresponding path program 9 times [2020-12-07 16:57:09,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:09,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [673556175] [2020-12-07 16:57:09,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:09,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:10,237 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:10,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [673556175] [2020-12-07 16:57:10,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948249142] [2020-12-07 16:57:10,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:15,647 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2020-12-07 16:57:15,647 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:15,657 INFO L263 TraceCheckSpWp]: Trace formula consists of 311 conjuncts, 13 conjunts are in the unsatisfiable core [2020-12-07 16:57:15,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:16,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:16,172 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2020-12-07 16:57:16,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543127093] [2020-12-07 16:57:16,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-12-07 16:57:16,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:16,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-12-07 16:57:16,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=331, Unknown=0, NotChecked=0, Total=552 [2020-12-07 16:57:16,175 INFO L87 Difference]: Start difference. First operand 80 states and 91 transitions. Second operand 24 states. [2020-12-07 16:57:16,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:16,255 INFO L93 Difference]: Finished difference Result 132 states and 150 transitions. [2020-12-07 16:57:16,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-12-07 16:57:16,256 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 37 [2020-12-07 16:57:16,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:16,258 INFO L225 Difference]: With dead ends: 132 [2020-12-07 16:57:16,258 INFO L226 Difference]: Without dead ends: 81 [2020-12-07 16:57:16,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=221, Invalid=331, Unknown=0, NotChecked=0, Total=552 [2020-12-07 16:57:16,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-12-07 16:57:16,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-12-07 16:57:16,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-12-07 16:57:16,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 92 transitions. [2020-12-07 16:57:16,266 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 92 transitions. Word has length 37 [2020-12-07 16:57:16,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:16,266 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 92 transitions. [2020-12-07 16:57:16,266 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-12-07 16:57:16,267 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 92 transitions. [2020-12-07 16:57:16,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-12-07 16:57:16,268 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:16,268 INFO L422 BasicCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:16,469 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-07 16:57:16,470 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:16,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:16,472 INFO L82 PathProgramCache]: Analyzing trace with hash -1243322632, now seen corresponding path program 10 times [2020-12-07 16:57:16,472 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:16,472 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86880144] [2020-12-07 16:57:16,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:16,901 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86880144] [2020-12-07 16:57:16,902 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [9084124] [2020-12-07 16:57:16,902 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:17,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2020-12-07 16:57:17,183 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:17,187 INFO L263 TraceCheckSpWp]: Trace formula consists of 318 conjuncts, 14 conjunts are in the unsatisfiable core [2020-12-07 16:57:17,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:17,797 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:17,798 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:17,798 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14] total 26 [2020-12-07 16:57:17,798 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479279376] [2020-12-07 16:57:17,799 INFO L461 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-12-07 16:57:17,799 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:17,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-12-07 16:57:17,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=391, Unknown=0, NotChecked=0, Total=650 [2020-12-07 16:57:17,802 INFO L87 Difference]: Start difference. First operand 81 states and 92 transitions. Second operand 26 states. [2020-12-07 16:57:17,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:17,915 INFO L93 Difference]: Finished difference Result 133 states and 151 transitions. [2020-12-07 16:57:17,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-07 16:57:17,917 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 38 [2020-12-07 16:57:17,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:17,918 INFO L225 Difference]: With dead ends: 133 [2020-12-07 16:57:17,918 INFO L226 Difference]: Without dead ends: 82 [2020-12-07 16:57:17,919 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=391, Unknown=0, NotChecked=0, Total=650 [2020-12-07 16:57:17,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-12-07 16:57:17,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-12-07 16:57:17,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-12-07 16:57:17,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-12-07 16:57:17,928 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 38 [2020-12-07 16:57:17,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:17,928 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-12-07 16:57:17,928 INFO L482 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-12-07 16:57:17,928 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-12-07 16:57:17,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-07 16:57:17,930 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:17,930 INFO L422 BasicCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:18,134 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-07 16:57:18,135 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:18,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:18,137 INFO L82 PathProgramCache]: Analyzing trace with hash 1068710360, now seen corresponding path program 11 times [2020-12-07 16:57:18,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:18,138 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371366741] [2020-12-07 16:57:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:18,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:18,675 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:18,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371366741] [2020-12-07 16:57:18,678 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [669173999] [2020-12-07 16:57:18,678 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:20,234 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2020-12-07 16:57:20,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:20,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 15 conjunts are in the unsatisfiable core [2020-12-07 16:57:20,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:20,866 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:20,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:20,868 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 28 [2020-12-07 16:57:20,869 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107117905] [2020-12-07 16:57:20,869 INFO L461 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-12-07 16:57:20,870 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:20,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-12-07 16:57:20,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=456, Unknown=0, NotChecked=0, Total=756 [2020-12-07 16:57:20,872 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 28 states. [2020-12-07 16:57:20,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:20,955 INFO L93 Difference]: Finished difference Result 134 states and 152 transitions. [2020-12-07 16:57:20,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-07 16:57:20,956 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 39 [2020-12-07 16:57:20,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:20,957 INFO L225 Difference]: With dead ends: 134 [2020-12-07 16:57:20,958 INFO L226 Difference]: Without dead ends: 83 [2020-12-07 16:57:20,959 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=300, Invalid=456, Unknown=0, NotChecked=0, Total=756 [2020-12-07 16:57:20,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-12-07 16:57:20,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-12-07 16:57:20,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-12-07 16:57:20,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 94 transitions. [2020-12-07 16:57:20,968 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 94 transitions. Word has length 39 [2020-12-07 16:57:20,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:20,968 INFO L481 AbstractCegarLoop]: Abstraction has 83 states and 94 transitions. [2020-12-07 16:57:20,969 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-12-07 16:57:20,969 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 94 transitions. [2020-12-07 16:57:20,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-12-07 16:57:20,970 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:20,970 INFO L422 BasicCegarLoop]: trace histogram [13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:21,185 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-07 16:57:21,186 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:21,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:21,189 INFO L82 PathProgramCache]: Analyzing trace with hash -272710920, now seen corresponding path program 12 times [2020-12-07 16:57:21,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:21,190 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [443888107] [2020-12-07 16:57:21,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:21,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:21,706 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:21,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [443888107] [2020-12-07 16:57:21,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [229072948] [2020-12-07 16:57:21,708 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:34,224 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2020-12-07 16:57:34,225 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:34,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 16 conjunts are in the unsatisfiable core [2020-12-07 16:57:34,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:34,983 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:34,984 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2020-12-07 16:57:34,984 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620587910] [2020-12-07 16:57:34,985 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-12-07 16:57:34,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:34,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-12-07 16:57:34,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=344, Invalid=526, Unknown=0, NotChecked=0, Total=870 [2020-12-07 16:57:34,989 INFO L87 Difference]: Start difference. First operand 83 states and 94 transitions. Second operand 30 states. [2020-12-07 16:57:35,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:35,125 INFO L93 Difference]: Finished difference Result 135 states and 153 transitions. [2020-12-07 16:57:35,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-12-07 16:57:35,126 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 40 [2020-12-07 16:57:35,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:35,128 INFO L225 Difference]: With dead ends: 135 [2020-12-07 16:57:35,128 INFO L226 Difference]: Without dead ends: 84 [2020-12-07 16:57:35,130 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=344, Invalid=526, Unknown=0, NotChecked=0, Total=870 [2020-12-07 16:57:35,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2020-12-07 16:57:35,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2020-12-07 16:57:35,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-12-07 16:57:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 95 transitions. [2020-12-07 16:57:35,138 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 95 transitions. Word has length 40 [2020-12-07 16:57:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:35,139 INFO L481 AbstractCegarLoop]: Abstraction has 84 states and 95 transitions. [2020-12-07 16:57:35,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-12-07 16:57:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 95 transitions. [2020-12-07 16:57:35,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-12-07 16:57:35,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:35,141 INFO L422 BasicCegarLoop]: trace histogram [14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:35,341 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:35,342 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:35,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:35,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1092902360, now seen corresponding path program 13 times [2020-12-07 16:57:35,344 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:35,344 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728606241] [2020-12-07 16:57:35,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:35,828 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:35,828 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728606241] [2020-12-07 16:57:35,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343671821] [2020-12-07 16:57:35,829 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:36,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:36,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 17 conjunts are in the unsatisfiable core [2020-12-07 16:57:36,059 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:36,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:36,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2020-12-07 16:57:36,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [176624590] [2020-12-07 16:57:36,883 INFO L461 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-12-07 16:57:36,883 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:36,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-12-07 16:57:36,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=391, Invalid=601, Unknown=0, NotChecked=0, Total=992 [2020-12-07 16:57:36,885 INFO L87 Difference]: Start difference. First operand 84 states and 95 transitions. Second operand 32 states. [2020-12-07 16:57:36,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:36,980 INFO L93 Difference]: Finished difference Result 136 states and 154 transitions. [2020-12-07 16:57:36,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-12-07 16:57:36,981 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 41 [2020-12-07 16:57:36,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:36,983 INFO L225 Difference]: With dead ends: 136 [2020-12-07 16:57:36,983 INFO L226 Difference]: Without dead ends: 85 [2020-12-07 16:57:36,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=391, Invalid=601, Unknown=0, NotChecked=0, Total=992 [2020-12-07 16:57:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-12-07 16:57:36,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-12-07 16:57:36,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-12-07 16:57:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 96 transitions. [2020-12-07 16:57:36,995 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 96 transitions. Word has length 41 [2020-12-07 16:57:36,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:36,995 INFO L481 AbstractCegarLoop]: Abstraction has 85 states and 96 transitions. [2020-12-07 16:57:36,995 INFO L482 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-12-07 16:57:36,996 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2020-12-07 16:57:36,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-12-07 16:57:36,997 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:36,997 INFO L422 BasicCegarLoop]: trace histogram [15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:37,211 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2020-12-07 16:57:37,214 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:37,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:37,216 INFO L82 PathProgramCache]: Analyzing trace with hash 477241080, now seen corresponding path program 14 times [2020-12-07 16:57:37,216 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:37,217 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171830272] [2020-12-07 16:57:37,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:37,844 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:37,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171830272] [2020-12-07 16:57:37,845 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [592987825] [2020-12-07 16:57:37,846 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:57:38,156 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2020-12-07 16:57:38,157 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:57:38,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2020-12-07 16:57:38,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:57:39,020 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:39,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:57:39,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 34 [2020-12-07 16:57:39,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671954190] [2020-12-07 16:57:39,023 INFO L461 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-12-07 16:57:39,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:57:39,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-12-07 16:57:39,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=441, Invalid=681, Unknown=0, NotChecked=0, Total=1122 [2020-12-07 16:57:39,027 INFO L87 Difference]: Start difference. First operand 85 states and 96 transitions. Second operand 34 states. [2020-12-07 16:57:39,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:57:39,132 INFO L93 Difference]: Finished difference Result 137 states and 155 transitions. [2020-12-07 16:57:39,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-07 16:57:39,134 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 42 [2020-12-07 16:57:39,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:57:39,135 INFO L225 Difference]: With dead ends: 137 [2020-12-07 16:57:39,136 INFO L226 Difference]: Without dead ends: 86 [2020-12-07 16:57:39,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=441, Invalid=681, Unknown=0, NotChecked=0, Total=1122 [2020-12-07 16:57:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-12-07 16:57:39,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-12-07 16:57:39,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-12-07 16:57:39,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 97 transitions. [2020-12-07 16:57:39,146 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 97 transitions. Word has length 42 [2020-12-07 16:57:39,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:57:39,147 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 97 transitions. [2020-12-07 16:57:39,147 INFO L482 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-12-07 16:57:39,147 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 97 transitions. [2020-12-07 16:57:39,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-07 16:57:39,148 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:57:39,148 INFO L422 BasicCegarLoop]: trace histogram [16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-07 16:57:39,365 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2020-12-07 16:57:39,365 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:57:39,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:57:39,367 INFO L82 PathProgramCache]: Analyzing trace with hash -1428389416, now seen corresponding path program 15 times [2020-12-07 16:57:39,369 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:57:39,369 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25801698] [2020-12-07 16:57:39,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:57:39,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:57:41,540 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 91 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:57:41,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25801698] [2020-12-07 16:57:41,542 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493225439] [2020-12-07 16:57:41,543 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:58:09,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2020-12-07 16:58:09,392 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-12-07 16:58:09,422 INFO L263 TraceCheckSpWp]: Trace formula consists of 353 conjuncts, 121 conjunts are in the unsatisfiable core [2020-12-07 16:58:09,426 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:58:09,643 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:09,645 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 27 [2020-12-07 16:58:09,653 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:09,724 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:09,748 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 29 [2020-12-07 16:58:09,749 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:09,795 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:09,814 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 29 [2020-12-07 16:58:09,817 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:09,898 INFO L625 ElimStorePlain]: treesize reduction 8, result has 89.7 percent of original size [2020-12-07 16:58:09,901 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:09,902 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:275, output treesize:80 [2020-12-07 16:58:10,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,251 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 13 [2020-12-07 16:58:10,259 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,276 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,307 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,309 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 35 treesize of output 33 [2020-12-07 16:58:10,318 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-07 16:58:10,325 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-07 16:58:10,333 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,337 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,339 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,340 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:74, output treesize:3 [2020-12-07 16:58:10,427 INFO L382 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 [2020-12-07 16:58:10,429 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,455 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,457 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,459 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:26 [2020-12-07 16:58:10,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,570 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-07 16:58:10,572 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,597 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,599 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,600 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:35 [2020-12-07 16:58:10,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,713 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-07 16:58:10,742 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,780 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,783 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,785 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:44 [2020-12-07 16:58:10,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:10,942 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 45 [2020-12-07 16:58:10,945 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,987 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:10,990 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:10,991 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:54 [2020-12-07 16:58:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,162 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-07 16:58:11,169 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,209 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:11,212 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,212 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:66, output treesize:62 [2020-12-07 16:58:11,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,409 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2020-12-07 16:58:11,415 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,456 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:11,459 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,459 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:75, output treesize:71 [2020-12-07 16:58:11,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,699 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 81 [2020-12-07 16:58:11,705 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,754 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:11,757 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:11,758 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:85, output treesize:81 [2020-12-07 16:58:11,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,050 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 92 [2020-12-07 16:58:12,056 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:12,126 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:12,130 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:12,131 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:93, output treesize:89 [2020-12-07 16:58:12,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,516 INFO L244 Elim1Store]: Index analysis took 154 ms [2020-12-07 16:58:12,521 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 104 [2020-12-07 16:58:12,528 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:12,585 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:12,588 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:12,588 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:95 [2020-12-07 16:58:12,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:12,891 INFO L244 Elim1Store]: Index analysis took 112 ms [2020-12-07 16:58:13,096 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-07 16:58:13,099 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:13,101 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 93 treesize of output 344 [2020-12-07 16:58:13,116 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:13,429 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-12-07 16:58:13,431 INFO L625 ElimStorePlain]: treesize reduction 160, result has 40.5 percent of original size [2020-12-07 16:58:13,437 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:13,438 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:113, output treesize:109 [2020-12-07 16:58:13,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:13,956 INFO L244 Elim1Store]: Index analysis took 176 ms [2020-12-07 16:58:14,689 WARN L197 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-07 16:58:14,691 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:14,692 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 102 treesize of output 488 [2020-12-07 16:58:14,713 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:15,166 WARN L197 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-07 16:58:15,169 INFO L625 ElimStorePlain]: treesize reduction 178, result has 40.9 percent of original size [2020-12-07 16:58:15,176 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:15,177 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:123 [2020-12-07 16:58:15,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:15,671 INFO L244 Elim1Store]: Index analysis took 157 ms [2020-12-07 16:58:16,219 WARN L197 SmtUtils]: Spent 542.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-07 16:58:16,221 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:16,222 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 102 treesize of output 488 [2020-12-07 16:58:16,238 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:16,623 WARN L197 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-07 16:58:16,625 INFO L625 ElimStorePlain]: treesize reduction 178, result has 40.9 percent of original size [2020-12-07 16:58:16,631 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:16,632 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:123 [2020-12-07 16:58:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:16,955 INFO L244 Elim1Store]: Index analysis took 116 ms [2020-12-07 16:58:17,478 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-07 16:58:17,479 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:17,480 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 102 treesize of output 488 [2020-12-07 16:58:17,494 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:17,826 WARN L197 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-07 16:58:17,828 INFO L625 ElimStorePlain]: treesize reduction 178, result has 40.9 percent of original size [2020-12-07 16:58:17,834 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:17,835 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:123 [2020-12-07 16:58:18,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:18,178 INFO L244 Elim1Store]: Index analysis took 129 ms [2020-12-07 16:58:18,656 WARN L197 SmtUtils]: Spent 471.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-07 16:58:18,657 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:18,658 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 102 treesize of output 488 [2020-12-07 16:58:18,674 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:18,929 WARN L197 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-07 16:58:18,931 INFO L625 ElimStorePlain]: treesize reduction 178, result has 40.9 percent of original size [2020-12-07 16:58:18,937 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:18,938 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:123 [2020-12-07 16:58:19,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:19,585 WARN L197 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 142 [2020-12-07 16:58:19,587 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:19,588 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 19 case distinctions, treesize of input 102 treesize of output 488 [2020-12-07 16:58:19,603 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:19,920 WARN L197 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 63 [2020-12-07 16:58:19,922 INFO L625 ElimStorePlain]: treesize reduction 178, result has 40.9 percent of original size [2020-12-07 16:58:19,928 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:19,929 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:127, output treesize:123 [2020-12-07 16:58:20,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:20,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:21,162 WARN L197 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-12-07 16:58:21,163 INFO L348 Elim1Store]: treesize reduction 26, result has 94.2 percent of original size [2020-12-07 16:58:21,164 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 55 case distinctions, treesize of input 162 treesize of output 462 [2020-12-07 16:58:21,185 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:21,462 WARN L197 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 57 [2020-12-07 16:58:21,464 INFO L625 ElimStorePlain]: treesize reduction 160, result has 41.6 percent of original size [2020-12-07 16:58:21,472 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:21,472 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:178, output treesize:114 [2020-12-07 16:58:22,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:22,317 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:22,319 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 54 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 85 treesize of output 45 [2020-12-07 16:58:22,329 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:22,341 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:22,345 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:22,346 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:93, output treesize:3 [2020-12-07 16:58:22,414 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 6 proven. 115 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-07 16:58:22,415 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-07 16:58:22,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 41 [2020-12-07 16:58:22,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1258559873] [2020-12-07 16:58:22,417 INFO L461 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-12-07 16:58:22,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 16:58:22,418 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-12-07 16:58:22,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=1316, Unknown=1, NotChecked=0, Total=1640 [2020-12-07 16:58:22,420 INFO L87 Difference]: Start difference. First operand 86 states and 97 transitions. Second operand 41 states. [2020-12-07 16:58:24,057 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:24,334 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:24,599 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:24,878 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:25,170 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:25,432 WARN L197 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 65 [2020-12-07 16:58:25,843 WARN L197 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2020-12-07 16:58:26,379 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 110 [2020-12-07 16:58:26,928 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 112 [2020-12-07 16:58:27,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-07 16:58:27,220 INFO L93 Difference]: Finished difference Result 172 states and 193 transitions. [2020-12-07 16:58:27,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-07 16:58:27,223 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 43 [2020-12-07 16:58:27,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-07 16:58:27,224 INFO L225 Difference]: With dead ends: 172 [2020-12-07 16:58:27,225 INFO L226 Difference]: Without dead ends: 130 [2020-12-07 16:58:27,228 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 22 SyntacticMatches, 5 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1061 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=703, Invalid=2956, Unknown=1, NotChecked=0, Total=3660 [2020-12-07 16:58:27,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-12-07 16:58:27,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 88. [2020-12-07 16:58:27,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-12-07 16:58:27,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 100 transitions. [2020-12-07 16:58:27,243 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 100 transitions. Word has length 43 [2020-12-07 16:58:27,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-07 16:58:27,244 INFO L481 AbstractCegarLoop]: Abstraction has 88 states and 100 transitions. [2020-12-07 16:58:27,244 INFO L482 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-12-07 16:58:27,244 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 100 transitions. [2020-12-07 16:58:27,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-07 16:58:27,245 INFO L414 BasicCegarLoop]: Found error trace [2020-12-07 16:58:27,245 INFO L422 BasicCegarLoop]: trace histogram [16, 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] [2020-12-07 16:58:27,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:58:27,448 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-07 16:58:27,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-07 16:58:27,449 INFO L82 PathProgramCache]: Analyzing trace with hash -1319956113, now seen corresponding path program 1 times [2020-12-07 16:58:27,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-07 16:58:27,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1457019663] [2020-12-07 16:58:27,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-07 16:58:28,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:58:29,593 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 35 [2020-12-07 16:58:29,635 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 78 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-07 16:58:29,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1457019663] [2020-12-07 16:58:29,636 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [153774036] [2020-12-07 16:58:29,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 16:58:30,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-07 16:58:30,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 60 conjunts are in the unsatisfiable core [2020-12-07 16:58:30,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-07 16:58:30,190 INFO L382 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 14 treesize of output 10 [2020-12-07 16:58:30,191 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,206 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:30,208 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,209 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:23 [2020-12-07 16:58:30,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 20 [2020-12-07 16:58:30,300 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,318 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:30,320 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,320 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:29 [2020-12-07 16:58:30,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,420 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2020-12-07 16:58:30,426 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,453 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:30,456 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:30,457 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:47, output treesize:43 [2020-12-07 16:58:30,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,603 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 44 [2020-12-07 16:58:30,607 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,642 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:30,646 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:30,647 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:61, output treesize:57 [2020-12-07 16:58:30,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:30,839 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 56 [2020-12-07 16:58:30,843 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:30,887 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:30,892 INFO L547 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:30,893 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:75, output treesize:71 [2020-12-07 16:58:31,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:31,870 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 68 [2020-12-07 16:58:31,877 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:31,929 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:31,937 INFO L547 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:31,938 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:89, output treesize:85 [2020-12-07 16:58:32,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:32,230 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 80 [2020-12-07 16:58:32,233 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:32,297 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:32,308 INFO L547 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:32,308 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:103, output treesize:99 [2020-12-07 16:58:34,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:34,782 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 92 [2020-12-07 16:58:34,788 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:34,874 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:34,886 INFO L547 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-2 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:34,888 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:117, output treesize:113 [2020-12-07 16:58:41,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:41,477 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 104 [2020-12-07 16:58:41,480 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:41,561 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:41,581 INFO L547 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-2 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:41,582 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:131, output treesize:127 [2020-12-07 16:58:47,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:47,079 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 116 [2020-12-07 16:58:47,081 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:47,169 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:47,188 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-2 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:47,188 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:145, output treesize:141 [2020-12-07 16:58:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:58:54,206 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 102 treesize of output 128 [2020-12-07 16:58:54,209 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:58:54,305 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:58:54,319 INFO L547 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-2 vars, End of recursive call: 9 dim-0 vars, and 1 xjuncts. [2020-12-07 16:58:54,320 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:159, output treesize:155 [2020-12-07 16:59:12,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-07 16:59:12,700 INFO L244 Elim1Store]: Index analysis took 120 ms [2020-12-07 16:59:12,704 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 140 [2020-12-07 16:59:12,721 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-07 16:59:12,821 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-07 16:59:12,832 INFO L547 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 10 dim-0 vars, and 1 xjuncts. [2020-12-07 16:59:12,833 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 11 variables, input treesize:173, output treesize:169 [2020-12-07 17:00:49,929 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-07 17:00:49,931 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-07 17:00:49,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-07 17:00:49,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-12-07 17:00:49,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438642545] [2020-12-07 17:00:49,932 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-12-07 17:00:49,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-07 17:00:49,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-12-07 17:00:49,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=1077, Unknown=14, NotChecked=0, Total=1332 [2020-12-07 17:00:49,933 INFO L87 Difference]: Start difference. First operand 88 states and 100 transitions. Second operand 25 states. [2020-12-07 17:00:49,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-07 17:00:50,140 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-07 17:00:50,142 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@3fcacea2 at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.assertCodeBlock(IncrementalHoareTripleChecker.java:356) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.prepareAssertionStackAndAddTransition(IncrementalHoareTripleChecker.java:204) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.checkInternal(IncrementalHoareTripleChecker.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.checkInternal(ProtectiveHoareTripleChecker.java:61) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.checkInternal(EfficientHoareTripleChecker.java:63) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.checkInternal(CachingHoareTripleChecker.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton$InternalSuccessorComputationHelper.computeSuccWithSolver(AbstractInterpolantAutomaton.java:357) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.addOtherSuccessors(DeterministicInterpolantAutomaton.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:233) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1064) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:966) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:187) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:743) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2020-12-07 17:00:50,149 INFO L168 Benchmark]: Toolchain (without parser) took 245912.48 ms. Allocated memory was 52.4 MB in the beginning and 234.9 MB in the end (delta: 182.5 MB). Free memory was 32.7 MB in the beginning and 137.8 MB in the end (delta: -105.1 MB). Peak memory consumption was 79.6 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,149 INFO L168 Benchmark]: CDTParser took 1.24 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 17:00:50,149 INFO L168 Benchmark]: CACSL2BoogieTranslator took 6580.62 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 32.5 MB in the beginning and 30.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 52.8 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,150 INFO L168 Benchmark]: Boogie Procedure Inliner took 291.31 ms. Allocated memory is still 81.8 MB. Free memory was 29.6 MB in the beginning and 24.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,150 INFO L168 Benchmark]: Boogie Preprocessor took 193.16 ms. Allocated memory is still 81.8 MB. Free memory was 24.0 MB in the beginning and 21.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,151 INFO L168 Benchmark]: RCFGBuilder took 1950.81 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 21.2 MB in the beginning and 52.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,151 INFO L168 Benchmark]: TraceAbstraction took 236880.18 ms. Allocated memory was 98.6 MB in the beginning and 234.9 MB in the end (delta: 136.3 MB). Free memory was 52.5 MB in the beginning and 137.8 MB in the end (delta: -85.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. [2020-12-07 17:00:50,154 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.24 ms. Allocated memory is still 41.9 MB. Free memory was 20.2 MB in the beginning and 20.2 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 6580.62 ms. Allocated memory was 52.4 MB in the beginning and 81.8 MB in the end (delta: 29.4 MB). Free memory was 32.5 MB in the beginning and 30.3 MB in the end (delta: 2.2 MB). Peak memory consumption was 52.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 291.31 ms. Allocated memory is still 81.8 MB. Free memory was 29.6 MB in the beginning and 24.0 MB in the end (delta: 5.6 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 193.16 ms. Allocated memory is still 81.8 MB. Free memory was 24.0 MB in the beginning and 21.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1950.81 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 21.2 MB in the beginning and 52.5 MB in the end (delta: -31.2 MB). Peak memory consumption was 11.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 236880.18 ms. Allocated memory was 98.6 MB in the beginning and 234.9 MB in the end (delta: 136.3 MB). Free memory was 52.5 MB in the beginning and 137.8 MB in the end (delta: -85.3 MB). Peak memory consumption was 50.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@3fcacea2 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: ManagedScript already locked by de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker@3fcacea2: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.lock(ManagedScript.java:81) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-678b828 [2020-12-07 17:00:53,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-07 17:00:53,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-07 17:00:53,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-07 17:00:53,086 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-07 17:00:53,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-07 17:00:53,091 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-07 17:00:53,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-07 17:00:53,097 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-07 17:00:53,099 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-07 17:00:53,101 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-07 17:00:53,103 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-07 17:00:53,106 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-07 17:00:53,111 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-07 17:00:53,113 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-07 17:00:53,115 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-07 17:00:53,118 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-07 17:00:53,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-07 17:00:53,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-07 17:00:53,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-07 17:00:53,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-07 17:00:53,151 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-07 17:00:53,154 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-07 17:00:53,158 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-07 17:00:53,170 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-07 17:00:53,171 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-07 17:00:53,172 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-07 17:00:53,173 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-07 17:00:53,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-07 17:00:53,180 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-07 17:00:53,182 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-07 17:00:53,183 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-07 17:00:53,185 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-07 17:00:53,189 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-07 17:00:53,193 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-07 17:00:53,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-07 17:00:53,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-07 17:00:53,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-07 17:00:53,197 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-07 17:00:53,198 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-07 17:00:53,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-07 17:00:53,206 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-07 17:00:53,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-07 17:00:53,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-07 17:00:53,275 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-07 17:00:53,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-07 17:00:53,278 INFO L138 SettingsManager]: * Use SBE=true [2020-12-07 17:00:53,279 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-07 17:00:53,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-07 17:00:53,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-07 17:00:53,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-07 17:00:53,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-07 17:00:53,281 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-07 17:00:53,282 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-07 17:00:53,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-07 17:00:53,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-07 17:00:53,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-07 17:00:53,283 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-07 17:00:53,283 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-07 17:00:53,284 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-07 17:00:53,284 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-07 17:00:53,284 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-07 17:00:53,284 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-07 17:00:53,285 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-07 17:00:53,285 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-07 17:00:53,285 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-07 17:00:53,286 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-07 17:00:53,286 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-07 17:00:53,286 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-07 17:00:53,286 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5718de18c98e2503c8da87a38d45b5bd9f3eeb9 [2020-12-07 17:00:53,802 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-07 17:00:53,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-07 17:00:53,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-07 17:00:53,842 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-07 17:00:53,846 INFO L275 PluginConnector]: CDTParser initialized [2020-12-07 17:00:53,848 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i [2020-12-07 17:00:53,951 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18221432f/4f1d9fbb6eac477b896f0e44575a00a8/FLAG6578afc3d [2020-12-07 17:00:55,161 INFO L306 CDTParser]: Found 1 translation units. [2020-12-07 17:00:55,162 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i [2020-12-07 17:00:55,200 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18221432f/4f1d9fbb6eac477b896f0e44575a00a8/FLAG6578afc3d [2020-12-07 17:00:55,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/18221432f/4f1d9fbb6eac477b896f0e44575a00a8 [2020-12-07 17:00:55,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-07 17:00:55,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-07 17:00:55,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-07 17:00:55,517 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-07 17:00:55,524 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-07 17:00:55,527 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:55" (1/1) ... [2020-12-07 17:00:55,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c76696 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:00:55, skipping insertion in model container [2020-12-07 17:00:55,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:00:55" (1/1) ... [2020-12-07 17:00:55,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-07 17:00:55,693 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-07 17:00:56,094 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4496,4509] [2020-12-07 17:00:56,105 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4556,4569] [2020-12-07 17:00:56,139 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:00:56,147 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:00:57,730 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,731 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,733 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,734 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,735 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,770 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,771 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,782 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,785 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,790 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,792 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,795 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:57,796 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,314 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:00:58,317 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:00:58,318 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:00:58,320 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:00:58,321 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:00:58,322 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:00:58,323 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:00:58,323 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:00:58,324 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:00:58,330 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:00:58,558 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:00:58,630 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:00:58,665 INFO L203 MainTranslator]: Completed pre-run [2020-12-07 17:00:58,696 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4496,4509] [2020-12-07 17:00:58,703 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_linked_list_remove_harness.i[4556,4569] [2020-12-07 17:00:58,707 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-07 17:00:58,708 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-07 17:00:58,779 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,780 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,781 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,781 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,783 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,797 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,798 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,800 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,801 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,802 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,803 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,804 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,804 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-07 17:00:58,892 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-07 17:00:58,893 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-07 17:00:58,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-07 17:00:58,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-07 17:00:58,895 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-07 17:00:58,896 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-07 17:00:58,897 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-07 17:00:58,897 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-07 17:00:58,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-07 17:00:58,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-07 17:00:58,920 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-07 17:00:58,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-07 17:01:00,018 INFO L208 MainTranslator]: Completed translation [2020-12-07 17:01:00,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:01:00 WrapperNode [2020-12-07 17:01:00,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-07 17:01:00,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-07 17:01:00,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-07 17:01:00,021 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-07 17:01:00,030 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:01:00" (1/1) ... [2020-12-07 17:01:00,121 ERROR L1131 TypeChecker]: C: malloc(size) [6935]: Wrong parameter type at index 0: CallStatement[null,false,[VariableLHS[#t~malloc580,]],#Ultimate.allocOnHeap,[IdentifierExpression[~size,]]] [2020-12-07 17:01:00,138 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:01:00" (1/1) ... [2020-12-07 17:01:00,143 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-07 17:01:00,144 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-07 17:01:00,152 INFO L168 Benchmark]: Toolchain (without parser) took 4634.16 ms. Allocated memory was 44.0 MB in the beginning and 127.9 MB in the end (delta: 83.9 MB). Free memory was 22.2 MB in the beginning and 73.9 MB in the end (delta: -51.8 MB). Peak memory consumption was 35.0 MB. Max. memory is 16.1 GB. [2020-12-07 17:01:00,156 INFO L168 Benchmark]: CDTParser took 1.29 ms. Allocated memory is still 44.0 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-07 17:01:00,157 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4503.02 ms. Allocated memory was 44.0 MB in the beginning and 127.9 MB in the end (delta: 83.9 MB). Free memory was 22.0 MB in the beginning and 77.1 MB in the end (delta: -55.0 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. [2020-12-07 17:01:00,161 INFO L168 Benchmark]: Boogie Procedure Inliner took 123.56 ms. Allocated memory is still 127.9 MB. Free memory was 77.1 MB in the beginning and 73.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-07 17:01:00,171 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.29 ms. Allocated memory is still 44.0 MB. Free memory was 29.7 MB in the beginning and 29.7 MB in the end (delta: 70.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4503.02 ms. Allocated memory was 44.0 MB in the beginning and 127.9 MB in the end (delta: 83.9 MB). Free memory was 22.0 MB in the beginning and 77.1 MB in the end (delta: -55.0 MB). Peak memory consumption was 66.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 123.56 ms. Allocated memory is still 127.9 MB. Free memory was 77.1 MB in the beginning and 73.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - TypeErrorResult [Line: 6935]: Type Error Wrong parameter type at index 0: CallStatement[null,false,[VariableLHS[#t~malloc580,]],#Ultimate.allocOnHeap,[IdentifierExpression[~size,]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...