./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_push_back_harness.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 87fd6ee1 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_array_list_push_back_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 b43b9bf8ca712ee4e9cb0a1ed016d86580839bba ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_array_list_push_back_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 b43b9bf8ca712ee4e9cb0a1ed016d86580839bba ...................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: TYPE ERROR --- Real Ultimate output --- This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:13:42,241 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:13:42,244 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:13:42,282 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:13:42,283 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:13:42,284 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:13:42,286 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:13:42,289 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:13:42,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:13:42,294 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:13:42,295 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:13:42,297 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:13:42,298 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:13:42,300 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:13:42,302 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:13:42,304 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:13:42,305 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:13:42,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:13:42,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:13:42,312 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:13:42,315 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:13:42,317 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:13:42,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:13:42,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:13:42,324 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:13:42,325 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:13:42,325 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:13:42,327 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:13:42,327 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:13:42,329 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:13:42,329 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:13:42,331 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:13:42,332 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:13:42,334 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:13:42,335 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:13:42,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:13:42,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:13:42,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:13:42,346 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:13:42,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:13:42,349 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:13:42,350 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:13:42,380 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:13:42,381 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:13:42,383 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:13:42,383 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:13:42,383 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:13:42,384 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:13:42,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:13:42,385 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:13:42,385 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:13:42,385 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:13:42,385 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:13:42,386 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:13:42,386 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:13:42,386 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:13:42,387 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:13:42,387 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:13:42,387 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:13:42,388 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:13:42,388 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:13:42,388 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:13:42,388 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:13:42,389 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:13:42,389 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:13:42,389 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:13:42,390 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:13:42,390 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b43b9bf8ca712ee4e9cb0a1ed016d86580839bba [2020-12-04 18:13:42,809 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:13:42,845 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:13:42,849 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:13:42,851 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:13:42,852 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:13:42,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_push_back_harness.i [2020-12-04 18:13:42,943 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5128654f/a14716dd326c4fa4a4045cd53ac73819/FLAG3b48ecbde [2020-12-04 18:13:44,131 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:13:44,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_push_back_harness.i [2020-12-04 18:13:44,186 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5128654f/a14716dd326c4fa4a4045cd53ac73819/FLAG3b48ecbde [2020-12-04 18:13:44,576 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5128654f/a14716dd326c4fa4a4045cd53ac73819 [2020-12-04 18:13:44,582 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:13:44,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:13:44,588 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:13:44,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:13:44,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:13:44,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:13:44" (1/1) ... [2020-12-04 18:13:44,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e13ddae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:44, skipping insertion in model container [2020-12-04 18:13:44,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:13:44" (1/1) ... [2020-12-04 18:13:44,616 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:13:44,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:13:45,059 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_array_list_push_back_harness.i[4498,4511] [2020-12-04 18:13:45,069 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_array_list_push_back_harness.i[4558,4571] [2020-12-04 18:13:45,097 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:13:45,105 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:13:46,030 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:13:46,152 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,153 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,154 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,156 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,157 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,182 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,186 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,191 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,192 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,195 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,197 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,199 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,200 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,752 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:13:46,754 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:13:46,755 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:13:46,756 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:13:46,757 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:13:46,758 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:13:46,759 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:13:46,760 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:13:46,761 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:13:46,762 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:13:46,948 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:46,955 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:13:47,083 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:13:47,101 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_array_list_push_back_harness.i[4498,4511] [2020-12-04 18:13:47,102 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_array_list_push_back_harness.i[4558,4571] [2020-12-04 18:13:47,104 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:13:47,106 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:13:47,163 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:13:47,184 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,184 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,185 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,186 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,187 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,198 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,199 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,216 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,218 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,220 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,222 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,223 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,224 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,282 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:13:47,285 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:13:47,286 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:13:47,290 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:13:47,293 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:13:47,296 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:13:47,297 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:13:47,298 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:13:47,299 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:13:47,303 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:13:47,370 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,379 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:13:47,456 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:13:48,808 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:13:48,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48 WrapperNode [2020-12-04 18:13:48,809 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:13:48,811 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:13:48,811 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:13:48,811 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:13:48,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:48,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:13:49,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:13:49,176 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:13:49,176 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:13:49,190 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,226 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,228 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,373 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,397 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,418 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (1/1) ... [2020-12-04 18:13:49,450 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:13:49,451 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:13:49,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:13:49,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:13:49,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (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 [2020-12-04 18:13:49,592 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:13:49,593 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:13:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:13:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:13:49,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:13:49,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:13:49,595 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_uaddl_overflow [2020-12-04 18:13:49,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:13:49,597 INFO L130 BoogieDeclarations]: Found specification of procedure __builtin_umull_overflow [2020-12-04 18:13:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:13:49,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:13:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:13:49,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:14:02,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:14:02,258 INFO L299 CfgBuilder]: Removed 512 assume(true) statements. [2020-12-04 18:14:02,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:14:02 BoogieIcfgContainer [2020-12-04 18:14:02,263 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:14:02,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:14:02,265 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:14:02,269 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:14:02,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:13:44" (1/3) ... [2020-12-04 18:14:02,270 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5225657f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:14:02, skipping insertion in model container [2020-12-04 18:14:02,270 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:13:48" (2/3) ... [2020-12-04 18:14:02,271 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5225657f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:14:02, skipping insertion in model container [2020-12-04 18:14:02,271 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:14:02" (3/3) ... [2020-12-04 18:14:02,273 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_array_list_push_back_harness.i [2020-12-04 18:14:02,294 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:14:02,300 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 23 error locations. [2020-12-04 18:14:02,314 INFO L253 AbstractCegarLoop]: Starting to check reachability of 23 error locations. [2020-12-04 18:14:02,351 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:14:02,351 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:14:02,351 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:14:02,352 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:14:02,352 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:14:02,352 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:14:02,352 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:14:02,353 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:14:02,386 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states. [2020-12-04 18:14:02,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-04 18:14:02,397 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:02,399 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:02,400 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:02,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:02,407 INFO L82 PathProgramCache]: Analyzing trace with hash -1173181215, now seen corresponding path program 1 times [2020-12-04 18:14:02,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:02,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1003822269] [2020-12-04 18:14:02,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:03,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:03,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1003822269] [2020-12-04 18:14:03,405 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:03,405 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:14:03,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630747817] [2020-12-04 18:14:03,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:14:03,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:03,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:14:03,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:14:03,439 INFO L87 Difference]: Start difference. First operand 601 states. Second operand 2 states. [2020-12-04 18:14:03,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:03,564 INFO L93 Difference]: Finished difference Result 1198 states and 1615 transitions. [2020-12-04 18:14:03,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:14:03,566 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 53 [2020-12-04 18:14:03,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:03,603 INFO L225 Difference]: With dead ends: 1198 [2020-12-04 18:14:03,606 INFO L226 Difference]: Without dead ends: 596 [2020-12-04 18:14:03,621 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 [2020-12-04 18:14:03,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2020-12-04 18:14:03,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 596. [2020-12-04 18:14:03,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 596 states. [2020-12-04 18:14:03,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 596 states and 750 transitions. [2020-12-04 18:14:03,741 INFO L78 Accepts]: Start accepts. Automaton has 596 states and 750 transitions. Word has length 53 [2020-12-04 18:14:03,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:03,742 INFO L481 AbstractCegarLoop]: Abstraction has 596 states and 750 transitions. [2020-12-04 18:14:03,742 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:14:03,742 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 750 transitions. [2020-12-04 18:14:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-04 18:14:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:03,745 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:03,746 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:14:03,746 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:03,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1286691189, now seen corresponding path program 1 times [2020-12-04 18:14:03,748 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:03,748 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972448798] [2020-12-04 18:14:03,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:03,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:04,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:04,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972448798] [2020-12-04 18:14:04,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:04,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 18:14:04,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306031469] [2020-12-04 18:14:04,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 18:14:04,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:04,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 18:14:04,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 18:14:04,087 INFO L87 Difference]: Start difference. First operand 596 states and 750 transitions. Second operand 3 states. [2020-12-04 18:14:04,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:04,143 INFO L93 Difference]: Finished difference Result 1179 states and 1485 transitions. [2020-12-04 18:14:04,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 18:14:04,144 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-12-04 18:14:04,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:04,149 INFO L225 Difference]: With dead ends: 1179 [2020-12-04 18:14:04,150 INFO L226 Difference]: Without dead ends: 597 [2020-12-04 18:14:04,152 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 [2020-12-04 18:14:04,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-12-04 18:14:04,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2020-12-04 18:14:04,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-12-04 18:14:04,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 751 transitions. [2020-12-04 18:14:04,178 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 751 transitions. Word has length 53 [2020-12-04 18:14:04,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:04,179 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 751 transitions. [2020-12-04 18:14:04,179 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 18:14:04,179 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 751 transitions. [2020-12-04 18:14:04,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-12-04 18:14:04,182 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:04,182 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:04,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:14:04,183 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:04,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:04,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1069114061, now seen corresponding path program 1 times [2020-12-04 18:14:04,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:04,185 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388436636] [2020-12-04 18:14:04,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:04,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:04,565 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388436636] [2020-12-04 18:14:04,565 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:04,566 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:14:04,566 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294361067] [2020-12-04 18:14:04,566 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:14:04,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:04,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:14:04,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:14:04,568 INFO L87 Difference]: Start difference. First operand 597 states and 751 transitions. Second operand 4 states. [2020-12-04 18:14:05,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:05,364 INFO L93 Difference]: Finished difference Result 1162 states and 1462 transitions. [2020-12-04 18:14:05,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:14:05,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 53 [2020-12-04 18:14:05,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:05,370 INFO L225 Difference]: With dead ends: 1162 [2020-12-04 18:14:05,370 INFO L226 Difference]: Without dead ends: 597 [2020-12-04 18:14:05,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:14:05,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 597 states. [2020-12-04 18:14:05,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 597 to 597. [2020-12-04 18:14:05,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-12-04 18:14:05,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 747 transitions. [2020-12-04 18:14:05,395 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 747 transitions. Word has length 53 [2020-12-04 18:14:05,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:05,395 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 747 transitions. [2020-12-04 18:14:05,396 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:14:05,396 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 747 transitions. [2020-12-04 18:14:05,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-04 18:14:05,399 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:05,400 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:05,400 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:14:05,400 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:05,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:05,401 INFO L82 PathProgramCache]: Analyzing trace with hash -1075379847, now seen corresponding path program 1 times [2020-12-04 18:14:05,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:05,402 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007584265] [2020-12-04 18:14:05,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:05,551 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:05,552 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1808603181] [2020-12-04 18:14:05,552 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 [2020-12-04 18:14:07,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:07,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 2700 conjuncts, 9 conjunts are in the unsatisfiable core [2020-12-04 18:14:07,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:07,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:07,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007584265] [2020-12-04 18:14:07,543 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:07,543 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808603181] [2020-12-04 18:14:07,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:07,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:14:07,544 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283660698] [2020-12-04 18:14:07,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:14:07,545 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:07,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:14:07,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:14:07,546 INFO L87 Difference]: Start difference. First operand 597 states and 747 transitions. Second operand 7 states. [2020-12-04 18:14:08,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:08,739 INFO L93 Difference]: Finished difference Result 1182 states and 1477 transitions. [2020-12-04 18:14:08,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:14:08,740 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 77 [2020-12-04 18:14:08,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:08,746 INFO L225 Difference]: With dead ends: 1182 [2020-12-04 18:14:08,746 INFO L226 Difference]: Without dead ends: 693 [2020-12-04 18:14:08,748 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:14:08,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-12-04 18:14:08,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 597. [2020-12-04 18:14:08,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 597 states. [2020-12-04 18:14:08,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 597 states and 742 transitions. [2020-12-04 18:14:08,780 INFO L78 Accepts]: Start accepts. Automaton has 597 states and 742 transitions. Word has length 77 [2020-12-04 18:14:08,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:08,780 INFO L481 AbstractCegarLoop]: Abstraction has 597 states and 742 transitions. [2020-12-04 18:14:08,781 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:14:08,781 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 742 transitions. [2020-12-04 18:14:08,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-04 18:14:08,783 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:08,783 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:08,996 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:08,997 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:08,997 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:08,997 INFO L82 PathProgramCache]: Analyzing trace with hash -581583421, now seen corresponding path program 1 times [2020-12-04 18:14:08,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:08,998 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220066416] [2020-12-04 18:14:08,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:09,222 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:09,223 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [942904740] [2020-12-04 18:14:09,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:10,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 2885 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-04 18:14:10,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:10,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:10,829 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1220066416] [2020-12-04 18:14:10,829 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:10,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [942904740] [2020-12-04 18:14:10,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:10,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:14:10,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376094273] [2020-12-04 18:14:10,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:14:10,832 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:10,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:14:10,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:14:10,833 INFO L87 Difference]: Start difference. First operand 597 states and 742 transitions. Second operand 4 states. [2020-12-04 18:14:11,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:11,939 INFO L93 Difference]: Finished difference Result 1283 states and 1614 transitions. [2020-12-04 18:14:11,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:14:11,941 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2020-12-04 18:14:11,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:11,948 INFO L225 Difference]: With dead ends: 1283 [2020-12-04 18:14:11,948 INFO L226 Difference]: Without dead ends: 717 [2020-12-04 18:14:11,952 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:14:11,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2020-12-04 18:14:11,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 645. [2020-12-04 18:14:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-04 18:14:11,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 790 transitions. [2020-12-04 18:14:11,983 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 790 transitions. Word has length 93 [2020-12-04 18:14:11,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:11,986 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 790 transitions. [2020-12-04 18:14:11,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:14:11,987 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 790 transitions. [2020-12-04 18:14:11,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-04 18:14:11,994 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:11,996 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:12,210 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:12,211 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:12,212 INFO L82 PathProgramCache]: Analyzing trace with hash 1107360321, now seen corresponding path program 1 times [2020-12-04 18:14:12,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:12,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [583747256] [2020-12-04 18:14:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:12,358 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:12,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2103456027] [2020-12-04 18:14:12,364 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 [2020-12-04 18:14:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:13,718 INFO L263 TraceCheckSpWp]: Trace formula consists of 2890 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-04 18:14:13,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:13,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:13,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [583747256] [2020-12-04 18:14:13,847 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:13,847 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2103456027] [2020-12-04 18:14:13,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:13,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:14:13,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480783618] [2020-12-04 18:14:13,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:14:13,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:13,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:14:13,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:14:13,850 INFO L87 Difference]: Start difference. First operand 645 states and 790 transitions. Second operand 5 states. [2020-12-04 18:14:14,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:14,655 INFO L93 Difference]: Finished difference Result 1242 states and 1518 transitions. [2020-12-04 18:14:14,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:14:14,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-12-04 18:14:14,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:14,661 INFO L225 Difference]: With dead ends: 1242 [2020-12-04 18:14:14,661 INFO L226 Difference]: Without dead ends: 669 [2020-12-04 18:14:14,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:14:14,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-12-04 18:14:14,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 645. [2020-12-04 18:14:14,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-04 18:14:14,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 789 transitions. [2020-12-04 18:14:14,693 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 789 transitions. Word has length 93 [2020-12-04 18:14:14,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:14,694 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 789 transitions. [2020-12-04 18:14:14,694 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:14:14,694 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 789 transitions. [2020-12-04 18:14:14,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-04 18:14:14,695 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:14,696 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:14,910 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:14,911 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:14,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:14,912 INFO L82 PathProgramCache]: Analyzing trace with hash -831801725, now seen corresponding path program 1 times [2020-12-04 18:14:14,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:14,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [537234370] [2020-12-04 18:14:14,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:15,027 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:15,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1342926471] [2020-12-04 18:14:15,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:16,371 INFO L263 TraceCheckSpWp]: Trace formula consists of 2893 conjuncts, 24 conjunts are in the unsatisfiable core [2020-12-04 18:14:16,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:16,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:16,488 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [537234370] [2020-12-04 18:14:16,488 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:16,489 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1342926471] [2020-12-04 18:14:16,489 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:16,489 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:14:16,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [662158572] [2020-12-04 18:14:16,490 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:14:16,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:16,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:14:16,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:14:16,491 INFO L87 Difference]: Start difference. First operand 645 states and 789 transitions. Second operand 5 states. [2020-12-04 18:14:17,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:17,262 INFO L93 Difference]: Finished difference Result 1220 states and 1490 transitions. [2020-12-04 18:14:17,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:14:17,263 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 93 [2020-12-04 18:14:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:17,268 INFO L225 Difference]: With dead ends: 1220 [2020-12-04 18:14:17,268 INFO L226 Difference]: Without dead ends: 669 [2020-12-04 18:14:17,270 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:14:17,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2020-12-04 18:14:17,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 645. [2020-12-04 18:14:17,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-04 18:14:17,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 788 transitions. [2020-12-04 18:14:17,300 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 788 transitions. Word has length 93 [2020-12-04 18:14:17,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:17,301 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 788 transitions. [2020-12-04 18:14:17,301 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:14:17,301 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 788 transitions. [2020-12-04 18:14:17,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-12-04 18:14:17,303 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:17,303 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:17,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:17,518 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:17,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:17,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1106561339, now seen corresponding path program 1 times [2020-12-04 18:14:17,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:17,521 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1700800416] [2020-12-04 18:14:17,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:17,654 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:17,654 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [426043773] [2020-12-04 18:14:17,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:19,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 2896 conjuncts, 22 conjunts are in the unsatisfiable core [2020-12-04 18:14:19,040 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:19,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:19,221 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1700800416] [2020-12-04 18:14:19,221 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:19,222 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [426043773] [2020-12-04 18:14:19,222 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:19,222 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:14:19,222 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501612107] [2020-12-04 18:14:19,223 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:14:19,223 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:19,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:14:19,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:14:19,224 INFO L87 Difference]: Start difference. First operand 645 states and 788 transitions. Second operand 7 states. [2020-12-04 18:14:19,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:19,471 INFO L93 Difference]: Finished difference Result 1535 states and 1875 transitions. [2020-12-04 18:14:19,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-04 18:14:19,472 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2020-12-04 18:14:19,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:19,477 INFO L225 Difference]: With dead ends: 1535 [2020-12-04 18:14:19,478 INFO L226 Difference]: Without dead ends: 936 [2020-12-04 18:14:19,479 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:14:19,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-12-04 18:14:19,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 645. [2020-12-04 18:14:19,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 645 states. [2020-12-04 18:14:19,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 645 states to 645 states and 787 transitions. [2020-12-04 18:14:19,510 INFO L78 Accepts]: Start accepts. Automaton has 645 states and 787 transitions. Word has length 93 [2020-12-04 18:14:19,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:19,510 INFO L481 AbstractCegarLoop]: Abstraction has 645 states and 787 transitions. [2020-12-04 18:14:19,510 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:14:19,511 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 787 transitions. [2020-12-04 18:14:19,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-12-04 18:14:19,512 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:19,512 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:19,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:19,726 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:19,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:19,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1953489162, now seen corresponding path program 1 times [2020-12-04 18:14:19,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:19,728 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001584984] [2020-12-04 18:14:19,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:19,880 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:19,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [368715073] [2020-12-04 18:14:19,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:21,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 2922 conjuncts, 75 conjunts are in the unsatisfiable core [2020-12-04 18:14:21,503 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:21,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:14:21,819 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:14:21,821 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:14:21,823 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:14:21,896 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 24 treesize of output 12 [2020-12-04 18:14:21,899 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:21,906 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 15 treesize of output 1 [2020-12-04 18:14:21,908 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:21,942 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:14:21,950 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 15 treesize of output 1 [2020-12-04 18:14:21,951 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:21,963 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 24 treesize of output 12 [2020-12-04 18:14:21,965 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:21,986 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:14:21,989 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:14:21,989 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:85, output treesize:25 [2020-12-04 18:14:22,019 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:14:22,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:22,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001584984] [2020-12-04 18:14:22,132 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:22,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368715073] [2020-12-04 18:14:22,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:22,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 18:14:22,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33482135] [2020-12-04 18:14:22,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:14:22,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:22,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:14:22,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:14:22,135 INFO L87 Difference]: Start difference. First operand 645 states and 787 transitions. Second operand 11 states. [2020-12-04 18:14:36,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:36,941 INFO L93 Difference]: Finished difference Result 2162 states and 2648 transitions. [2020-12-04 18:14:36,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-12-04 18:14:36,942 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 96 [2020-12-04 18:14:36,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:36,951 INFO L225 Difference]: With dead ends: 2162 [2020-12-04 18:14:36,951 INFO L226 Difference]: Without dead ends: 1584 [2020-12-04 18:14:36,954 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 85 SyntacticMatches, 1 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 196 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=213, Invalid=657, Unknown=0, NotChecked=0, Total=870 [2020-12-04 18:14:36,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2020-12-04 18:14:37,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1163. [2020-12-04 18:14:37,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2020-12-04 18:14:37,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1456 transitions. [2020-12-04 18:14:37,070 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1456 transitions. Word has length 96 [2020-12-04 18:14:37,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:37,070 INFO L481 AbstractCegarLoop]: Abstraction has 1163 states and 1456 transitions. [2020-12-04 18:14:37,070 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:14:37,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1456 transitions. [2020-12-04 18:14:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-12-04 18:14:37,074 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:37,074 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:37,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:14:37,288 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:37,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:37,290 INFO L82 PathProgramCache]: Analyzing trace with hash 1675905555, now seen corresponding path program 1 times [2020-12-04 18:14:37,291 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:37,291 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792665501] [2020-12-04 18:14:37,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:37,417 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:37,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [584042264] [2020-12-04 18:14:37,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:39,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 38 conjunts are in the unsatisfiable core [2020-12-04 18:14:39,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:39,360 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:14:39,580 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:14:39,581 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:39,611 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:14:39,620 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:14:39,622 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:14:39,643 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:14:39,644 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:14:39,645 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:29, output treesize:7 [2020-12-04 18:14:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:39,762 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792665501] [2020-12-04 18:14:39,763 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:39,763 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [584042264] [2020-12-04 18:14:39,763 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:39,763 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:14:39,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637614149] [2020-12-04 18:14:39,764 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:14:39,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:39,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:14:39,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:14:39,765 INFO L87 Difference]: Start difference. First operand 1163 states and 1456 transitions. Second operand 8 states. [2020-12-04 18:14:42,562 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:14:42,771 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-04 18:14:42,983 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2020-12-04 18:14:43,615 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-04 18:14:43,837 WARN L197 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-04 18:14:44,003 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2020-12-04 18:14:44,220 WARN L197 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 25 [2020-12-04 18:14:44,774 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2020-12-04 18:14:45,528 WARN L197 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2020-12-04 18:14:53,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:14:53,944 INFO L93 Difference]: Finished difference Result 4586 states and 5707 transitions. [2020-12-04 18:14:53,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-12-04 18:14:53,945 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2020-12-04 18:14:53,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:14:53,966 INFO L225 Difference]: With dead ends: 4586 [2020-12-04 18:14:53,967 INFO L226 Difference]: Without dead ends: 3477 [2020-12-04 18:14:53,970 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2020-12-04 18:14:53,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3477 states. [2020-12-04 18:14:54,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3477 to 2206. [2020-12-04 18:14:54,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2206 states. [2020-12-04 18:14:54,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 2206 states and 2795 transitions. [2020-12-04 18:14:54,149 INFO L78 Accepts]: Start accepts. Automaton has 2206 states and 2795 transitions. Word has length 99 [2020-12-04 18:14:54,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:14:54,150 INFO L481 AbstractCegarLoop]: Abstraction has 2206 states and 2795 transitions. [2020-12-04 18:14:54,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:14:54,150 INFO L276 IsEmpty]: Start isEmpty. Operand 2206 states and 2795 transitions. [2020-12-04 18:14:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-12-04 18:14:54,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:14:54,154 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:14:54,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-12-04 18:14:54,369 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:14:54,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:14:54,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1416343294, now seen corresponding path program 1 times [2020-12-04 18:14:54,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:14:54,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1110699633] [2020-12-04 18:14:54,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:14:54,497 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:14:54,497 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1877372752] [2020-12-04 18:14:54,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:14:55,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:14:55,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 2932 conjuncts, 58 conjunts are in the unsatisfiable core [2020-12-04 18:14:55,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:14:56,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:14:56,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:14:56,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1110699633] [2020-12-04 18:14:56,467 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:14:56,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1877372752] [2020-12-04 18:14:56,468 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:14:56,468 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:14:56,468 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175867491] [2020-12-04 18:14:56,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:14:56,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:14:56,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:14:56,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:14:56,470 INFO L87 Difference]: Start difference. First operand 2206 states and 2795 transitions. Second operand 9 states. [2020-12-04 18:15:04,162 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:15:04,351 WARN L197 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2020-12-04 18:15:04,513 WARN L197 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 21 [2020-12-04 18:15:05,497 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 20 [2020-12-04 18:15:12,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:15:12,802 INFO L93 Difference]: Finished difference Result 3372 states and 4221 transitions. [2020-12-04 18:15:12,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-04 18:15:12,804 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 100 [2020-12-04 18:15:12,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:15:12,812 INFO L225 Difference]: With dead ends: 3372 [2020-12-04 18:15:12,812 INFO L226 Difference]: Without dead ends: 1787 [2020-12-04 18:15:12,816 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-04 18:15:12,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-12-04 18:15:12,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1670. [2020-12-04 18:15:12,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1670 states. [2020-12-04 18:15:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1670 states to 1670 states and 2110 transitions. [2020-12-04 18:15:12,906 INFO L78 Accepts]: Start accepts. Automaton has 1670 states and 2110 transitions. Word has length 100 [2020-12-04 18:15:12,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:15:12,906 INFO L481 AbstractCegarLoop]: Abstraction has 1670 states and 2110 transitions. [2020-12-04 18:15:12,906 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:15:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2110 transitions. [2020-12-04 18:15:12,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-04 18:15:12,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:15:12,908 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:15:13,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-12-04 18:15:13,125 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:15:13,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:15:13,125 INFO L82 PathProgramCache]: Analyzing trace with hash -781956775, now seen corresponding path program 1 times [2020-12-04 18:15:13,126 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:15:13,126 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986704805] [2020-12-04 18:15:13,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:15:13,240 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:15:13,241 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2050671527] [2020-12-04 18:15:13,241 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2020-12-04 18:15:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:15:15,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 25 conjunts are in the unsatisfiable core [2020-12-04 18:15:15,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:15:15,292 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2020-12-04 18:15:15,294 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:15,301 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:15,302 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:15,302 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2020-12-04 18:15:15,402 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:15:15,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986704805] [2020-12-04 18:15:15,402 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:15:15,403 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050671527] [2020-12-04 18:15:15,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:15:15,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:15:15,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325458463] [2020-12-04 18:15:15,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:15:15,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:15:15,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:15:15,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:15:15,406 INFO L87 Difference]: Start difference. First operand 1670 states and 2110 transitions. Second operand 7 states. [2020-12-04 18:15:16,253 WARN L197 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-04 18:15:16,441 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 21 [2020-12-04 18:15:16,851 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2020-12-04 18:15:26,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:15:26,956 INFO L93 Difference]: Finished difference Result 6021 states and 7576 transitions. [2020-12-04 18:15:26,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-04 18:15:26,958 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2020-12-04 18:15:26,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:15:26,977 INFO L225 Difference]: With dead ends: 6021 [2020-12-04 18:15:26,977 INFO L226 Difference]: Without dead ends: 4407 [2020-12-04 18:15:26,982 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2020-12-04 18:15:26,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4407 states. [2020-12-04 18:15:27,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4407 to 2709. [2020-12-04 18:15:27,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2709 states. [2020-12-04 18:15:27,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2709 states to 2709 states and 3442 transitions. [2020-12-04 18:15:27,206 INFO L78 Accepts]: Start accepts. Automaton has 2709 states and 3442 transitions. Word has length 101 [2020-12-04 18:15:27,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:15:27,206 INFO L481 AbstractCegarLoop]: Abstraction has 2709 states and 3442 transitions. [2020-12-04 18:15:27,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:15:27,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2709 states and 3442 transitions. [2020-12-04 18:15:27,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-04 18:15:27,208 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:15:27,209 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:15:27,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:15:27,423 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:15:27,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:15:27,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1094526043, now seen corresponding path program 1 times [2020-12-04 18:15:27,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:15:27,425 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837027269] [2020-12-04 18:15:27,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:15:27,521 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:15:27,522 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1065850359] [2020-12-04 18:15:27,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:15:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:15:28,861 INFO L263 TraceCheckSpWp]: Trace formula consists of 2939 conjuncts, 8 conjunts are in the unsatisfiable core [2020-12-04 18:15:28,866 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:15:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:15:29,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837027269] [2020-12-04 18:15:29,091 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:15:29,091 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1065850359] [2020-12-04 18:15:29,091 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:15:29,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:15:29,092 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515017003] [2020-12-04 18:15:29,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:15:29,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:15:29,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:15:29,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:15:29,093 INFO L87 Difference]: Start difference. First operand 2709 states and 3442 transitions. Second operand 5 states. [2020-12-04 18:15:38,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:15:38,833 INFO L93 Difference]: Finished difference Result 6553 states and 8326 transitions. [2020-12-04 18:15:38,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:15:38,835 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 101 [2020-12-04 18:15:38,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:15:38,851 INFO L225 Difference]: With dead ends: 6553 [2020-12-04 18:15:38,851 INFO L226 Difference]: Without dead ends: 3903 [2020-12-04 18:15:38,913 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:15:38,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3903 states. [2020-12-04 18:15:39,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3903 to 2812. [2020-12-04 18:15:39,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2020-12-04 18:15:39,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 3540 transitions. [2020-12-04 18:15:39,067 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 3540 transitions. Word has length 101 [2020-12-04 18:15:39,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:15:39,068 INFO L481 AbstractCegarLoop]: Abstraction has 2812 states and 3540 transitions. [2020-12-04 18:15:39,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:15:39,068 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 3540 transitions. [2020-12-04 18:15:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-12-04 18:15:39,070 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:15:39,070 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:15:39,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:15:39,285 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:15:39,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:15:39,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1633683303, now seen corresponding path program 1 times [2020-12-04 18:15:39,286 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:15:39,287 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968608349] [2020-12-04 18:15:39,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:15:39,384 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:15:39,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [266411382] [2020-12-04 18:15:39,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:15:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:15:41,046 INFO L263 TraceCheckSpWp]: Trace formula consists of 2944 conjuncts, 63 conjunts are in the unsatisfiable core [2020-12-04 18:15:41,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:15:41,081 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-04 18:15:41,083 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,124 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,124 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2020-12-04 18:15:41,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:15:41,281 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 [2020-12-04 18:15:41,283 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,331 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:15:41,347 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 [2020-12-04 18:15:41,348 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,397 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,405 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,405 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:27 [2020-12-04 18:15:41,452 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,452 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 11 treesize of output 15 [2020-12-04 18:15:41,454 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:15:41,459 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,491 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,492 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,492 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:26 [2020-12-04 18:15:41,573 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 25 treesize of output 13 [2020-12-04 18:15:41,575 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,617 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,626 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 25 treesize of output 13 [2020-12-04 18:15:41,628 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,662 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,669 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,669 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:56, output treesize:22 [2020-12-04 18:15:41,773 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-12-04 18:15:41,775 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,809 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,817 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 7 [2020-12-04 18:15:41,820 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,845 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:41,846 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:41,846 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:40, output treesize:10 [2020-12-04 18:15:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:15:41,980 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968608349] [2020-12-04 18:15:41,980 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:15:41,981 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [266411382] [2020-12-04 18:15:41,981 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:15:41,981 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:15:41,981 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841316000] [2020-12-04 18:15:41,982 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:15:41,982 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:15:41,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:15:41,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:15:41,983 INFO L87 Difference]: Start difference. First operand 2812 states and 3540 transitions. Second operand 7 states. [2020-12-04 18:15:52,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:15:52,434 INFO L93 Difference]: Finished difference Result 7299 states and 9151 transitions. [2020-12-04 18:15:52,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:15:52,435 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 101 [2020-12-04 18:15:52,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:15:52,453 INFO L225 Difference]: With dead ends: 7299 [2020-12-04 18:15:52,453 INFO L226 Difference]: Without dead ends: 5632 [2020-12-04 18:15:52,457 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:15:52,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5632 states. [2020-12-04 18:15:52,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5632 to 2841. [2020-12-04 18:15:52,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2841 states. [2020-12-04 18:15:52,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2841 states to 2841 states and 3571 transitions. [2020-12-04 18:15:52,618 INFO L78 Accepts]: Start accepts. Automaton has 2841 states and 3571 transitions. Word has length 101 [2020-12-04 18:15:52,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:15:52,618 INFO L481 AbstractCegarLoop]: Abstraction has 2841 states and 3571 transitions. [2020-12-04 18:15:52,618 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:15:52,618 INFO L276 IsEmpty]: Start isEmpty. Operand 2841 states and 3571 transitions. [2020-12-04 18:15:52,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-04 18:15:52,620 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:15:52,620 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:15:52,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-04 18:15:52,829 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:15:52,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:15:52,831 INFO L82 PathProgramCache]: Analyzing trace with hash -300664196, now seen corresponding path program 1 times [2020-12-04 18:15:52,831 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:15:52,831 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992384021] [2020-12-04 18:15:52,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:15:52,931 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:15:52,931 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1125357437] [2020-12-04 18:15:52,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:15:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:15:54,433 INFO L263 TraceCheckSpWp]: Trace formula consists of 2937 conjuncts, 80 conjunts are in the unsatisfiable core [2020-12-04 18:15:54,439 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:15:54,459 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-12-04 18:15:54,461 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:54,501 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:54,502 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:54,503 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2020-12-04 18:15:54,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:15:54,666 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 [2020-12-04 18:15:54,668 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:54,727 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:15:54,743 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 [2020-12-04 18:15:54,745 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:54,801 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:54,809 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:54,809 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:49, output treesize:27 [2020-12-04 18:15:54,936 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:54,937 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 11 treesize of output 15 [2020-12-04 18:15:54,940 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:15:54,945 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:55,002 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:55,004 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:55,004 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:38, output treesize:32 [2020-12-04 18:15:55,113 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 25 treesize of output 13 [2020-12-04 18:15:55,115 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:55,181 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:55,194 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 25 treesize of output 13 [2020-12-04 18:15:55,196 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:15:55,243 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:15:55,250 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:15:55,250 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:62, output treesize:28 [2020-12-04 18:15:55,534 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:15:55,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992384021] [2020-12-04 18:15:55,534 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:15:55,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125357437] [2020-12-04 18:15:55,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:15:55,535 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:15:55,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956649528] [2020-12-04 18:15:55,535 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:15:55,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:15:55,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:15:55,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:15:55,536 INFO L87 Difference]: Start difference. First operand 2841 states and 3571 transitions. Second operand 9 states. [2020-12-04 18:16:10,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:16:10,520 INFO L93 Difference]: Finished difference Result 4542 states and 5698 transitions. [2020-12-04 18:16:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-12-04 18:16:10,522 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 102 [2020-12-04 18:16:10,522 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:16:10,535 INFO L225 Difference]: With dead ends: 4542 [2020-12-04 18:16:10,535 INFO L226 Difference]: Without dead ends: 2886 [2020-12-04 18:16:10,538 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=68, Invalid=142, Unknown=0, NotChecked=0, Total=210 [2020-12-04 18:16:10,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2020-12-04 18:16:10,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2870. [2020-12-04 18:16:10,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2870 states. [2020-12-04 18:16:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 3601 transitions. [2020-12-04 18:16:10,676 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 3601 transitions. Word has length 102 [2020-12-04 18:16:10,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:16:10,676 INFO L481 AbstractCegarLoop]: Abstraction has 2870 states and 3601 transitions. [2020-12-04 18:16:10,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:16:10,676 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 3601 transitions. [2020-12-04 18:16:10,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-12-04 18:16:10,678 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:16:10,678 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:16:10,892 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2020-12-04 18:16:10,893 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:16:10,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:16:10,894 INFO L82 PathProgramCache]: Analyzing trace with hash -934382788, now seen corresponding path program 1 times [2020-12-04 18:16:10,894 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:16:10,894 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617703369] [2020-12-04 18:16:10,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:16:10,982 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:16:10,982 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [103273666] [2020-12-04 18:16:10,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:16:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:16:12,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 2937 conjuncts, 79 conjunts are in the unsatisfiable core [2020-12-04 18:16:12,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:16:12,969 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2020-12-04 18:16:12,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:16:13,296 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:13,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:13,303 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:13,326 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2020-12-04 18:16:13,328 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:13,341 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2020-12-04 18:16:13,346 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:13,502 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 33 [2020-12-04 18:16:13,503 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:13,518 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2020-12-04 18:16:13,525 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:13,537 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 8 [2020-12-04 18:16:13,539 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:13,660 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:16:13,661 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:13,662 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:16:13,662 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:113, output treesize:65 [2020-12-04 18:16:13,826 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:16:13,838 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 5, 1] term [2020-12-04 18:16:13,839 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:13,845 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 18:16:13,851 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:13,867 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 18:16:13,871 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:14,043 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:16:14,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617703369] [2020-12-04 18:16:14,044 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:16:14,045 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [103273666] [2020-12-04 18:16:14,045 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:16:14,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:16:14,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322113784] [2020-12-04 18:16:14,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:16:14,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:16:14,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:16:14,047 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:16:14,047 INFO L87 Difference]: Start difference. First operand 2870 states and 3601 transitions. Second operand 11 states. [2020-12-04 18:16:21,806 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-04 18:16:21,987 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2020-12-04 18:16:22,373 WARN L197 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-12-04 18:16:23,073 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2020-12-04 18:16:24,402 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 21 DAG size of output: 18 [2020-12-04 18:16:34,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:16:34,732 INFO L93 Difference]: Finished difference Result 6152 states and 7717 transitions. [2020-12-04 18:16:34,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-12-04 18:16:34,734 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 102 [2020-12-04 18:16:34,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:16:34,749 INFO L225 Difference]: With dead ends: 6152 [2020-12-04 18:16:34,749 INFO L226 Difference]: Without dead ends: 3446 [2020-12-04 18:16:34,753 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=107, Invalid=235, Unknown=0, NotChecked=0, Total=342 [2020-12-04 18:16:34,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3446 states. [2020-12-04 18:16:34,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3446 to 3294. [2020-12-04 18:16:34,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3294 states. [2020-12-04 18:16:34,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3294 states to 3294 states and 4161 transitions. [2020-12-04 18:16:34,917 INFO L78 Accepts]: Start accepts. Automaton has 3294 states and 4161 transitions. Word has length 102 [2020-12-04 18:16:34,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:16:34,917 INFO L481 AbstractCegarLoop]: Abstraction has 3294 states and 4161 transitions. [2020-12-04 18:16:34,918 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:16:34,918 INFO L276 IsEmpty]: Start isEmpty. Operand 3294 states and 4161 transitions. [2020-12-04 18:16:34,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2020-12-04 18:16:34,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:16:34,920 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:16:35,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2020-12-04 18:16:35,134 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:16:35,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:16:35,135 INFO L82 PathProgramCache]: Analyzing trace with hash 1759416687, now seen corresponding path program 1 times [2020-12-04 18:16:35,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:16:35,136 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037538972] [2020-12-04 18:16:35,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:16:35,271 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2020-12-04 18:16:35,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1223953524] [2020-12-04 18:16:35,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2020-12-04 18:16:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:16:36,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 2962 conjuncts, 117 conjunts are in the unsatisfiable core [2020-12-04 18:16:36,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:16:37,051 INFO L348 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2020-12-04 18:16:37,052 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2020-12-04 18:16:37,054 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:37,124 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:37,126 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:16:37,127 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:47 [2020-12-04 18:16:37,297 WARN L197 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-12-04 18:16:37,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:37,468 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 24 treesize of output 23 [2020-12-04 18:16:37,470 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:37,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:37,512 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 24 treesize of output 23 [2020-12-04 18:16:37,513 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:37,785 WARN L197 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-04 18:16:37,786 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:37,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:37,833 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 25 treesize of output 13 [2020-12-04 18:16:37,835 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:37,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:37,872 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 25 treesize of output 13 [2020-12-04 18:16:37,876 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,146 WARN L197 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-04 18:16:38,147 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:38,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,184 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 25 treesize of output 13 [2020-12-04 18:16:38,186 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,217 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 25 treesize of output 13 [2020-12-04 18:16:38,219 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,433 WARN L197 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-04 18:16:38,434 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:38,440 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-12-04 18:16:38,441 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:175, output treesize:93 [2020-12-04 18:16:38,508 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:38,510 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:38,512 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:16:38,523 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_140|, |v_#memory_$Pointer$.offset_140|], 10=[|v_#memory_int_193|]} [2020-12-04 18:16:38,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,576 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 51 treesize of output 39 [2020-12-04 18:16:38,579 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,622 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 61 treesize of output 43 [2020-12-04 18:16:38,625 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,886 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-04 18:16:38,887 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:38,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,930 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 61 treesize of output 43 [2020-12-04 18:16:38,932 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:38,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:38,969 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 51 treesize of output 39 [2020-12-04 18:16:38,971 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:39,150 WARN L197 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-04 18:16:39,152 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:39,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:39,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:39,446 WARN L197 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-12-04 18:16:39,447 INFO L348 Elim1Store]: treesize reduction 42, result has 55.3 percent of original size [2020-12-04 18:16:39,448 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 94 [2020-12-04 18:16:39,451 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:39,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:39,704 WARN L197 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 32 [2020-12-04 18:16:39,705 INFO L348 Elim1Store]: treesize reduction 42, result has 55.3 percent of original size [2020-12-04 18:16:39,706 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 48 treesize of output 94 [2020-12-04 18:16:39,709 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:40,046 WARN L197 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-12-04 18:16:40,047 INFO L625 ElimStorePlain]: treesize reduction 248, result has 33.5 percent of original size [2020-12-04 18:16:40,049 INFO L547 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-12-04 18:16:40,049 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 4 variables, input treesize:193, output treesize:125 [2020-12-04 18:16:40,289 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2020-12-04 18:16:40,598 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2020-12-04 18:16:40,607 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:40,668 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:40,668 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 11 treesize of output 15 [2020-12-04 18:16:40,670 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:40,675 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:40,720 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:40,721 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 11 treesize of output 15 [2020-12-04 18:16:40,722 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:40,727 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:40,939 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2020-12-04 18:16:40,940 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:40,943 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-12-04 18:16:40,944 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:153, output treesize:141 [2020-12-04 18:16:43,304 WARN L197 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 61 [2020-12-04 18:16:43,328 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:43,333 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:43,338 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:43,345 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 2, 7, 1] term [2020-12-04 18:16:43,346 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:16:43,367 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_141|, v_prenex_5, v_prenex_6, |v_#memory_$Pointer$.offset_141|], 15=[v_prenex_7, |v_#memory_int_194|]} [2020-12-04 18:16:43,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:43,420 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2020-12-04 18:16:43,422 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:43,780 WARN L197 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2020-12-04 18:16:43,781 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:43,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:43,830 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2020-12-04 18:16:43,832 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:44,089 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2020-12-04 18:16:44,090 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:44,133 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 57 treesize of output 39 [2020-12-04 18:16:44,135 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:44,385 WARN L197 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-04 18:16:44,386 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:44,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:44,428 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 35 [2020-12-04 18:16:44,429 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:44,665 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 78 [2020-12-04 18:16:44,666 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:44,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:44,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:44,958 WARN L197 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-04 18:16:44,959 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:44,959 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 168 [2020-12-04 18:16:44,972 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:45,661 WARN L197 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 80 [2020-12-04 18:16:45,662 INFO L625 ElimStorePlain]: treesize reduction 142, result has 56.6 percent of original size [2020-12-04 18:16:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:45,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:16:45,996 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-04 18:16:45,997 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:16:45,997 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 57 treesize of output 168 [2020-12-04 18:16:46,016 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:16:46,666 WARN L197 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 76 [2020-12-04 18:16:46,667 INFO L625 ElimStorePlain]: treesize reduction 142, result has 59.5 percent of original size [2020-12-04 18:16:46,676 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:46,679 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:46,705 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:46,707 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:46,732 INFO L547 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 6 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-12-04 18:16:46,737 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 14 variables, input treesize:221, output treesize:209 [2020-12-04 18:16:46,743 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:46,746 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:46,772 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:46,775 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:51,212 WARN L197 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2020-12-04 18:16:51,236 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:51,239 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:16:51,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:16:51,274 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:17:06,551 WARN L197 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 100 DAG size of output: 84 [2020-12-04 18:17:06,570 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:17:06,571 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-04 18:17:06,602 INFO L639 QuantifierPusher]: Distributing 4 conjuncts over 2 disjuncts [2020-12-04 18:17:06,788 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:17:06,995 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:17:07,047 INFO L244 Elim1Store]: Index analysis took 335 ms [2020-12-04 18:17:07,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:17:07,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:17:07,291 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-04 18:17:07,292 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:17:07,293 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 5 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 65 treesize of output 102 [2020-12-04 18:17:07,300 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-12-04 18:17:07,302 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 3, 1] term [2020-12-04 18:17:07,302 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 18:17:07,321 INFO L639 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-12-04 18:17:07,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037538972] [2020-12-04 18:17:07,323 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2020-12-04 18:17:07,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1223953524] [2020-12-04 18:17:07,324 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: null [2020-12-04 18:17:07,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:17:07,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [] total 0 [2020-12-04 18:17:07,324 ERROR L205 FreeRefinementEngine]: Strategy CAMEL failed to provide any proof altough trace is infeasible [2020-12-04 18:17:07,324 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-04 18:17:07,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-04 18:17:07,614 WARN L254 ceAbstractionStarter]: Unable to decide correctness. Please check the following counterexample manually. [2020-12-04 18:17:07,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.12 06:17:07 BoogieIcfgContainer [2020-12-04 18:17:07,614 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-04 18:17:07,615 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-04 18:17:07,615 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-04 18:17:07,615 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-04 18:17:07,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:14:02" (3/4) ... [2020-12-04 18:17:07,620 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-04 18:17:07,620 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-04 18:17:07,622 INFO L168 Benchmark]: Toolchain (without parser) took 203037.16 ms. Allocated memory was 41.9 MB in the beginning and 1.1 GB in the end (delta: 1.0 GB). Free memory was 21.0 MB in the beginning and 890.3 MB in the end (delta: -869.3 MB). Peak memory consumption was 157.8 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:07,622 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:17:07,623 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4221.60 ms. Allocated memory was 41.9 MB in the beginning and 98.6 MB in the end (delta: 56.6 MB). Free memory was 20.9 MB in the beginning and 48.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:07,624 INFO L168 Benchmark]: Boogie Procedure Inliner took 363.41 ms. Allocated memory is still 98.6 MB. Free memory was 48.6 MB in the beginning and 26.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:07,625 INFO L168 Benchmark]: Boogie Preprocessor took 275.08 ms. Allocated memory is still 98.6 MB. Free memory was 26.4 MB in the beginning and 43.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:07,625 INFO L168 Benchmark]: RCFGBuilder took 12811.54 ms. Allocated memory was 98.6 MB in the beginning and 501.2 MB in the end (delta: 402.7 MB). Free memory was 43.4 MB in the beginning and 197.4 MB in the end (delta: -153.9 MB). Peak memory consumption was 304.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:07,626 INFO L168 Benchmark]: TraceAbstraction took 185349.87 ms. Allocated memory was 501.2 MB in the beginning and 1.1 GB in the end (delta: 566.2 MB). Free memory was 197.4 MB in the beginning and 890.3 MB in the end (delta: -693.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:17:07,626 INFO L168 Benchmark]: Witness Printer took 5.62 ms. Allocated memory is still 1.1 GB. Free memory is still 890.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:17:07,628 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 41.9 MB. Free memory was 22.5 MB in the beginning and 22.5 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4221.60 ms. Allocated memory was 41.9 MB in the beginning and 98.6 MB in the end (delta: 56.6 MB). Free memory was 20.9 MB in the beginning and 48.6 MB in the end (delta: -27.7 MB). Peak memory consumption was 63.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 363.41 ms. Allocated memory is still 98.6 MB. Free memory was 48.6 MB in the beginning and 26.4 MB in the end (delta: 22.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 275.08 ms. Allocated memory is still 98.6 MB. Free memory was 26.4 MB in the beginning and 43.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 16.1 GB. * RCFGBuilder took 12811.54 ms. Allocated memory was 98.6 MB in the beginning and 501.2 MB in the end (delta: 402.7 MB). Free memory was 43.4 MB in the beginning and 197.4 MB in the end (delta: -153.9 MB). Peak memory consumption was 304.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 185349.87 ms. Allocated memory was 501.2 MB in the beginning and 1.1 GB in the end (delta: 566.2 MB). Free memory was 197.4 MB in the beginning and 890.3 MB in the end (delta: -693.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 5.62 ms. Allocated memory is still 1.1 GB. Free memory is still 890.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 223]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: unable to decide satisfiability of path constraint, overapproximation of large string literal at line 7787. Possible FailurePath: [L2762-L2767] static struct aws_allocator s_can_fail_allocator_static = { .mem_acquire = s_can_fail_malloc_allocator, .mem_release = s_can_fail_free_allocator, .mem_realloc = s_can_fail_realloc_allocator, .mem_calloc = s_can_fail_calloc_allocator, }; [L7359] static __thread int tl_last_error = 0; [L7786-L7934] static struct aws_error_info errors[] = { [(AWS_ERROR_SUCCESS)-0x0000] = { .literal_name = "AWS_ERROR_SUCCESS", .error_code = (AWS_ERROR_SUCCESS), .error_str = ("Success."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SUCCESS" ", " "Success.", } , [(AWS_ERROR_OOM)-0x0000] = { .literal_name = "AWS_ERROR_OOM", .error_code = (AWS_ERROR_OOM), .error_str = ("Out of memory."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OOM" ", " "Out of memory.", } , [(AWS_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_UNKNOWN", .error_code = (AWS_ERROR_UNKNOWN), .error_str = ("Unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNKNOWN" ", " "Unknown error.", } , [(AWS_ERROR_SHORT_BUFFER)-0x0000] = { .literal_name = "AWS_ERROR_SHORT_BUFFER", .error_code = (AWS_ERROR_SHORT_BUFFER), .error_str = ("Buffer is not large enough to hold result."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SHORT_BUFFER" ", " "Buffer is not large enough to hold result.", } , [(AWS_ERROR_OVERFLOW_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_OVERFLOW_DETECTED", .error_code = (AWS_ERROR_OVERFLOW_DETECTED), .error_str = ("Fixed size value overflow was detected."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_OVERFLOW_DETECTED" ", " "Fixed size value overflow was detected.", } , [(AWS_ERROR_UNSUPPORTED_OPERATION)-0x0000] = { .literal_name = "AWS_ERROR_UNSUPPORTED_OPERATION", .error_code = (AWS_ERROR_UNSUPPORTED_OPERATION), .error_str = ("Unsupported operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNSUPPORTED_OPERATION" ", " "Unsupported operation.", } , [(AWS_ERROR_INVALID_BUFFER_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BUFFER_SIZE", .error_code = (AWS_ERROR_INVALID_BUFFER_SIZE), .error_str = ("Invalid buffer size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BUFFER_SIZE" ", " "Invalid buffer size.", } , [(AWS_ERROR_INVALID_HEX_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_HEX_STR", .error_code = (AWS_ERROR_INVALID_HEX_STR), .error_str = ("Invalid hex string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_HEX_STR" ", " "Invalid hex string.", } , [(AWS_ERROR_INVALID_BASE64_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_BASE64_STR", .error_code = (AWS_ERROR_INVALID_BASE64_STR), .error_str = ("Invalid base64 string."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_BASE64_STR" ", " "Invalid base64 string.", } , [(AWS_ERROR_INVALID_INDEX)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_INDEX", .error_code = (AWS_ERROR_INVALID_INDEX), .error_str = ("Invalid index for list access."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_INDEX" ", " "Invalid index for list access.", } , [(AWS_ERROR_THREAD_INVALID_SETTINGS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INVALID_SETTINGS", .error_code = (AWS_ERROR_THREAD_INVALID_SETTINGS), .error_str = ("Invalid thread settings."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INVALID_SETTINGS" ", " "Invalid thread settings.", } , [(AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE", .error_code = (AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE), .error_str = ("Insufficent resources for thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_INSUFFICIENT_RESOURCE" ", " "Insufficent resources for thread.", } , [(AWS_ERROR_THREAD_NO_PERMISSIONS)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_PERMISSIONS", .error_code = (AWS_ERROR_THREAD_NO_PERMISSIONS), .error_str = ("Insufficient permissions for thread operation."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_PERMISSIONS" ", " "Insufficient permissions for thread operation.", } , [(AWS_ERROR_THREAD_NOT_JOINABLE)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NOT_JOINABLE", .error_code = (AWS_ERROR_THREAD_NOT_JOINABLE), .error_str = ("Thread not joinable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NOT_JOINABLE" ", " "Thread not joinable.", } , [(AWS_ERROR_THREAD_NO_SUCH_THREAD_ID)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID", .error_code = (AWS_ERROR_THREAD_NO_SUCH_THREAD_ID), .error_str = ("No such thread ID."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_NO_SUCH_THREAD_ID" ", " "No such thread ID.", } , [(AWS_ERROR_THREAD_DEADLOCK_DETECTED)-0x0000] = { .literal_name = "AWS_ERROR_THREAD_DEADLOCK_DETECTED", .error_code = (AWS_ERROR_THREAD_DEADLOCK_DETECTED), .error_str = ("Deadlock detected in thread."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_THREAD_DEADLOCK_DETECTED" ", " "Deadlock detected in thread.", } , [(AWS_ERROR_MUTEX_NOT_INIT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_NOT_INIT", .error_code = (AWS_ERROR_MUTEX_NOT_INIT), .error_str = ("Mutex not initialized."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_NOT_INIT" ", " "Mutex not initialized.", } , [(AWS_ERROR_MUTEX_TIMEOUT)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_TIMEOUT", .error_code = (AWS_ERROR_MUTEX_TIMEOUT), .error_str = ("Mutex operation timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_TIMEOUT" ", " "Mutex operation timed out.", } , [(AWS_ERROR_MUTEX_CALLER_NOT_OWNER)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_CALLER_NOT_OWNER", .error_code = (AWS_ERROR_MUTEX_CALLER_NOT_OWNER), .error_str = ("The caller of a mutex operation was not the owner."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_CALLER_NOT_OWNER" ", " "The caller of a mutex operation was not the owner.", } , [(AWS_ERROR_MUTEX_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_MUTEX_FAILED", .error_code = (AWS_ERROR_MUTEX_FAILED), .error_str = ("Mutex operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MUTEX_FAILED" ", " "Mutex operation failed.", } , [(AWS_ERROR_COND_VARIABLE_INIT_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_INIT_FAILED", .error_code = (AWS_ERROR_COND_VARIABLE_INIT_FAILED), .error_str = ("Condition variable initialization failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_INIT_FAILED" ", " "Condition variable initialization failed.", } , [(AWS_ERROR_COND_VARIABLE_TIMED_OUT)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_TIMED_OUT", .error_code = (AWS_ERROR_COND_VARIABLE_TIMED_OUT), .error_str = ("Condition variable wait timed out."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_TIMED_OUT" ", " "Condition variable wait timed out.", } , [(AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN)-0x0000] = { .literal_name = "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN", .error_code = (AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN), .error_str = ("Condition variable unknown error."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_COND_VARIABLE_ERROR_UNKNOWN" ", " "Condition variable unknown error.", } , [(AWS_ERROR_CLOCK_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_CLOCK_FAILURE", .error_code = (AWS_ERROR_CLOCK_FAILURE), .error_str = ("Clock operation failed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_CLOCK_FAILURE" ", " "Clock operation failed.", } , [(AWS_ERROR_LIST_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EMPTY", .error_code = (AWS_ERROR_LIST_EMPTY), .error_str = ("Empty list."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EMPTY" ", " "Empty list.", } , [(AWS_ERROR_DEST_COPY_TOO_SMALL)-0x0000] = { .literal_name = "AWS_ERROR_DEST_COPY_TOO_SMALL", .error_code = (AWS_ERROR_DEST_COPY_TOO_SMALL), .error_str = ("Destination of copy is too small."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_DEST_COPY_TOO_SMALL" ", " "Destination of copy is too small.", } , [(AWS_ERROR_LIST_EXCEEDS_MAX_SIZE)-0x0000] = { .literal_name = "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE", .error_code = (AWS_ERROR_LIST_EXCEEDS_MAX_SIZE), .error_str = ("A requested operation on a list would exceed it's max size."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_EXCEEDS_MAX_SIZE" ", " "A requested operation on a list would exceed it's max size.", } , [(AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK)-0x0000] = { .literal_name = "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK", .error_code = (AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK), .error_str = ("Attempt to shrink a list in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_LIST_STATIC_MODE_CANT_SHRINK" ", " "Attempt to shrink a list in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_FULL)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_FULL", .error_code = (AWS_ERROR_PRIORITY_QUEUE_FULL), .error_str = ("Attempt to add items to a full preallocated queue in static mode."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_FULL" ", " "Attempt to add items to a full preallocated queue in static mode.", } , [(AWS_ERROR_PRIORITY_QUEUE_EMPTY)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_EMPTY", .error_code = (AWS_ERROR_PRIORITY_QUEUE_EMPTY), .error_str = ("Attempt to pop an item from an empty queue."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_EMPTY" ", " "Attempt to pop an item from an empty queue.", } , [(AWS_ERROR_PRIORITY_QUEUE_BAD_NODE)-0x0000] = { .literal_name = "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE", .error_code = (AWS_ERROR_PRIORITY_QUEUE_BAD_NODE), .error_str = ("Bad node handle passed to remove."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_PRIORITY_QUEUE_BAD_NODE" ", " "Bad node handle passed to remove.", } , [(AWS_ERROR_HASHTBL_ITEM_NOT_FOUND)-0x0000] = { .literal_name = "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND", .error_code = (AWS_ERROR_HASHTBL_ITEM_NOT_FOUND), .error_str = ("Item not found in hash table."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_HASHTBL_ITEM_NOT_FOUND" ", " "Item not found in hash table.", } , [(AWS_ERROR_INVALID_DATE_STR)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_DATE_STR", .error_code = (AWS_ERROR_INVALID_DATE_STR), .error_str = ("Date string is invalid and cannot be parsed."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_DATE_STR" ", " "Date string is invalid and cannot be parsed.", } , [(AWS_ERROR_INVALID_ARGUMENT)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_ARGUMENT", .error_code = (AWS_ERROR_INVALID_ARGUMENT), .error_str = ("An invalid argument was passed to a function."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_ARGUMENT" ", " "An invalid argument was passed to a function.", } , [(AWS_ERROR_RANDOM_GEN_FAILED)-0x0000] = { .literal_name = "AWS_ERROR_RANDOM_GEN_FAILED", .error_code = (AWS_ERROR_RANDOM_GEN_FAILED), .error_str = ("A call to the random number generator failed. Retry later."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_RANDOM_GEN_FAILED" ", " "A call to the random number generator failed. Retry later.", } , [(AWS_ERROR_MALFORMED_INPUT_STRING)-0x0000] = { .literal_name = "AWS_ERROR_MALFORMED_INPUT_STRING", .error_code = (AWS_ERROR_MALFORMED_INPUT_STRING), .error_str = ("An input string was passed to a parser and the string was incorrectly formatted."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MALFORMED_INPUT_STRING" ", " "An input string was passed to a parser and the string was incorrectly formatted.", } , [(AWS_ERROR_UNIMPLEMENTED)-0x0000] = { .literal_name = "AWS_ERROR_UNIMPLEMENTED", .error_code = (AWS_ERROR_UNIMPLEMENTED), .error_str = ("A function was called, but is not implemented."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_UNIMPLEMENTED" ", " "A function was called, but is not implemented.", } , [(AWS_ERROR_INVALID_STATE)-0x0000] = { .literal_name = "AWS_ERROR_INVALID_STATE", .error_code = (AWS_ERROR_INVALID_STATE), .error_str = ("An invalid state was encountered."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_INVALID_STATE" ", " "An invalid state was encountered.", } , [(AWS_ERROR_ENVIRONMENT_GET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_GET", .error_code = (AWS_ERROR_ENVIRONMENT_GET), .error_str = ("System call failure when getting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_GET" ", " "System call failure when getting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_SET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_SET", .error_code = (AWS_ERROR_ENVIRONMENT_SET), .error_str = ("System call failure when setting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_SET" ", " "System call failure when setting an environment variable.", } , [(AWS_ERROR_ENVIRONMENT_UNSET)-0x0000] = { .literal_name = "AWS_ERROR_ENVIRONMENT_UNSET", .error_code = (AWS_ERROR_ENVIRONMENT_UNSET), .error_str = ("System call failure when unsetting an environment variable."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_ENVIRONMENT_UNSET" ", " "System call failure when unsetting an environment variable.", } , [(AWS_ERROR_SYS_CALL_FAILURE)-0x0000] = { .literal_name = "AWS_ERROR_SYS_CALL_FAILURE", .error_code = (AWS_ERROR_SYS_CALL_FAILURE), .error_str = ("System call failure"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_SYS_CALL_FAILURE" ", " "System call failure", } , [(AWS_ERROR_FILE_INVALID_PATH)-0x0000] = { .literal_name = "AWS_ERROR_FILE_INVALID_PATH", .error_code = (AWS_ERROR_FILE_INVALID_PATH), .error_str = ("Invalid file path."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_FILE_INVALID_PATH" ", " "Invalid file path.", } , [(AWS_ERROR_MAX_FDS_EXCEEDED)-0x0000] = { .literal_name = "AWS_ERROR_MAX_FDS_EXCEEDED", .error_code = (AWS_ERROR_MAX_FDS_EXCEEDED), .error_str = ("The maximum number of fds has been exceeded."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_MAX_FDS_EXCEEDED" ", " "The maximum number of fds has been exceeded.", } , [(AWS_ERROR_NO_PERMISSION)-0x0000] = { .literal_name = "AWS_ERROR_NO_PERMISSION", .error_code = (AWS_ERROR_NO_PERMISSION), .error_str = ("User does not have permission to perform the requested action."), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_NO_PERMISSION" ", " "User does not have permission to perform the requested action.", } , [(AWS_ERROR_STREAM_UNSEEKABLE)-0x0000] = { .literal_name = "AWS_ERROR_STREAM_UNSEEKABLE", .error_code = (AWS_ERROR_STREAM_UNSEEKABLE), .error_str = ("Stream does not support seek operations"), .lib_name = ("aws-c-common"), .formatted_name = "aws-c-common" ": " "AWS_ERROR_STREAM_UNSEEKABLE" ", " "Stream does not support seek operations", } , }; [L7937-L7940] static struct aws_error_info_list s_list = { .error_list = errors, .count = (sizeof(errors) / sizeof((errors)[0])), }; [L7942-L7951] static struct aws_log_subject_info s_common_log_subject_infos[] = { { .subject_id = (AWS_LS_COMMON_GENERAL), .subject_name = ("aws-c-common"), .subject_description = ("Subject for aws-c-common logging that doesn't belong to any particular category") } , { .subject_id = (AWS_LS_COMMON_TASK_SCHEDULER), .subject_name = ("task-scheduler"), .subject_description = ("Subject for task scheduler or task specific logging.") } , }; [L7953-L7956] static struct aws_log_subject_info_list s_common_log_subject_list = { .subject_list = s_common_log_subject_infos, .count = (sizeof(s_common_log_subject_infos) / sizeof((s_common_log_subject_infos)[0])), }; [L7958-L7962] static _Bool s_common_library_initialized = 0 ; [L7976] struct aws_array_list list = {0, __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), __VERIFIER_nondet_ulong(), 0}; [L7005] EXPR list->item_size [L7004-L7005] _Bool item_size_is_bounded = list->item_size <= max_item_size; [L7008] EXPR list->length [L7007-L7008] _Bool length_is_bounded = list->length <= max_initial_item_allocation; [L7009] return item_size_is_bounded && length_is_bounded; [L211] COND FALSE !(!cond) [L7013] EXPR list->current_size [L7013] list->current_size == 0 && list->length == 0 [L7013] COND FALSE !(list->current_size == 0 && list->length == 0) [L7019] EXPR list->current_size [L211] COND FALSE !(!cond) [L2782] return malloc(size); [L7019] list->data = bounded_malloc(list->current_size) [L261] return __VERIFIER_nondet_bool(); [L7020-L7022] EXPR nondet_bool() ? ((void *)0) : can_fail_allocator() [L7020-L7022] list->alloc = nondet_bool() ? ((void *)0) : can_fail_allocator() [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3281] EXPR list->current_size [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3281] EXPR list->data [L3281] EXPR (((list->current_size)) == 0) || ((list->data)) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L7982] list.data [L211] COND FALSE !(!cond) [L7985] size_t malloc_size; [L7986] list.item_size [L211] COND FALSE !(!cond) [L261] return __VERIFIER_nondet_bool(); [L2796-L2798] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L211] COND FALSE !(!cond) [L2782] return malloc(size); [L2796-L2798] EXPR nondet_bool() ? ((void *)0) : bounded_malloc(size) [L2796-L2798] return nondet_bool() ? ((void *)0) : bounded_malloc(size); [L7987] void *val = can_fail_malloc(malloc_size); [L7990] struct aws_array_list old = list; [L7991] struct store_byte_from_buffer old_byte; [L7992] list.data [L7992] list.current_size [L7183] COND TRUE size > 0 && array && storage [L263] return __VERIFIER_nondet_ulong(); [L7184] storage->index = nondet_size_t() [L7185] storage->index [L211] COND FALSE !(!cond) [L7186] EXPR storage->index [L7186] EXPR array[storage->index] [L7186] storage->byte = array[storage->index] [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L7996] val && ((((list.item_size)) == 0) || ((val))) [L7996] EXPR list.item_size [L7996] val && ((((list.item_size)) == 0) || ((val))) [L211] COND FALSE !(!cond) [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L3313] val && ((((list->item_size)) == 0) || ((val))) [L3313] EXPR list->item_size [L3313] val && ((((list->item_size)) == 0) || ((val))) [L211] COND FALSE !(!cond) [L3493] EXPR list->length [L3493] !list->length || list->data [L211] COND FALSE !(!cond) [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L211] COND FALSE !(!cond) [L3495] EXPR list->length [L3495] size_t len = list->length; [L3263] COND FALSE !(!list) [L3268] size_t required_size = 0; [L3272] EXPR list->length [L3272] EXPR list->item_size [L254] unsigned long c; [L255] return __builtin_umull_overflow(a, b, &c); [L255] return __builtin_umull_overflow(a, b, &c); [L2496] COND FALSE !(__CPROVER_overflow_mult(a, b)) [L2498] *r = a * b [L2499] return (0); [L2588] return aws_mul_u64_checked(a, b, (uint64_t *)r); [L3270-L3272] _Bool required_size_is_valid = (aws_mul_size_checked(list->length, list->item_size, &required_size) == (0)); [L3275] EXPR list->current_size [L3275] EXPR \read(required_size) [L3274-L3275] _Bool current_size_is_valid = (list->current_size >= required_size); [L3279] EXPR list->current_size [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279] EXPR list->data [L3279-L3280] EXPR list->current_size == 0 && list->data == ((void *)0) [L3279-L3281] EXPR (list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data))) [L3277-L3281] _Bool data_is_valid = ((list->current_size == 0 && list->data == ((void *)0) ) || ((((list->current_size)) == 0) || ((list->data)))); [L3284] EXPR list->item_size [L3283-L3284] _Bool item_size_is_valid = (list->item_size != 0); [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L3268] size_t required_size = 0; [L3285] return required_size_is_valid && current_size_is_valid && data_is_valid && item_size_is_valid; [L223] COND TRUE !cond [L223] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 601 locations, 23 error locations. Started 1 CEGAR loops. VerificationResult: UNKNOWN, OverallTime: 185.1s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 118.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 17068 SDtfs, 17510 SDslu, 47370 SDs, 0 SdLazy, 17208 SolverSat, 889 SolverUnsat, 17 SolverUnknown, 0 SolverNotchecked, 91.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1328 GetRequests, 1174 SyntacticMatches, 2 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 413 ImplicationChecksByTransitivity, 10.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3294occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 16 MinimizatonAttempts, 8064 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 2.5s SsaConstructionTime, 14.2s SatisfiabilityAnalysisTime, 7.9s InterpolantComputationTime, 1410 NumberOfCodeBlocks, 1410 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1394 ConstructedInterpolants, 0 QuantifiedInterpolants, 535652 SizeOfPredicates, 182 NumberOfNonLiveVariables, 37758 ConjunctsInSsa, 508 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:17:10,558 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-12-04 18:17:10,705 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:17:10,706 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:17:10,709 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:17:10,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:17:10,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:17:10,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:17:10,712 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:17:10,713 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:17:10,713 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:17:10,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:17:10,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:17:10,718 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 18:17:10,785 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:17:10,785 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:17:10,787 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:17:10,787 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:17:10,788 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:17:10,788 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:17:10,788 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:17:10,788 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:17:10,788 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:17:10,789 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:17:10,789 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 18:17:10,789 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 18:17:10,789 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:17:10,790 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:17:10,790 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:17:10,790 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:17:10,790 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:17:10,791 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:17:10,791 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:17:10,791 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:17:10,791 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:17:10,792 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:17:10,792 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 18:17:10,792 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 18:17:10,792 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:17:10,792 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:17:10,793 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 18:17:10,793 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b43b9bf8ca712ee4e9cb0a1ed016d86580839bba [2020-12-04 18:17:11,209 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:17:11,244 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:17:11,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:17:11,250 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:17:11,251 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:17:11,253 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_push_back_harness.i [2020-12-04 18:17:11,340 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f8dca8b/0b11862c79394c6f8ed908d2048816df/FLAGf8c2f1970 [2020-12-04 18:17:12,404 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:17:12,406 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_array_list_push_back_harness.i [2020-12-04 18:17:12,450 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f8dca8b/0b11862c79394c6f8ed908d2048816df/FLAGf8c2f1970 [2020-12-04 18:17:12,822 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65f8dca8b/0b11862c79394c6f8ed908d2048816df [2020-12-04 18:17:12,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:17:12,827 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:17:12,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:17:12,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:17:12,833 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:17:12,834 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:17:12" (1/1) ... [2020-12-04 18:17:12,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dfb0b09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:12, skipping insertion in model container [2020-12-04 18:17:12,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:17:12" (1/1) ... [2020-12-04 18:17:12,850 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:17:13,003 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:17:13,345 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_array_list_push_back_harness.i[4498,4511] [2020-12-04 18:17:13,354 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_array_list_push_back_harness.i[4558,4571] [2020-12-04 18:17:13,391 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:17:13,400 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:17:14,593 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:17:14,759 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,761 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,763 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,765 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,781 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,807 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,808 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,810 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,811 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,814 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,815 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,816 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:14,817 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,235 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:17:15,238 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:17:15,241 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:17:15,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:17:15,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:17:15,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:17:15,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:17:15,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:17:15,249 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:17:15,250 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:17:15,429 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,440 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:17:15,575 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:17:15,594 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_array_list_push_back_harness.i[4498,4511] [2020-12-04 18:17:15,595 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_array_list_push_back_harness.i[4558,4571] [2020-12-04 18:17:15,598 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:17:15,599 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:17:15,646 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:17:15,718 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,719 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,720 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,720 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,726 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,757 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,760 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,787 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,788 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,792 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,793 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,793 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,794 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,894 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:17:15,898 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:17:15,900 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:17:15,901 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:17:15,902 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:17:15,904 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:17:15,908 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:17:15,909 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:17:15,910 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:17:15,911 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:17:15,974 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:15,980 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:17:16,018 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:17:17,480 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:17:17,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:17 WrapperNode [2020-12-04 18:17:17,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:17:17,484 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:17:17,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:17:17,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:17:17,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:17" (1/1) ... [2020-12-04 18:17:17,554 ERROR L1131 TypeChecker]: C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263]: Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] [2020-12-04 18:17:17,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:17:17" (1/1) ... [2020-12-04 18:17:17,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:17:17,622 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 18:17:17,626 INFO L168 Benchmark]: Toolchain (without parser) took 4797.52 ms. Allocated memory was 39.8 MB in the beginning and 96.5 MB in the end (delta: 56.6 MB). Free memory was 17.7 MB in the beginning and 20.4 MB in the end (delta: -2.7 MB). Peak memory consumption was 55.0 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:17,627 INFO L168 Benchmark]: CDTParser took 0.93 ms. Allocated memory is still 39.8 MB. Free memory was 24.3 MB in the beginning and 24.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:17:17,628 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4653.95 ms. Allocated memory was 39.8 MB in the beginning and 96.5 MB in the end (delta: 56.6 MB). Free memory was 17.5 MB in the beginning and 24.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 61.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:17,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 138.45 ms. Allocated memory is still 96.5 MB. Free memory was 24.6 MB in the beginning and 20.4 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:17:17,632 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93 ms. Allocated memory is still 39.8 MB. Free memory was 24.3 MB in the beginning and 24.2 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4653.95 ms. Allocated memory was 39.8 MB in the beginning and 96.5 MB in the end (delta: 56.6 MB). Free memory was 17.5 MB in the beginning and 24.6 MB in the end (delta: -7.1 MB). Peak memory consumption was 61.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 138.45 ms. Allocated memory is still 96.5 MB. Free memory was 24.6 MB in the beginning and 20.4 MB in the end (delta: 4.2 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: 263]: Type Error Type differs at parameter #res in Procedure[nondet_size_t,[],[],[VarList[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[#res],NamedType[C_ULONG,[]],null]],null,Body[C: unsigned long nondet_size_t() { return __VERIFIER_nondet_ulong(); } [263],[VariableDeclaration[[VarList[C: __VERIFIER_nondet_ulong() [263],[#t~nondet13],NamedType[C_ULONG,[]],null]]]],[AssignmentStatement[[VariableLHS[#res,]],[IdentifierExpression[#t~nondet13,]]],HavocStatement[[VariableLHS[#t~nondet13,]]],ReturnStatement]]] RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...