./Ultimate.py --spec /storage/repos/ultimate/trunk/examples/svcomp/properties/unreach-call.prp --file /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_trim_pred_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_byte_cursor_trim_pred_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 70cfebebe327797e87277484a570377f06806ce2 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_byte_cursor_trim_pred_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 70cfebebe327797e87277484a570377f06806ce2 .............................................................................................................................................................................................. 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 18:45:06,865 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:45:06,868 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:45:06,902 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:45:06,903 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:45:06,905 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:45:06,906 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:45:06,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:45:06,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:45:06,912 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:45:06,913 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:45:06,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:45:06,915 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:45:06,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:45:06,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:45:06,919 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:45:06,920 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:45:06,921 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:45:06,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:45:06,926 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:45:06,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:45:06,932 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:45:06,934 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:45:06,935 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:45:06,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:45:06,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:45:06,940 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:45:06,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:45:06,941 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:45:06,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:45:06,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:45:06,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:45:06,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:45:06,947 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:45:06,948 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:45:06,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:45:06,962 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:45:06,962 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:45:06,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:45:06,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:45:06,965 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:45:06,966 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-04 18:45:06,993 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:45:06,993 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:45:06,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:45:06,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:45:06,996 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:45:06,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:45:06,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-04 18:45:06,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:45:06,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:45:06,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:45:06,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:45:06,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:45:06,999 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:45:06,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:45:06,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:45:07,000 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:45:07,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:45:07,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:45:07,001 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:45:07,001 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:45:07,001 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:45:07,002 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-04 18:45:07,002 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-04 18:45:07,002 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:45:07,003 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:45:07,003 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70cfebebe327797e87277484a570377f06806ce2 [2020-12-04 18:45:07,444 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:45:07,473 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:45:07,476 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:45:07,478 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:45:07,478 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:45:07,479 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2020-12-04 18:45:07,550 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52712dfc/cc9b27a7c9a142ed8507dc6612efa0ea/FLAGab278a047 [2020-12-04 18:45:08,593 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:45:08,595 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2020-12-04 18:45:08,662 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52712dfc/cc9b27a7c9a142ed8507dc6612efa0ea/FLAGab278a047 [2020-12-04 18:45:08,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b52712dfc/cc9b27a7c9a142ed8507dc6612efa0ea [2020-12-04 18:45:08,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:45:08,972 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:45:08,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:45:08,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:45:08,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:45:08,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:08" (1/1) ... [2020-12-04 18:45:08,987 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e7abe99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:08, skipping insertion in model container [2020-12-04 18:45:08,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:45:08" (1/1) ... [2020-12-04 18:45:08,999 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:45:09,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:45:09,391 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_byte_cursor_trim_pred_harness.i[4499,4512] [2020-12-04 18:45:09,398 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_byte_cursor_trim_pred_harness.i[4559,4572] [2020-12-04 18:45:09,424 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:45:09,442 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:45:10,250 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,251 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,252 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,253 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,254 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,268 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,269 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,270 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,271 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,632 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:45:10,652 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:45:10,654 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:45:10,656 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:45:10,658 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:45:10,659 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:45:10,659 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:45:10,660 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:45:10,661 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:45:10,662 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:45:10,811 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:45:10,924 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:10,925 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:45:11,094 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:45:11,110 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_byte_cursor_trim_pred_harness.i[4499,4512] [2020-12-04 18:45:11,111 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_byte_cursor_trim_pred_harness.i[4559,4572] [2020-12-04 18:45:11,113 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:45:11,114 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:45:11,155 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,160 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,161 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,161 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,163 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,175 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,177 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,178 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,180 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,243 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:45:11,244 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:45:11,245 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:45:11,246 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:45:11,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:45:11,247 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:45:11,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:45:11,248 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:45:11,249 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:45:11,250 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:45:11,274 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:45:11,332 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,335 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:45:11,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:45:12,512 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:45:12,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12 WrapperNode [2020-12-04 18:45:12,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:45:12,515 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:45:12,515 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:45:12,515 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:45:12,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,675 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,805 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:45:12,806 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-04 18:45:12,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-04 18:45:12,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-04 18:45:12,820 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,834 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,893 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,912 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (1/1) ... [2020-12-04 18:45:12,989 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-04 18:45:12,993 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-04 18:45:12,993 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-04 18:45:12,993 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-04 18:45:12,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (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 18:45:13,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-04 18:45:13,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-04 18:45:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-04 18:45:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-04 18:45:13,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-04 18:45:13,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-04 18:45:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-04 18:45:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-04 18:45:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-04 18:45:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-04 18:45:13,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-04 18:45:22,692 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-04 18:45:22,693 INFO L299 CfgBuilder]: Removed 98 assume(true) statements. [2020-12-04 18:45:22,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:45:22 BoogieIcfgContainer [2020-12-04 18:45:22,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-04 18:45:22,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-04 18:45:22,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-04 18:45:22,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-04 18:45:22,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.12 06:45:08" (1/3) ... [2020-12-04 18:45:22,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa81b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:45:22, skipping insertion in model container [2020-12-04 18:45:22,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:45:12" (2/3) ... [2020-12-04 18:45:22,703 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3aa81b51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.12 06:45:22, skipping insertion in model container [2020-12-04 18:45:22,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.12 06:45:22" (3/3) ... [2020-12-04 18:45:22,705 INFO L111 eAbstractionObserver]: Analyzing ICFG aws_byte_cursor_trim_pred_harness.i [2020-12-04 18:45:22,720 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-04 18:45:22,725 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2020-12-04 18:45:22,738 INFO L253 AbstractCegarLoop]: Starting to check reachability of 9 error locations. [2020-12-04 18:45:22,766 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-04 18:45:22,766 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-04 18:45:22,766 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-04 18:45:22,766 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-04 18:45:22,767 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-04 18:45:22,767 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-04 18:45:22,767 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-04 18:45:22,767 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-04 18:45:22,789 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states. [2020-12-04 18:45:22,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-12-04 18:45:22,797 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:22,798 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] [2020-12-04 18:45:22,798 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:22,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:22,805 INFO L82 PathProgramCache]: Analyzing trace with hash 421514890, now seen corresponding path program 1 times [2020-12-04 18:45:22,815 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:22,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096859260] [2020-12-04 18:45:22,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:23,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:23,601 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 18:45:23,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096859260] [2020-12-04 18:45:23,603 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:23,603 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-04 18:45:23,604 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954205524] [2020-12-04 18:45:23,609 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-04 18:45:23,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:23,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-04 18:45:23,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-04 18:45:23,630 INFO L87 Difference]: Start difference. First operand 222 states. Second operand 2 states. [2020-12-04 18:45:23,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:23,676 INFO L93 Difference]: Finished difference Result 440 states and 615 transitions. [2020-12-04 18:45:23,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-04 18:45:23,678 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 37 [2020-12-04 18:45:23,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:23,696 INFO L225 Difference]: With dead ends: 440 [2020-12-04 18:45:23,698 INFO L226 Difference]: Without dead ends: 215 [2020-12-04 18:45:23,709 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 18:45:23,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-04 18:45:23,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-12-04 18:45:23,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-12-04 18:45:23,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 280 transitions. [2020-12-04 18:45:23,793 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 280 transitions. Word has length 37 [2020-12-04 18:45:23,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:23,793 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 280 transitions. [2020-12-04 18:45:23,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-04 18:45:23,794 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 280 transitions. [2020-12-04 18:45:23,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-12-04 18:45:23,796 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:23,796 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] [2020-12-04 18:45:23,796 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-04 18:45:23,797 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:23,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:23,798 INFO L82 PathProgramCache]: Analyzing trace with hash -664833379, now seen corresponding path program 1 times [2020-12-04 18:45:23,798 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:23,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594521243] [2020-12-04 18:45:23,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:23,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:24,230 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 18:45:24,232 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594521243] [2020-12-04 18:45:24,233 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:24,233 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:45:24,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647800620] [2020-12-04 18:45:24,241 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:45:24,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:24,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:45:24,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:45:24,243 INFO L87 Difference]: Start difference. First operand 215 states and 280 transitions. Second operand 4 states. [2020-12-04 18:45:24,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:24,468 INFO L93 Difference]: Finished difference Result 409 states and 533 transitions. [2020-12-04 18:45:24,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:45:24,469 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 39 [2020-12-04 18:45:24,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:24,471 INFO L225 Difference]: With dead ends: 409 [2020-12-04 18:45:24,472 INFO L226 Difference]: Without dead ends: 215 [2020-12-04 18:45:24,474 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 18:45:24,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-04 18:45:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-12-04 18:45:24,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-12-04 18:45:24,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 277 transitions. [2020-12-04 18:45:24,493 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 277 transitions. Word has length 39 [2020-12-04 18:45:24,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:24,494 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 277 transitions. [2020-12-04 18:45:24,494 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:45:24,495 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 277 transitions. [2020-12-04 18:45:24,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-12-04 18:45:24,499 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:24,499 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] [2020-12-04 18:45:24,500 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-04 18:45:24,500 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:24,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:24,502 INFO L82 PathProgramCache]: Analyzing trace with hash -2046081283, now seen corresponding path program 1 times [2020-12-04 18:45:24,502 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:24,503 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569660038] [2020-12-04 18:45:24,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:25,034 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 18:45:25,035 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569660038] [2020-12-04 18:45:25,035 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:25,036 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:45:25,037 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267902459] [2020-12-04 18:45:25,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:45:25,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:25,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:45:25,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:45:25,044 INFO L87 Difference]: Start difference. First operand 215 states and 277 transitions. Second operand 7 states. [2020-12-04 18:45:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:25,305 INFO L93 Difference]: Finished difference Result 376 states and 485 transitions. [2020-12-04 18:45:25,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-04 18:45:25,305 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2020-12-04 18:45:25,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:25,308 INFO L225 Difference]: With dead ends: 376 [2020-12-04 18:45:25,308 INFO L226 Difference]: Without dead ends: 215 [2020-12-04 18:45:25,312 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:45:25,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-04 18:45:25,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-12-04 18:45:25,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-12-04 18:45:25,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 275 transitions. [2020-12-04 18:45:25,340 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 275 transitions. Word has length 43 [2020-12-04 18:45:25,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:25,341 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 275 transitions. [2020-12-04 18:45:25,343 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:45:25,343 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 275 transitions. [2020-12-04 18:45:25,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-04 18:45:25,345 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:25,345 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] [2020-12-04 18:45:25,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-04 18:45:25,346 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:25,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:25,349 INFO L82 PathProgramCache]: Analyzing trace with hash 226547298, now seen corresponding path program 1 times [2020-12-04 18:45:25,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:25,349 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203867738] [2020-12-04 18:45:25,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:25,783 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 18:45:25,784 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203867738] [2020-12-04 18:45:25,784 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:25,784 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:45:25,785 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750197008] [2020-12-04 18:45:25,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:45:25,785 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:25,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:45:25,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:45:25,788 INFO L87 Difference]: Start difference. First operand 215 states and 275 transitions. Second operand 8 states. [2020-12-04 18:45:26,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:26,098 INFO L93 Difference]: Finished difference Result 355 states and 454 transitions. [2020-12-04 18:45:26,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:45:26,099 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-12-04 18:45:26,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:26,101 INFO L225 Difference]: With dead ends: 355 [2020-12-04 18:45:26,101 INFO L226 Difference]: Without dead ends: 215 [2020-12-04 18:45:26,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2020-12-04 18:45:26,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-12-04 18:45:26,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2020-12-04 18:45:26,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-12-04 18:45:26,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 274 transitions. [2020-12-04 18:45:26,125 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 274 transitions. Word has length 45 [2020-12-04 18:45:26,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:26,127 INFO L481 AbstractCegarLoop]: Abstraction has 215 states and 274 transitions. [2020-12-04 18:45:26,127 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:45:26,128 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 274 transitions. [2020-12-04 18:45:26,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-12-04 18:45:26,131 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:26,132 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] [2020-12-04 18:45:26,132 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-04 18:45:26,132 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:26,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:26,133 INFO L82 PathProgramCache]: Analyzing trace with hash 1272350845, now seen corresponding path program 1 times [2020-12-04 18:45:26,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:26,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752661821] [2020-12-04 18:45:26,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:26,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:26,896 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 18:45:26,896 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752661821] [2020-12-04 18:45:26,896 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:26,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-12-04 18:45:26,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953921302] [2020-12-04 18:45:26,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-04 18:45:26,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:26,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-04 18:45:26,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:45:26,904 INFO L87 Difference]: Start difference. First operand 215 states and 274 transitions. Second operand 6 states. [2020-12-04 18:45:27,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:27,825 INFO L93 Difference]: Finished difference Result 454 states and 559 transitions. [2020-12-04 18:45:27,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:45:27,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2020-12-04 18:45:27,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:27,829 INFO L225 Difference]: With dead ends: 454 [2020-12-04 18:45:27,829 INFO L226 Difference]: Without dead ends: 438 [2020-12-04 18:45:27,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:45:27,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2020-12-04 18:45:27,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 247. [2020-12-04 18:45:27,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-12-04 18:45:27,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 306 transitions. [2020-12-04 18:45:27,843 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 306 transitions. Word has length 47 [2020-12-04 18:45:27,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:27,844 INFO L481 AbstractCegarLoop]: Abstraction has 247 states and 306 transitions. [2020-12-04 18:45:27,844 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-04 18:45:27,844 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 306 transitions. [2020-12-04 18:45:27,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-04 18:45:27,846 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:27,846 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] [2020-12-04 18:45:27,846 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-04 18:45:27,847 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:27,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:27,847 INFO L82 PathProgramCache]: Analyzing trace with hash 100438901, now seen corresponding path program 1 times [2020-12-04 18:45:27,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:27,848 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243011269] [2020-12-04 18:45:27,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:28,953 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 18:45:28,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243011269] [2020-12-04 18:45:28,957 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:28,958 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:45:28,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055224303] [2020-12-04 18:45:28,959 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:45:28,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:28,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:45:28,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:45:28,962 INFO L87 Difference]: Start difference. First operand 247 states and 306 transitions. Second operand 10 states. [2020-12-04 18:45:40,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:40,400 INFO L93 Difference]: Finished difference Result 847 states and 1044 transitions. [2020-12-04 18:45:40,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:45:40,410 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 51 [2020-12-04 18:45:40,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:40,422 INFO L225 Difference]: With dead ends: 847 [2020-12-04 18:45:40,422 INFO L226 Difference]: Without dead ends: 626 [2020-12-04 18:45:40,425 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=349, Unknown=0, NotChecked=0, Total=506 [2020-12-04 18:45:40,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2020-12-04 18:45:40,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 517. [2020-12-04 18:45:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-12-04 18:45:40,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 650 transitions. [2020-12-04 18:45:40,473 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 650 transitions. Word has length 51 [2020-12-04 18:45:40,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:40,477 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 650 transitions. [2020-12-04 18:45:40,477 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:45:40,477 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 650 transitions. [2020-12-04 18:45:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-04 18:45:40,484 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:40,484 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] [2020-12-04 18:45:40,485 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-04 18:45:40,485 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:40,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:40,486 INFO L82 PathProgramCache]: Analyzing trace with hash 2135201165, now seen corresponding path program 1 times [2020-12-04 18:45:40,486 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:40,487 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746085750] [2020-12-04 18:45:40,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:40,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:40,815 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 18:45:40,817 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746085750] [2020-12-04 18:45:40,817 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:40,818 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:45:40,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [114967017] [2020-12-04 18:45:40,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:45:40,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:40,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:45:40,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:45:40,822 INFO L87 Difference]: Start difference. First operand 517 states and 650 transitions. Second operand 4 states. [2020-12-04 18:45:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:41,029 INFO L93 Difference]: Finished difference Result 827 states and 1045 transitions. [2020-12-04 18:45:41,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:45:41,031 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-12-04 18:45:41,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:41,035 INFO L225 Difference]: With dead ends: 827 [2020-12-04 18:45:41,036 INFO L226 Difference]: Without dead ends: 517 [2020-12-04 18:45:41,037 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 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 18:45:41,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2020-12-04 18:45:41,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2020-12-04 18:45:41,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-12-04 18:45:41,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 647 transitions. [2020-12-04 18:45:41,064 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 647 transitions. Word has length 52 [2020-12-04 18:45:41,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:41,064 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 647 transitions. [2020-12-04 18:45:41,064 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:45:41,065 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 647 transitions. [2020-12-04 18:45:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-04 18:45:41,067 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:41,067 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-04 18:45:41,067 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-04 18:45:41,068 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:41,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:41,068 INFO L82 PathProgramCache]: Analyzing trace with hash 787623073, now seen corresponding path program 1 times [2020-12-04 18:45:41,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:41,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358352978] [2020-12-04 18:45:41,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:41,346 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:45:41,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358352978] [2020-12-04 18:45:41,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:41,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-04 18:45:41,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696800291] [2020-12-04 18:45:41,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-04 18:45:41,348 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:41,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-04 18:45:41,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-04 18:45:41,349 INFO L87 Difference]: Start difference. First operand 517 states and 647 transitions. Second operand 3 states. [2020-12-04 18:45:41,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:41,390 INFO L93 Difference]: Finished difference Result 707 states and 884 transitions. [2020-12-04 18:45:41,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-04 18:45:41,392 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2020-12-04 18:45:41,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:41,397 INFO L225 Difference]: With dead ends: 707 [2020-12-04 18:45:41,397 INFO L226 Difference]: Without dead ends: 520 [2020-12-04 18:45:41,398 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 18:45:41,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-12-04 18:45:41,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 520. [2020-12-04 18:45:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-12-04 18:45:41,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 650 transitions. [2020-12-04 18:45:41,425 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 650 transitions. Word has length 54 [2020-12-04 18:45:41,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:41,427 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 650 transitions. [2020-12-04 18:45:41,427 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-04 18:45:41,427 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 650 transitions. [2020-12-04 18:45:41,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-04 18:45:41,428 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:41,428 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] [2020-12-04 18:45:41,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-04 18:45:41,429 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:41,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:41,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1742174083, now seen corresponding path program 1 times [2020-12-04 18:45:41,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:41,430 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957344417] [2020-12-04 18:45:41,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:42,236 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 18:45:42,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957344417] [2020-12-04 18:45:42,237 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:42,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-04 18:45:42,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316472634] [2020-12-04 18:45:42,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-04 18:45:42,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:42,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-04 18:45:42,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-04 18:45:42,239 INFO L87 Difference]: Start difference. First operand 520 states and 650 transitions. Second operand 7 states. [2020-12-04 18:45:43,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:43,345 INFO L93 Difference]: Finished difference Result 1125 states and 1376 transitions. [2020-12-04 18:45:43,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-04 18:45:43,346 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-12-04 18:45:43,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:43,349 INFO L225 Difference]: With dead ends: 1125 [2020-12-04 18:45:43,349 INFO L226 Difference]: Without dead ends: 660 [2020-12-04 18:45:43,350 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:45:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2020-12-04 18:45:43,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 520. [2020-12-04 18:45:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 520 states. [2020-12-04 18:45:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 640 transitions. [2020-12-04 18:45:43,381 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 640 transitions. Word has length 55 [2020-12-04 18:45:43,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:43,381 INFO L481 AbstractCegarLoop]: Abstraction has 520 states and 640 transitions. [2020-12-04 18:45:43,381 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-04 18:45:43,382 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 640 transitions. [2020-12-04 18:45:43,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-12-04 18:45:43,383 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:43,383 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:45:43,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-04 18:45:43,383 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:43,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:43,384 INFO L82 PathProgramCache]: Analyzing trace with hash 278277693, now seen corresponding path program 1 times [2020-12-04 18:45:43,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:43,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [7582451] [2020-12-04 18:45:43,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:44,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 18:45:44,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [7582451] [2020-12-04 18:45:44,498 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:44,498 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:45:44,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044562406] [2020-12-04 18:45:44,499 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:45:44,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:44,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:45:44,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:45:44,501 INFO L87 Difference]: Start difference. First operand 520 states and 640 transitions. Second operand 10 states. [2020-12-04 18:45:55,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:55,248 INFO L93 Difference]: Finished difference Result 916 states and 1110 transitions. [2020-12-04 18:45:55,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-12-04 18:45:55,249 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-12-04 18:45:55,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:55,253 INFO L225 Difference]: With dead ends: 916 [2020-12-04 18:45:55,253 INFO L226 Difference]: Without dead ends: 616 [2020-12-04 18:45:55,255 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=94, Invalid=248, Unknown=0, NotChecked=0, Total=342 [2020-12-04 18:45:55,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 616 states. [2020-12-04 18:45:55,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 616 to 517. [2020-12-04 18:45:55,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-12-04 18:45:55,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 635 transitions. [2020-12-04 18:45:55,281 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 635 transitions. Word has length 56 [2020-12-04 18:45:55,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:55,281 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 635 transitions. [2020-12-04 18:45:55,281 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:45:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 635 transitions. [2020-12-04 18:45:55,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-04 18:45:55,283 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:55,283 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] [2020-12-04 18:45:55,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-04 18:45:55,283 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:55,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:55,284 INFO L82 PathProgramCache]: Analyzing trace with hash -203806622, now seen corresponding path program 1 times [2020-12-04 18:45:55,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:55,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [258647169] [2020-12-04 18:45:55,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:55,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:45:55,815 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 18:45:55,815 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [258647169] [2020-12-04 18:45:55,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:45:55,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:45:55,816 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824898987] [2020-12-04 18:45:55,817 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:45:55,817 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:45:55,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:45:55,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:45:55,818 INFO L87 Difference]: Start difference. First operand 517 states and 635 transitions. Second operand 5 states. [2020-12-04 18:45:59,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:45:59,111 INFO L93 Difference]: Finished difference Result 1103 states and 1345 transitions. [2020-12-04 18:45:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:45:59,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 57 [2020-12-04 18:45:59,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:45:59,117 INFO L225 Difference]: With dead ends: 1103 [2020-12-04 18:45:59,117 INFO L226 Difference]: Without dead ends: 650 [2020-12-04 18:45:59,118 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-12-04 18:45:59,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 650 states. [2020-12-04 18:45:59,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 650 to 517. [2020-12-04 18:45:59,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 517 states. [2020-12-04 18:45:59,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 611 transitions. [2020-12-04 18:45:59,152 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 611 transitions. Word has length 57 [2020-12-04 18:45:59,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:45:59,153 INFO L481 AbstractCegarLoop]: Abstraction has 517 states and 611 transitions. [2020-12-04 18:45:59,153 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:45:59,153 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 611 transitions. [2020-12-04 18:45:59,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-04 18:45:59,154 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:45:59,154 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] [2020-12-04 18:45:59,154 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-04 18:45:59,155 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:45:59,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:45:59,155 INFO L82 PathProgramCache]: Analyzing trace with hash -1101199900, now seen corresponding path program 1 times [2020-12-04 18:45:59,156 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:45:59,156 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523488542] [2020-12-04 18:45:59,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:45:59,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:00,038 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 18:46:00,039 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523488542] [2020-12-04 18:46:00,039 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:00,039 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:46:00,039 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685931057] [2020-12-04 18:46:00,040 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:46:00,040 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:00,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:46:00,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:46:00,041 INFO L87 Difference]: Start difference. First operand 517 states and 611 transitions. Second operand 9 states. [2020-12-04 18:46:14,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:14,666 INFO L93 Difference]: Finished difference Result 1640 states and 1921 transitions. [2020-12-04 18:46:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-12-04 18:46:14,668 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-12-04 18:46:14,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:14,674 INFO L225 Difference]: With dead ends: 1640 [2020-12-04 18:46:14,674 INFO L226 Difference]: Without dead ends: 1304 [2020-12-04 18:46:14,676 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=242, Invalid=570, Unknown=0, NotChecked=0, Total=812 [2020-12-04 18:46:14,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1304 states. [2020-12-04 18:46:14,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1304 to 513. [2020-12-04 18:46:14,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-12-04 18:46:14,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 603 transitions. [2020-12-04 18:46:14,707 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 603 transitions. Word has length 57 [2020-12-04 18:46:14,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:14,707 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 603 transitions. [2020-12-04 18:46:14,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:46:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 603 transitions. [2020-12-04 18:46:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-12-04 18:46:14,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:14,709 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] [2020-12-04 18:46:14,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-04 18:46:14,709 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:14,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:14,710 INFO L82 PathProgramCache]: Analyzing trace with hash -746731616, now seen corresponding path program 1 times [2020-12-04 18:46:14,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:14,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1056499797] [2020-12-04 18:46:14,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:15,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:15,775 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 18:46:15,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1056499797] [2020-12-04 18:46:15,776 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:15,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 18:46:15,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843508108] [2020-12-04 18:46:15,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:46:15,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:15,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:46:15,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:46:15,778 INFO L87 Difference]: Start difference. First operand 513 states and 603 transitions. Second operand 11 states. [2020-12-04 18:46:29,596 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-04 18:46:30,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:30,188 INFO L93 Difference]: Finished difference Result 913 states and 1066 transitions. [2020-12-04 18:46:30,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-12-04 18:46:30,191 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 58 [2020-12-04 18:46:30,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:30,195 INFO L225 Difference]: With dead ends: 913 [2020-12-04 18:46:30,195 INFO L226 Difference]: Without dead ends: 689 [2020-12-04 18:46:30,196 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=186, Invalid=464, Unknown=0, NotChecked=0, Total=650 [2020-12-04 18:46:30,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 689 states. [2020-12-04 18:46:30,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 689 to 524. [2020-12-04 18:46:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2020-12-04 18:46:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 614 transitions. [2020-12-04 18:46:30,222 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 614 transitions. Word has length 58 [2020-12-04 18:46:30,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:30,222 INFO L481 AbstractCegarLoop]: Abstraction has 524 states and 614 transitions. [2020-12-04 18:46:30,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:46:30,223 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 614 transitions. [2020-12-04 18:46:30,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-12-04 18:46:30,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:30,224 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:46:30,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-04 18:46:30,224 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:30,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:30,225 INFO L82 PathProgramCache]: Analyzing trace with hash -636032722, now seen corresponding path program 1 times [2020-12-04 18:46:30,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:30,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002423848] [2020-12-04 18:46:30,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:31,464 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-12-04 18:46:31,465 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002423848] [2020-12-04 18:46:31,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:31,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:46:31,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595363976] [2020-12-04 18:46:31,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:46:31,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:31,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:46:31,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:46:31,467 INFO L87 Difference]: Start difference. First operand 524 states and 614 transitions. Second operand 9 states. [2020-12-04 18:46:45,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:46:45,907 INFO L93 Difference]: Finished difference Result 1500 states and 1743 transitions. [2020-12-04 18:46:45,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-12-04 18:46:45,910 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-12-04 18:46:45,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:46:45,916 INFO L225 Difference]: With dead ends: 1500 [2020-12-04 18:46:45,916 INFO L226 Difference]: Without dead ends: 1200 [2020-12-04 18:46:45,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=163, Invalid=389, Unknown=0, NotChecked=0, Total=552 [2020-12-04 18:46:45,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1200 states. [2020-12-04 18:46:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1200 to 521. [2020-12-04 18:46:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2020-12-04 18:46:45,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 609 transitions. [2020-12-04 18:46:45,948 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 609 transitions. Word has length 62 [2020-12-04 18:46:45,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:46:45,948 INFO L481 AbstractCegarLoop]: Abstraction has 521 states and 609 transitions. [2020-12-04 18:46:45,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:46:45,949 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 609 transitions. [2020-12-04 18:46:45,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-12-04 18:46:45,950 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:46:45,950 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] [2020-12-04 18:46:45,950 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-04 18:46:45,950 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:46:45,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:46:45,951 INFO L82 PathProgramCache]: Analyzing trace with hash 1187581333, now seen corresponding path program 1 times [2020-12-04 18:46:45,951 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:46:45,952 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1715087361] [2020-12-04 18:46:45,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:46:46,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:46:46,847 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 18:46:46,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1715087361] [2020-12-04 18:46:46,848 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:46:46,848 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:46:46,848 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696169457] [2020-12-04 18:46:46,849 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:46:46,849 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:46:46,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:46:46,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:46:46,850 INFO L87 Difference]: Start difference. First operand 521 states and 609 transitions. Second operand 9 states. [2020-12-04 18:47:01,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:47:01,275 INFO L93 Difference]: Finished difference Result 1544 states and 1811 transitions. [2020-12-04 18:47:01,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-12-04 18:47:01,279 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-12-04 18:47:01,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:47:01,285 INFO L225 Difference]: With dead ends: 1544 [2020-12-04 18:47:01,285 INFO L226 Difference]: Without dead ends: 1266 [2020-12-04 18:47:01,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=123, Invalid=257, Unknown=0, NotChecked=0, Total=380 [2020-12-04 18:47:01,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1266 states. [2020-12-04 18:47:01,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1266 to 522. [2020-12-04 18:47:01,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2020-12-04 18:47:01,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 609 transitions. [2020-12-04 18:47:01,321 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 609 transitions. Word has length 63 [2020-12-04 18:47:01,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:47:01,322 INFO L481 AbstractCegarLoop]: Abstraction has 522 states and 609 transitions. [2020-12-04 18:47:01,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:47:01,322 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 609 transitions. [2020-12-04 18:47:01,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-12-04 18:47:01,323 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:47:01,323 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] [2020-12-04 18:47:01,323 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-04 18:47:01,324 INFO L429 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:47:01,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:47:01,324 INFO L82 PathProgramCache]: Analyzing trace with hash 1069255249, now seen corresponding path program 1 times [2020-12-04 18:47:01,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:47:01,325 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1858193164] [2020-12-04 18:47:01,325 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:47:01,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:47:02,338 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 18:47:02,343 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1858193164] [2020-12-04 18:47:02,346 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:47:02,346 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-12-04 18:47:02,348 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614014688] [2020-12-04 18:47:02,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-12-04 18:47:02,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:47:02,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-12-04 18:47:02,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-12-04 18:47:02,350 INFO L87 Difference]: Start difference. First operand 522 states and 609 transitions. Second operand 10 states. [2020-12-04 18:47:22,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:47:22,089 INFO L93 Difference]: Finished difference Result 1418 states and 1638 transitions. [2020-12-04 18:47:22,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-12-04 18:47:22,093 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-12-04 18:47:22,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:47:22,099 INFO L225 Difference]: With dead ends: 1418 [2020-12-04 18:47:22,099 INFO L226 Difference]: Without dead ends: 1194 [2020-12-04 18:47:22,100 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 266 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=328, Invalid=794, Unknown=0, NotChecked=0, Total=1122 [2020-12-04 18:47:22,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1194 states. [2020-12-04 18:47:22,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1194 to 483. [2020-12-04 18:47:22,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2020-12-04 18:47:22,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 566 transitions. [2020-12-04 18:47:22,131 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 566 transitions. Word has length 64 [2020-12-04 18:47:22,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:47:22,132 INFO L481 AbstractCegarLoop]: Abstraction has 483 states and 566 transitions. [2020-12-04 18:47:22,132 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-12-04 18:47:22,132 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 566 transitions. [2020-12-04 18:47:22,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-12-04 18:47:22,133 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:47:22,133 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] [2020-12-04 18:47:22,133 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-12-04 18:47:22,134 INFO L429 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:47:22,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:47:22,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1140574585, now seen corresponding path program 1 times [2020-12-04 18:47:22,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:47:22,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093915564] [2020-12-04 18:47:22,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:47:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:47:23,079 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 18:47:23,080 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093915564] [2020-12-04 18:47:23,080 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:47:23,080 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-12-04 18:47:23,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255899390] [2020-12-04 18:47:23,082 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-12-04 18:47:23,082 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:47:23,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-12-04 18:47:23,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-12-04 18:47:23,083 INFO L87 Difference]: Start difference. First operand 483 states and 566 transitions. Second operand 8 states. [2020-12-04 18:47:37,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:47:37,417 INFO L93 Difference]: Finished difference Result 1226 states and 1429 transitions. [2020-12-04 18:47:37,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:47:37,421 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 65 [2020-12-04 18:47:37,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:47:37,426 INFO L225 Difference]: With dead ends: 1226 [2020-12-04 18:47:37,426 INFO L226 Difference]: Without dead ends: 932 [2020-12-04 18:47:37,427 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=120, Invalid=260, Unknown=0, NotChecked=0, Total=380 [2020-12-04 18:47:37,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 932 states. [2020-12-04 18:47:37,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 932 to 474. [2020-12-04 18:47:37,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 474 states. [2020-12-04 18:47:37,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 556 transitions. [2020-12-04 18:47:37,458 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 556 transitions. Word has length 65 [2020-12-04 18:47:37,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:47:37,459 INFO L481 AbstractCegarLoop]: Abstraction has 474 states and 556 transitions. [2020-12-04 18:47:37,459 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-12-04 18:47:37,459 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 556 transitions. [2020-12-04 18:47:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-12-04 18:47:37,460 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:47:37,460 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] [2020-12-04 18:47:37,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-12-04 18:47:37,461 INFO L429 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:47:37,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:47:37,461 INFO L82 PathProgramCache]: Analyzing trace with hash 2016509576, now seen corresponding path program 1 times [2020-12-04 18:47:37,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:47:37,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073210169] [2020-12-04 18:47:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:47:41,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:47:42,057 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 18:47:42,057 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073210169] [2020-12-04 18:47:42,057 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:47:42,057 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-12-04 18:47:42,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [141986211] [2020-12-04 18:47:42,058 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-12-04 18:47:42,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:47:42,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-12-04 18:47:42,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:47:42,059 INFO L87 Difference]: Start difference. First operand 474 states and 556 transitions. Second operand 9 states. [2020-12-04 18:47:47,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:47:47,179 INFO L93 Difference]: Finished difference Result 1091 states and 1273 transitions. [2020-12-04 18:47:47,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:47:47,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 71 [2020-12-04 18:47:47,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:47:47,189 INFO L225 Difference]: With dead ends: 1091 [2020-12-04 18:47:47,189 INFO L226 Difference]: Without dead ends: 640 [2020-12-04 18:47:47,191 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:47:47,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 640 states. [2020-12-04 18:47:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 640 to 478. [2020-12-04 18:47:47,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-12-04 18:47:47,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 560 transitions. [2020-12-04 18:47:47,222 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 560 transitions. Word has length 71 [2020-12-04 18:47:47,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:47:47,222 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 560 transitions. [2020-12-04 18:47:47,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-12-04 18:47:47,222 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 560 transitions. [2020-12-04 18:47:47,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-04 18:47:47,223 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:47:47,224 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] [2020-12-04 18:47:47,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-12-04 18:47:47,224 INFO L429 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:47:47,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:47:47,225 INFO L82 PathProgramCache]: Analyzing trace with hash -922656660, now seen corresponding path program 1 times [2020-12-04 18:47:47,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:47:47,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775051937] [2020-12-04 18:47:47,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:47:47,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:47:47,572 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 18:47:47,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775051937] [2020-12-04 18:47:47,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:47:47,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-04 18:47:47,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132126263] [2020-12-04 18:47:47,576 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-04 18:47:47,576 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:47:47,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-04 18:47:47,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:47:47,578 INFO L87 Difference]: Start difference. First operand 478 states and 560 transitions. Second operand 5 states. [2020-12-04 18:47:48,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:47:48,180 INFO L93 Difference]: Finished difference Result 659 states and 775 transitions. [2020-12-04 18:47:48,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-04 18:47:48,185 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-04 18:47:48,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:47:48,188 INFO L225 Difference]: With dead ends: 659 [2020-12-04 18:47:48,188 INFO L226 Difference]: Without dead ends: 478 [2020-12-04 18:47:48,189 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-04 18:47:48,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2020-12-04 18:47:48,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 478. [2020-12-04 18:47:48,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-12-04 18:47:48,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 557 transitions. [2020-12-04 18:47:48,222 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 557 transitions. Word has length 73 [2020-12-04 18:47:48,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:47:48,222 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 557 transitions. [2020-12-04 18:47:48,222 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-04 18:47:48,223 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 557 transitions. [2020-12-04 18:47:48,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-12-04 18:47:48,224 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:47:48,224 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] [2020-12-04 18:47:48,224 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-12-04 18:47:48,224 INFO L429 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:47:48,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:47:48,225 INFO L82 PathProgramCache]: Analyzing trace with hash 1468434995, now seen corresponding path program 1 times [2020-12-04 18:47:48,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:47:48,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287856764] [2020-12-04 18:47:48,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:47:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:47:51,593 WARN L197 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 22 [2020-12-04 18:47:51,767 WARN L197 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 21 [2020-12-04 18:47:52,064 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-04 18:47:52,363 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 36 [2020-12-04 18:47:52,720 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2020-12-04 18:47:53,012 WARN L197 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 21 [2020-12-04 18:47:53,037 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 18:47:53,038 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287856764] [2020-12-04 18:47:53,038 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:47:53,038 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-12-04 18:47:53,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348601345] [2020-12-04 18:47:53,039 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-12-04 18:47:53,039 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:47:53,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-12-04 18:47:53,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2020-12-04 18:47:53,040 INFO L87 Difference]: Start difference. First operand 478 states and 557 transitions. Second operand 12 states. [2020-12-04 18:47:57,745 WARN L197 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2020-12-04 18:47:57,988 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 24 [2020-12-04 18:47:58,255 WARN L197 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2020-12-04 18:47:58,666 WARN L197 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-04 18:47:58,888 WARN L197 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-04 18:47:59,380 WARN L197 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2020-12-04 18:47:59,661 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2020-12-04 18:48:00,050 WARN L197 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2020-12-04 18:48:00,352 WARN L197 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 40 [2020-12-04 18:48:00,720 WARN L197 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 55 [2020-12-04 18:48:01,214 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 58 [2020-12-04 18:48:01,624 WARN L197 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-04 18:48:06,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:48:06,522 INFO L93 Difference]: Finished difference Result 1275 states and 1480 transitions. [2020-12-04 18:48:06,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-12-04 18:48:06,528 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 74 [2020-12-04 18:48:06,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:48:06,532 INFO L225 Difference]: With dead ends: 1275 [2020-12-04 18:48:06,533 INFO L226 Difference]: Without dead ends: 839 [2020-12-04 18:48:06,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=221, Invalid=481, Unknown=0, NotChecked=0, Total=702 [2020-12-04 18:48:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2020-12-04 18:48:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 478. [2020-12-04 18:48:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2020-12-04 18:48:06,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 556 transitions. [2020-12-04 18:48:06,569 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 556 transitions. Word has length 74 [2020-12-04 18:48:06,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:48:06,569 INFO L481 AbstractCegarLoop]: Abstraction has 478 states and 556 transitions. [2020-12-04 18:48:06,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-12-04 18:48:06,570 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 556 transitions. [2020-12-04 18:48:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-04 18:48:06,571 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:48:06,571 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 18:48:06,571 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-12-04 18:48:06,572 INFO L429 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:48:06,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:48:06,572 INFO L82 PathProgramCache]: Analyzing trace with hash -1698063400, now seen corresponding path program 1 times [2020-12-04 18:48:06,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:48:06,573 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616634301] [2020-12-04 18:48:06,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:48:11,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:48:13,289 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 18:48:13,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616634301] [2020-12-04 18:48:13,290 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:48:13,290 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-12-04 18:48:13,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372940521] [2020-12-04 18:48:13,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-12-04 18:48:13,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:48:13,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-12-04 18:48:13,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-12-04 18:48:13,293 INFO L87 Difference]: Start difference. First operand 478 states and 556 transitions. Second operand 20 states. [2020-12-04 18:48:33,360 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-12-04 18:48:34,074 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2020-12-04 18:48:34,637 WARN L197 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-04 18:48:34,893 WARN L197 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2020-12-04 18:48:35,441 WARN L197 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 34 [2020-12-04 18:48:36,063 WARN L197 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2020-12-04 18:48:37,105 WARN L197 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 41 [2020-12-04 18:48:37,681 WARN L197 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-04 18:48:38,156 WARN L197 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-04 18:48:38,562 WARN L197 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2020-12-04 18:48:39,272 WARN L197 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2020-12-04 18:48:40,146 WARN L197 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-04 18:48:40,585 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 50 [2020-12-04 18:48:41,024 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 49 [2020-12-04 18:48:41,339 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2020-12-04 18:48:42,036 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2020-12-04 18:48:43,141 WARN L197 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2020-12-04 18:48:43,625 WARN L197 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 54 [2020-12-04 18:48:43,911 WARN L197 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2020-12-04 18:48:44,285 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-04 18:48:44,789 WARN L197 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-12-04 18:48:45,501 WARN L197 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 47 [2020-12-04 18:48:46,354 WARN L197 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2020-12-04 18:48:47,971 WARN L197 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2020-12-04 18:48:49,665 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2020-12-04 18:48:50,007 WARN L197 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 42 [2020-12-04 18:48:50,243 WARN L197 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 35 [2020-12-04 18:48:50,685 WARN L197 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-12-04 18:48:50,961 WARN L197 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 35 [2020-12-04 18:48:51,388 WARN L197 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 35 [2020-12-04 18:48:52,673 WARN L197 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-04 18:48:53,093 WARN L197 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2020-12-04 18:48:53,295 WARN L197 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-04 18:48:53,607 WARN L197 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2020-12-04 18:48:53,956 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2020-12-04 18:48:54,367 WARN L197 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2020-12-04 18:48:54,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:48:54,964 INFO L93 Difference]: Finished difference Result 1038 states and 1190 transitions. [2020-12-04 18:48:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-12-04 18:48:54,970 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 77 [2020-12-04 18:48:54,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:48:54,974 INFO L225 Difference]: With dead ends: 1038 [2020-12-04 18:48:54,974 INFO L226 Difference]: Without dead ends: 825 [2020-12-04 18:48:54,977 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1156 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=976, Invalid=3446, Unknown=0, NotChecked=0, Total=4422 [2020-12-04 18:48:54,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2020-12-04 18:48:55,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 516. [2020-12-04 18:48:55,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2020-12-04 18:48:55,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 604 transitions. [2020-12-04 18:48:55,031 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 604 transitions. Word has length 77 [2020-12-04 18:48:55,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:48:55,031 INFO L481 AbstractCegarLoop]: Abstraction has 516 states and 604 transitions. [2020-12-04 18:48:55,031 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-12-04 18:48:55,031 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 604 transitions. [2020-12-04 18:48:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-12-04 18:48:55,033 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:48:55,033 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 18:48:55,033 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-12-04 18:48:55,033 INFO L429 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:48:55,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:48:55,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1018005030, now seen corresponding path program 1 times [2020-12-04 18:48:55,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:48:55,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355266055] [2020-12-04 18:48:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:48:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:48:55,942 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 18:48:55,942 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355266055] [2020-12-04 18:48:55,943 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:48:55,943 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:48:55,943 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746260361] [2020-12-04 18:48:55,943 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:48:55,944 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:48:55,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:48:55,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:48:55,945 INFO L87 Difference]: Start difference. First operand 516 states and 604 transitions. Second operand 4 states. [2020-12-04 18:49:00,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:00,557 INFO L93 Difference]: Finished difference Result 1006 states and 1177 transitions. [2020-12-04 18:49:00,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-04 18:49:00,565 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 77 [2020-12-04 18:49:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:00,567 INFO L225 Difference]: With dead ends: 1006 [2020-12-04 18:49:00,567 INFO L226 Difference]: Without dead ends: 518 [2020-12-04 18:49:00,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-12-04 18:49:00,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 512. [2020-12-04 18:49:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2020-12-04 18:49:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 574 transitions. [2020-12-04 18:49:00,600 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 574 transitions. Word has length 77 [2020-12-04 18:49:00,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:00,601 INFO L481 AbstractCegarLoop]: Abstraction has 512 states and 574 transitions. [2020-12-04 18:49:00,601 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:49:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 574 transitions. [2020-12-04 18:49:00,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-04 18:49:00,602 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:00,602 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] [2020-12-04 18:49:00,602 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-12-04 18:49:00,603 INFO L429 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:00,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:00,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2020332895, now seen corresponding path program 1 times [2020-12-04 18:49:00,604 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:00,604 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [473752050] [2020-12-04 18:49:00,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:01,597 WARN L197 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 12 [2020-12-04 18:49:02,108 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 18:49:02,108 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [473752050] [2020-12-04 18:49:02,108 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:02,108 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-12-04 18:49:02,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635457895] [2020-12-04 18:49:02,109 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-12-04 18:49:02,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:02,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-12-04 18:49:02,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2020-12-04 18:49:02,110 INFO L87 Difference]: Start difference. First operand 512 states and 574 transitions. Second operand 13 states. [2020-12-04 18:49:15,866 WARN L197 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 25 [2020-12-04 18:49:16,156 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 26 [2020-12-04 18:49:17,612 WARN L197 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-12-04 18:49:18,456 WARN L197 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-04 18:49:18,713 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2020-12-04 18:49:18,969 WARN L197 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-12-04 18:49:20,896 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2020-12-04 18:49:21,369 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2020-12-04 18:49:23,983 WARN L197 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2020-12-04 18:49:24,386 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2020-12-04 18:49:25,129 WARN L197 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 24 DAG size of output: 19 [2020-12-04 18:49:25,483 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 18 [2020-12-04 18:49:27,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:27,006 INFO L93 Difference]: Finished difference Result 1044 states and 1164 transitions. [2020-12-04 18:49:27,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-12-04 18:49:27,011 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 79 [2020-12-04 18:49:27,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:27,014 INFO L225 Difference]: With dead ends: 1044 [2020-12-04 18:49:27,014 INFO L226 Difference]: Without dead ends: 836 [2020-12-04 18:49:27,016 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=333, Invalid=1149, Unknown=0, NotChecked=0, Total=1482 [2020-12-04 18:49:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 836 states. [2020-12-04 18:49:27,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 836 to 564. [2020-12-04 18:49:27,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2020-12-04 18:49:27,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 628 transitions. [2020-12-04 18:49:27,061 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 628 transitions. Word has length 79 [2020-12-04 18:49:27,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:27,062 INFO L481 AbstractCegarLoop]: Abstraction has 564 states and 628 transitions. [2020-12-04 18:49:27,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-12-04 18:49:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 628 transitions. [2020-12-04 18:49:27,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-12-04 18:49:27,063 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:27,063 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] [2020-12-04 18:49:27,064 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-12-04 18:49:27,064 INFO L429 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:27,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:27,065 INFO L82 PathProgramCache]: Analyzing trace with hash 556390545, now seen corresponding path program 1 times [2020-12-04 18:49:27,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:27,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577300448] [2020-12-04 18:49:27,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:27,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:28,245 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 12 DAG size of output: 8 [2020-12-04 18:49:28,259 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 18:49:28,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1577300448] [2020-12-04 18:49:28,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:28,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-12-04 18:49:28,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [677167874] [2020-12-04 18:49:28,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-12-04 18:49:28,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:28,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-12-04 18:49:28,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-12-04 18:49:28,266 INFO L87 Difference]: Start difference. First operand 564 states and 628 transitions. Second operand 11 states. [2020-12-04 18:49:33,214 WARN L197 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:49:33,852 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 21 [2020-12-04 18:49:36,947 WARN L197 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-04 18:49:37,256 WARN L197 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 29 [2020-12-04 18:49:37,557 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 25 [2020-12-04 18:49:37,832 WARN L197 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 26 [2020-12-04 18:49:38,252 WARN L197 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:49:38,666 WARN L197 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-12-04 18:49:39,307 WARN L197 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2020-12-04 18:49:47,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:47,500 INFO L93 Difference]: Finished difference Result 1034 states and 1145 transitions. [2020-12-04 18:49:47,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-12-04 18:49:47,509 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 79 [2020-12-04 18:49:47,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:47,513 INFO L225 Difference]: With dead ends: 1034 [2020-12-04 18:49:47,513 INFO L226 Difference]: Without dead ends: 1018 [2020-12-04 18:49:47,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2020-12-04 18:49:47,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1018 states. [2020-12-04 18:49:47,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1018 to 575. [2020-12-04 18:49:47,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-04 18:49:47,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 637 transitions. [2020-12-04 18:49:47,563 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 637 transitions. Word has length 79 [2020-12-04 18:49:47,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:47,563 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 637 transitions. [2020-12-04 18:49:47,563 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-12-04 18:49:47,563 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 637 transitions. [2020-12-04 18:49:47,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:49:47,565 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:47,565 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] [2020-12-04 18:49:47,565 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-12-04 18:49:47,565 INFO L429 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:47,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:47,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1522373004, now seen corresponding path program 1 times [2020-12-04 18:49:47,566 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:47,567 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835189525] [2020-12-04 18:49:47,567 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:47,878 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 18:49:47,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835189525] [2020-12-04 18:49:47,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-04 18:49:47,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-04 18:49:47,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100407927] [2020-12-04 18:49:47,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-04 18:49:47,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:49:47,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-04 18:49:47,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-04 18:49:47,881 INFO L87 Difference]: Start difference. First operand 575 states and 637 transitions. Second operand 4 states. [2020-12-04 18:49:48,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-04 18:49:48,524 INFO L93 Difference]: Finished difference Result 743 states and 825 transitions. [2020-12-04 18:49:48,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-04 18:49:48,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-04 18:49:48,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-04 18:49:48,533 INFO L225 Difference]: With dead ends: 743 [2020-12-04 18:49:48,533 INFO L226 Difference]: Without dead ends: 575 [2020-12-04 18:49:48,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-04 18:49:48,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2020-12-04 18:49:48,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 575. [2020-12-04 18:49:48,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 575 states. [2020-12-04 18:49:48,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 575 states and 634 transitions. [2020-12-04 18:49:48,576 INFO L78 Accepts]: Start accepts. Automaton has 575 states and 634 transitions. Word has length 80 [2020-12-04 18:49:48,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-04 18:49:48,576 INFO L481 AbstractCegarLoop]: Abstraction has 575 states and 634 transitions. [2020-12-04 18:49:48,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-04 18:49:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 634 transitions. [2020-12-04 18:49:48,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-04 18:49:48,578 INFO L414 BasicCegarLoop]: Found error trace [2020-12-04 18:49:48,578 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:49:48,578 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-12-04 18:49:48,579 INFO L429 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-04 18:49:48,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-04 18:49:48,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1322591582, now seen corresponding path program 1 times [2020-12-04 18:49:48,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-04 18:49:48,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758587809] [2020-12-04 18:49:48,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-04 18:49:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:54,601 WARN L197 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-04 18:49:55,136 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-04 18:49:55,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758587809] [2020-12-04 18:49:55,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [620936688] [2020-12-04 18:49:55,137 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 18:49:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-04 18:49:56,841 INFO L263 TraceCheckSpWp]: Trace formula consists of 3021 conjuncts, 123 conjunts are in the unsatisfiable core [2020-12-04 18:49:56,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-04 18:49:57,821 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 13 treesize of output 9 [2020-12-04 18:49:57,827 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:57,905 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:57,921 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-12-04 18:49:57,927 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:58,003 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:58,008 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 18:49:58,009 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:37, output treesize:23 [2020-12-04 18:49:58,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:49:58,712 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 26 treesize of output 14 [2020-12-04 18:49:58,718 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:58,811 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:58,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:49:58,835 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 18:49:58,842 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:58,902 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:58,906 INFO L547 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-12-04 18:49:58,906 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:56, output treesize:26 [2020-12-04 18:49:58,978 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:49:59,079 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:59,079 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 36 [2020-12-04 18:49:59,121 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:59,131 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:59,327 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 26 [2020-12-04 18:49:59,330 INFO L625 ElimStorePlain]: treesize reduction 18, result has 70.0 percent of original size [2020-12-04 18:49:59,360 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:49:59,460 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:49:59,460 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 35 [2020-12-04 18:49:59,464 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:59,471 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:49:59,668 WARN L197 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 20 [2020-12-04 18:49:59,670 INFO L625 ElimStorePlain]: treesize reduction 18, result has 63.3 percent of original size [2020-12-04 18:49:59,674 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 1] term [2020-12-04 18:49:59,674 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:49:59,681 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 18:49:59,682 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:53, output treesize:3 [2020-12-04 18:50:00,287 WARN L197 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:50:00,301 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:50:00,670 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 27 [2020-12-04 18:50:02,564 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:50:02,566 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:02,567 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:50:02,583 INFO L443 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.base_54|], 4=[|v_#memory_int_66|], 6=[|v_#memory_$Pointer$.offset_50|, |v_#memory_$Pointer$.base_50|], 12=[|v_#memory_$Pointer$.offset_54|]} [2020-12-04 18:50:02,619 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 18:50:02,624 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:02,679 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 18:50:02,685 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:03,118 WARN L197 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-04 18:50:03,120 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:03,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:03,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:03,257 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 28 treesize of output 9 [2020-12-04 18:50:03,265 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:03,296 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 9 [2020-12-04 18:50:03,302 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:03,674 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2020-12-04 18:50:03,676 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:03,701 INFO L547 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:03,720 INFO L547 ElimStorePlain]: Start of recursive call 7: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:04,158 WARN L197 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2020-12-04 18:50:04,160 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:04,181 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2020-12-04 18:50:04,190 INFO L547 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:04,239 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:50:04,387 WARN L197 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:50:04,389 INFO L348 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2020-12-04 18:50:04,390 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 33 [2020-12-04 18:50:04,396 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:05,167 WARN L197 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-12-04 18:50:05,170 INFO L625 ElimStorePlain]: treesize reduction 18, result has 86.5 percent of original size [2020-12-04 18:50:05,375 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 24 [2020-12-04 18:50:05,379 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:05,379 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 84 [2020-12-04 18:50:05,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,385 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,387 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,388 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,389 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,391 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:50:05,392 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,393 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,395 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,396 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-12-04 18:50:05,397 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,400 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,401 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,403 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:50:05,410 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,412 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,414 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,416 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:50:05,419 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,423 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,425 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:05,428 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:05,444 INFO L173 IndexEqualityManager]: detected equality via solver [2020-12-04 18:50:05,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:05,458 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_12], 1=[v_arrayElimCell_11]} [2020-12-04 18:50:33,164 WARN L197 SmtUtils]: Spent 25.03 s on a formula simplification that was a NOOP. DAG size: 73 [2020-12-04 18:50:33,190 INFO L398 QuantifierPusher]: Applying distributivity to a CONJUNCTION[2, 2, 5, 1] term [2020-12-04 18:50:33,190 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:50:33,198 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-04 18:50:33,217 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 18:50:33,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 7 disjuncts [2020-12-04 18:50:33,276 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 8 disjuncts [2020-12-04 18:50:33,321 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_54|, v_prenex_3], 1=[v_prenex_4, |v_#memory_$Pointer$.offset_50|, v_prenex_6, |v_#memory_int_66|, v_prenex_2, |v_#memory_$Pointer$.base_50|], 4=[|v_#memory_$Pointer$.offset_54|], 7=[v_prenex_5]} [2020-12-04 18:50:33,514 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 18:50:33,521 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:33,635 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 18:50:33,640 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:35,697 WARN L197 SmtUtils]: Spent 2.06 s on a formula simplification that was a NOOP. DAG size: 108 [2020-12-04 18:50:35,706 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:35,764 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 18:50:35,769 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:35,807 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 18:50:35,812 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:37,813 WARN L197 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 102 [2020-12-04 18:50:37,816 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:37,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:37,976 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 24 treesize of output 9 [2020-12-04 18:50:37,985 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:38,074 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 9 [2020-12-04 18:50:38,084 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:39,841 WARN L197 SmtUtils]: Spent 1.76 s on a formula simplification that was a NOOP. DAG size: 93 [2020-12-04 18:50:39,844 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:39,868 INFO L547 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:39,895 INFO L547 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:41,503 WARN L197 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:50:41,506 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:41,543 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:50:41,554 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:41,589 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:50:41,599 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:43,140 WARN L197 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 90 [2020-12-04 18:50:43,143 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:43,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:50:43,268 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 24 treesize of output 9 [2020-12-04 18:50:43,280 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:43,342 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 9 [2020-12-04 18:50:43,353 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:44,629 WARN L197 SmtUtils]: Spent 1.28 s on a formula simplification that was a NOOP. DAG size: 80 [2020-12-04 18:50:44,632 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:44,656 INFO L547 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:44,678 INFO L547 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:50:45,991 WARN L197 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 83 [2020-12-04 18:50:45,995 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:46,409 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:50:46,412 INFO L348 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2020-12-04 18:50:46,413 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2020-12-04 18:50:46,419 INFO L547 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:46,776 WARN L197 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:50:46,779 INFO L348 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2020-12-04 18:50:46,780 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2020-12-04 18:50:46,787 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-12-04 18:50:49,134 WARN L197 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 83 DAG size of output: 77 [2020-12-04 18:50:49,138 INFO L625 ElimStorePlain]: treesize reduction 32, result has 88.0 percent of original size [2020-12-04 18:50:49,354 WARN L197 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:50:49,357 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:50:49,357 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 68 [2020-12-04 18:50:49,361 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,362 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:50:49,363 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:49,364 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,365 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:50:49,366 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:50:49,367 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,368 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:49,369 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,371 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:49,373 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:50:49,374 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:50:49,389 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_26], 1=[v_arrayElimCell_25]} [2020-12-04 18:51:46,396 WARN L197 SmtUtils]: Spent 52.78 s on a formula simplification that was a NOOP. DAG size: 122 [2020-12-04 18:51:46,469 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_54|, v_prenex_3], 1=[v_prenex_4, |v_#memory_$Pointer$.offset_50|, v_prenex_6, |v_#memory_int_66|, v_prenex_2, |v_#memory_$Pointer$.base_50|], 4=[|v_#memory_$Pointer$.offset_54|], 7=[v_prenex_5]} [2020-12-04 18:51:46,576 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 24 treesize of output 12 [2020-12-04 18:51:46,582 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:47,337 WARN L197 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-04 18:51:47,340 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:47,383 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 18:51:47,387 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:48,064 WARN L197 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:51:48,066 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:48,133 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 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 9 [2020-12-04 18:51:48,142 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:48,740 WARN L197 SmtUtils]: Spent 597.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-04 18:51:48,742 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:48,764 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:51:49,193 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-04 18:51:49,196 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:49,228 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:51:49,237 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:49,672 WARN L197 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:51:49,674 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:49,716 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 9 [2020-12-04 18:51:49,724 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:50,020 WARN L197 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-04 18:51:50,023 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:50,041 INFO L547 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:51:50,262 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:51:50,265 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:50,541 WARN L197 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:51:50,543 INFO L348 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2020-12-04 18:51:50,544 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2020-12-04 18:51:50,549 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:51:51,026 WARN L197 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-04 18:51:51,029 INFO L625 ElimStorePlain]: treesize reduction 16, result has 87.8 percent of original size [2020-12-04 18:51:51,248 WARN L197 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:51:51,252 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:51:51,252 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 68 [2020-12-04 18:51:51,257 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:51:51,258 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:51:51,259 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:51:51,260 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:51:51,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:51:51,261 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:51:51,262 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:51:51,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:51:51,263 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:51:51,264 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:51:51,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:51:51,266 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:51:51,268 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:51:51,269 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:51:51,284 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_34], 1=[v_arrayElimCell_33]} [2020-12-04 18:52:12,544 WARN L197 SmtUtils]: Spent 14.21 s on a formula simplification that was a NOOP. DAG size: 112 [2020-12-04 18:52:12,599 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_54|, v_prenex_3], 1=[v_prenex_4, |v_#memory_$Pointer$.offset_50|, v_prenex_6, |v_#memory_int_66|, v_prenex_2, |v_#memory_$Pointer$.base_50|], 4=[|v_#memory_$Pointer$.offset_54|], 7=[v_prenex_5]} [2020-12-04 18:52:12,689 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 18:52:12,694 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:13,386 WARN L197 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-04 18:52:13,388 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:13,431 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 18:52:13,435 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:14,119 WARN L197 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:52:14,122 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:14,211 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 9 [2020-12-04 18:52:14,220 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:14,723 WARN L197 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-04 18:52:14,726 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:14,750 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:15,106 WARN L197 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-04 18:52:15,109 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:15,143 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:52:15,154 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:15,552 WARN L197 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:52:15,555 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:15,607 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 9 [2020-12-04 18:52:15,615 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:15,941 WARN L197 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-04 18:52:15,944 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:15,963 INFO L547 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:16,193 WARN L197 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:52:16,196 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:16,382 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:52:16,385 INFO L348 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2020-12-04 18:52:16,385 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2020-12-04 18:52:16,391 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:16,866 WARN L197 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-04 18:52:16,869 INFO L625 ElimStorePlain]: treesize reduction 16, result has 87.8 percent of original size [2020-12-04 18:52:17,055 WARN L197 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:52:17,058 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:17,059 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 68 [2020-12-04 18:52:17,063 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:17,064 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:17,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:17,065 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:17,067 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:52:17,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:17,068 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:17,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:17,070 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:17,071 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:17,072 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:17,073 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:17,075 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:17,076 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:17,088 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_42], 1=[v_arrayElimCell_41]} [2020-12-04 18:52:17,150 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_54|, v_prenex_3], 1=[v_prenex_4, |v_#memory_$Pointer$.offset_50|, v_prenex_6, |v_#memory_int_66|, v_prenex_2, |v_#memory_$Pointer$.base_50|], 4=[|v_#memory_$Pointer$.offset_54|], 7=[v_prenex_5]} [2020-12-04 18:52:17,303 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 18:52:17,309 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:18,057 WARN L197 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 102 [2020-12-04 18:52:18,059 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:18,088 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 18:52:18,093 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:18,804 WARN L197 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:52:18,807 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:18,862 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 9 [2020-12-04 18:52:18,871 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:19,413 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-04 18:52:19,415 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:19,442 INFO L547 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:19,870 WARN L197 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-04 18:52:19,873 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:19,908 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:52:19,917 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:20,358 WARN L197 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-04 18:52:20,360 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:20,405 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 9 [2020-12-04 18:52:20,414 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:20,759 WARN L197 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2020-12-04 18:52:20,762 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:20,783 INFO L547 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:21,067 WARN L197 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 63 [2020-12-04 18:52:21,069 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:21,311 WARN L197 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:52:21,314 INFO L348 Elim1Store]: treesize reduction 16, result has 50.0 percent of original size [2020-12-04 18:52:21,315 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 27 [2020-12-04 18:52:21,320 INFO L547 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:21,783 WARN L197 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 57 [2020-12-04 18:52:21,786 INFO L625 ElimStorePlain]: treesize reduction 16, result has 87.8 percent of original size [2020-12-04 18:52:21,972 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:52:21,975 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:21,977 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 68 [2020-12-04 18:52:21,980 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,981 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:21,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,982 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,983 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,984 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:52:21,985 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,986 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:21,987 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,988 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:52:21,989 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:21,990 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,992 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:21,993 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,994 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:21,995 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:21,996 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:21,997 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:22,010 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_49], 1=[v_arrayElimCell_50]} [2020-12-04 18:52:37,882 WARN L197 SmtUtils]: Spent 14.95 s on a formula simplification that was a NOOP. DAG size: 112 [2020-12-04 18:52:37,907 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:37,910 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:37,913 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 18:52:37,925 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:37,928 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 9 disjuncts [2020-12-04 18:52:37,981 INFO L443 ElimStorePlain]: Different costs {0=[|v_#memory_$Pointer$.base_54|, v_prenex_3], 1=[v_prenex_4, |v_#memory_$Pointer$.offset_50|, v_prenex_6, |v_#memory_int_66|, v_prenex_2, |v_#memory_$Pointer$.base_50|], 4=[|v_#memory_$Pointer$.offset_54|], 7=[v_prenex_5], 10=[|#memory_int|]} [2020-12-04 18:52:38,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:52:38,141 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 18:52:38,147 INFO L547 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:38,293 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 18:52:38,298 INFO L547 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:40,648 WARN L197 SmtUtils]: Spent 2.35 s on a formula simplification that was a NOOP. DAG size: 111 [2020-12-04 18:52:40,651 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:40,690 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 18:52:40,696 INFO L547 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:40,734 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 18:52:40,739 INFO L547 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:42,815 WARN L197 SmtUtils]: Spent 2.08 s on a formula simplification that was a NOOP. DAG size: 105 [2020-12-04 18:52:42,818 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:52:42,960 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 24 treesize of output 9 [2020-12-04 18:52:42,969 INFO L547 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:43,044 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 9 [2020-12-04 18:52:43,053 INFO L547 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:44,975 WARN L197 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 96 [2020-12-04 18:52:44,978 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:45,000 INFO L547 ElimStorePlain]: Start of recursive call 8: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:45,025 INFO L547 ElimStorePlain]: Start of recursive call 9: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:46,601 WARN L197 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 99 [2020-12-04 18:52:46,603 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:46,634 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:52:46,643 INFO L547 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:46,681 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2020-12-04 18:52:46,692 INFO L547 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:48,229 WARN L197 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 93 [2020-12-04 18:52:48,231 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:48,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:52:48,320 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 24 treesize of output 9 [2020-12-04 18:52:48,327 INFO L547 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:48,401 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 9 [2020-12-04 18:52:48,409 INFO L547 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:49,854 WARN L197 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 83 [2020-12-04 18:52:49,856 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:49,878 INFO L547 ElimStorePlain]: Start of recursive call 14: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:49,907 INFO L547 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-12-04 18:52:51,328 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 86 [2020-12-04 18:52:51,330 INFO L625 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:51,537 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 17 DAG size of output: 14 [2020-12-04 18:52:51,540 INFO L348 Elim1Store]: treesize reduction 12, result has 62.5 percent of original size [2020-12-04 18:52:51,540 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 24 treesize of output 31 [2020-12-04 18:52:51,546 INFO L547 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:51,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-12-04 18:52:51,589 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 19 [2020-12-04 18:52:51,598 INFO L547 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2020-12-04 18:52:54,410 WARN L197 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2020-12-04 18:52:54,413 INFO L625 ElimStorePlain]: treesize reduction 16, result has 94.5 percent of original size [2020-12-04 18:52:54,616 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 23 [2020-12-04 18:52:54,618 INFO L348 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-12-04 18:52:54,619 INFO L382 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 68 [2020-12-04 18:52:54,622 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,623 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,624 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,625 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:54,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:52:54,626 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,627 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,628 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:54,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-12-04 18:52:54,629 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:54,630 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,632 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,633 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,634 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:54,635 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-12-04 18:52:54,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-12-04 18:52:54,636 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,638 INFO L639 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-12-04 18:52:54,651 INFO L443 ElimStorePlain]: Different costs {0=[v_arrayElimCell_63], 1=[v_arrayElimCell_64]} [2020-12-04 18:54:04,603 WARN L195 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2020-12-04 18:54:04,606 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_DEPENDING: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") [2020-12-04 18:54:04,606 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-12-04 18:54:04,606 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-12-04 18:54:04,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214559977] [2020-12-04 18:54:04,606 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-12-04 18:54:04,606 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-04 18:54:04,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-12-04 18:54:04,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1345, Unknown=11, NotChecked=0, Total=1482 [2020-12-04 18:54:04,611 INFO L87 Difference]: Start difference. First operand 575 states and 634 transitions. Second operand 21 states. [2020-12-04 18:54:04,812 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2020-12-04 18:54:04,814 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.pop(Scriptor.java:137) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:99) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:128) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:432) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:275) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:281) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ProtectiveHoareTripleChecker.releaseLock(ProtectiveHoareTripleChecker.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.EfficientHoareTripleChecker.releaseLock(EfficientHoareTripleChecker.java:162) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:201) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:759) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:674) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:473) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:345) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:150) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: java.io.IOException: Stream closed at java.base/java.lang.ProcessBuilder$NullOutputStream.write(ProcessBuilder.java:442) at java.base/java.io.OutputStream.write(OutputStream.java:157) at java.base/java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:81) at java.base/java.io.BufferedOutputStream.flush(BufferedOutputStream.java:142) at java.base/sun.nio.cs.StreamEncoder.implFlush(StreamEncoder.java:318) at java.base/sun.nio.cs.StreamEncoder.flush(StreamEncoder.java:153) at java.base/java.io.OutputStreamWriter.flush(OutputStreamWriter.java:254) at java.base/java.io.BufferedWriter.flush(BufferedWriter.java:257) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:120) ... 31 more [2020-12-04 18:54:04,820 INFO L168 Benchmark]: Toolchain (without parser) took 535848.94 ms. Allocated memory was 48.2 MB in the beginning and 549.5 MB in the end (delta: 501.2 MB). Free memory was 29.4 MB in the beginning and 178.9 MB in the end (delta: -149.5 MB). Peak memory consumption was 351.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,821 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:54:04,821 INFO L168 Benchmark]: CACSL2BoogieTranslator took 3540.53 ms. Allocated memory was 48.2 MB in the beginning and 109.1 MB in the end (delta: 60.8 MB). Free memory was 29.2 MB in the beginning and 40.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,821 INFO L168 Benchmark]: Boogie Procedure Inliner took 291.05 ms. Allocated memory is still 109.1 MB. Free memory was 40.2 MB in the beginning and 26.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,821 INFO L168 Benchmark]: Boogie Preprocessor took 185.47 ms. Allocated memory is still 109.1 MB. Free memory was 26.5 MB in the beginning and 58.4 MB in the end (delta: -32.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,822 INFO L168 Benchmark]: RCFGBuilder took 9702.93 ms. Allocated memory was 109.1 MB in the beginning and 388.0 MB in the end (delta: 278.9 MB). Free memory was 58.4 MB in the beginning and 264.8 MB in the end (delta: -206.3 MB). Peak memory consumption was 239.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,822 INFO L168 Benchmark]: TraceAbstraction took 522122.23 ms. Allocated memory was 388.0 MB in the beginning and 549.5 MB in the end (delta: 161.5 MB). Free memory was 264.8 MB in the beginning and 178.9 MB in the end (delta: 85.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:04,824 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 48.2 MB. Free memory was 28.9 MB in the beginning and 28.9 MB in the end (delta: 28.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 3540.53 ms. Allocated memory was 48.2 MB in the beginning and 109.1 MB in the end (delta: 60.8 MB). Free memory was 29.2 MB in the beginning and 40.2 MB in the end (delta: -11.0 MB). Peak memory consumption was 75.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 291.05 ms. Allocated memory is still 109.1 MB. Free memory was 40.2 MB in the beginning and 26.5 MB in the end (delta: 13.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 185.47 ms. Allocated memory is still 109.1 MB. Free memory was 26.5 MB in the beginning and 58.4 MB in the end (delta: -32.0 MB). Peak memory consumption was 15.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 9702.93 ms. Allocated memory was 109.1 MB in the beginning and 388.0 MB in the end (delta: 278.9 MB). Free memory was 58.4 MB in the beginning and 264.8 MB in the end (delta: -206.3 MB). Peak memory consumption was 239.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 522122.23 ms. Allocated memory was 388.0 MB in the beginning and 549.5 MB in the end (delta: 161.5 MB). Free memory was 264.8 MB in the beginning and 178.9 MB in the end (delta: 85.9 MB). Peak memory consumption was 246.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) Connection to SMT solver broken: de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.input(Executor.java:123) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-87fd6ee [2020-12-04 18:54:07,283 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-04 18:54:07,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-04 18:54:07,350 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-04 18:54:07,351 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-04 18:54:07,356 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-04 18:54:07,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-04 18:54:07,368 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-04 18:54:07,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-04 18:54:07,378 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-04 18:54:07,379 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-04 18:54:07,381 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-04 18:54:07,381 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-04 18:54:07,389 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-04 18:54:07,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-04 18:54:07,393 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-04 18:54:07,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-04 18:54:07,396 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-04 18:54:07,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-04 18:54:07,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-04 18:54:07,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-04 18:54:07,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-04 18:54:07,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-04 18:54:07,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-04 18:54:07,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-04 18:54:07,422 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-04 18:54:07,423 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-04 18:54:07,424 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-04 18:54:07,425 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-04 18:54:07,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-04 18:54:07,427 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-04 18:54:07,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-04 18:54:07,430 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-04 18:54:07,431 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-04 18:54:07,434 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-04 18:54:07,435 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-04 18:54:07,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-04 18:54:07,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-04 18:54:07,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-04 18:54:07,439 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-04 18:54:07,439 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-04 18:54:07,441 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2020-12-04 18:54:07,487 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-04 18:54:07,488 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-04 18:54:07,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-04 18:54:07,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-04 18:54:07,502 INFO L138 SettingsManager]: * Use SBE=true [2020-12-04 18:54:07,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-04 18:54:07,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-04 18:54:07,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-04 18:54:07,503 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-04 18:54:07,503 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-04 18:54:07,505 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-04 18:54:07,505 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-04 18:54:07,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-04 18:54:07,506 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-04 18:54:07,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-04 18:54:07,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-04 18:54:07,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-04 18:54:07,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-04 18:54:07,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-04 18:54:07,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-04 18:54:07,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-04 18:54:07,508 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-04 18:54:07,508 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2020-12-04 18:54:07,508 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-04 18:54:07,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-04 18:54:07,509 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-04 18:54:07,509 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-04 18:54:07,509 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 70cfebebe327797e87277484a570377f06806ce2 [2020-12-04 18:54:07,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-04 18:54:07,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-04 18:54:07,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-04 18:54:07,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-04 18:54:07,968 INFO L275 PluginConnector]: CDTParser initialized [2020-12-04 18:54:07,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2020-12-04 18:54:08,045 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da19e5fbd/ac1598b2f8bb4f1aab7eeb3f5e9774fd/FLAG8afc92c7d [2020-12-04 18:54:09,247 INFO L306 CDTParser]: Found 1 translation units. [2020-12-04 18:54:09,248 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/aws-c-common/aws_byte_cursor_trim_pred_harness.i [2020-12-04 18:54:09,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da19e5fbd/ac1598b2f8bb4f1aab7eeb3f5e9774fd/FLAG8afc92c7d [2020-12-04 18:54:09,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da19e5fbd/ac1598b2f8bb4f1aab7eeb3f5e9774fd [2020-12-04 18:54:09,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-04 18:54:09,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-04 18:54:09,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-04 18:54:09,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-04 18:54:09,616 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-04 18:54:09,617 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:54:09" (1/1) ... [2020-12-04 18:54:09,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65671482 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:54:09, skipping insertion in model container [2020-12-04 18:54:09,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.12 06:54:09" (1/1) ... [2020-12-04 18:54:09,629 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-04 18:54:09,770 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-04 18:54:10,022 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_byte_cursor_trim_pred_harness.i[4499,4512] [2020-12-04 18:54:10,029 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_byte_cursor_trim_pred_harness.i[4559,4572] [2020-12-04 18:54:10,054 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:54:10,061 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:54:10,814 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,815 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,816 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,817 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,818 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,836 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,837 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,839 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:10,840 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:11,348 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:54:11,353 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:54:11,354 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:54:11,355 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:54:11,360 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:54:11,361 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:54:11,362 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:54:11,363 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:54:11,363 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:54:11,366 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:54:11,542 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:54:11,727 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:11,728 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:11,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:54:11,926 INFO L203 MainTranslator]: Completed pre-run [2020-12-04 18:54:11,955 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_byte_cursor_trim_pred_harness.i[4499,4512] [2020-12-04 18:54:11,955 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_byte_cursor_trim_pred_harness.i[4559,4572] [2020-12-04 18:54:11,961 WARN L612 FunctionHandler]: implicit declaration of function __builtin_uaddl_overflow [2020-12-04 18:54:11,966 WARN L612 FunctionHandler]: implicit declaration of function __builtin_umull_overflow [2020-12-04 18:54:12,004 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,006 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,006 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,019 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,021 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,028 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,029 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,030 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,030 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,069 WARN L612 FunctionHandler]: implicit declaration of function __atomic_load_n [2020-12-04 18:54:12,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_store_n [2020-12-04 18:54:12,071 WARN L612 FunctionHandler]: implicit declaration of function __atomic_exchange_n [2020-12-04 18:54:12,072 WARN L612 FunctionHandler]: implicit declaration of function __atomic_compare_exchange_n [2020-12-04 18:54:12,073 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_add [2020-12-04 18:54:12,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_sub [2020-12-04 18:54:12,074 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_or [2020-12-04 18:54:12,075 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_and [2020-12-04 18:54:12,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_fetch_xor [2020-12-04 18:54:12,076 WARN L612 FunctionHandler]: implicit declaration of function __atomic_thread_fence [2020-12-04 18:54:12,101 WARN L612 FunctionHandler]: implicit declaration of function __builtin_va_copy [2020-12-04 18:54:12,303 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,307 WARN L1501 CHandler]: Possible shadowing of function index [2020-12-04 18:54:12,420 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-04 18:54:13,677 INFO L208 MainTranslator]: Completed translation [2020-12-04 18:54:13,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:54:13 WrapperNode [2020-12-04 18:54:13,678 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-04 18:54:13,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-04 18:54:13,680 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-04 18:54:13,680 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-04 18:54:13,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:54:13" (1/1) ... [2020-12-04 18:54:13,754 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 18:54:13,841 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.12 06:54:13" (1/1) ... [2020-12-04 18:54:13,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-04 18:54:13,844 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2020-12-04 18:54:13,847 INFO L168 Benchmark]: Toolchain (without parser) took 4236.13 ms. Allocated memory was 46.1 MB in the beginning and 111.1 MB in the end (delta: 65.0 MB). Free memory was 22.9 MB in the beginning and 24.8 MB in the end (delta: -1.9 MB). Peak memory consumption was 63.5 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:13,853 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 29.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-04 18:54:13,854 INFO L168 Benchmark]: CACSL2BoogieTranslator took 4066.65 ms. Allocated memory was 46.1 MB in the beginning and 111.1 MB in the end (delta: 65.0 MB). Free memory was 22.6 MB in the beginning and 29.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:13,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 164.53 ms. Allocated memory is still 111.1 MB. Free memory was 29.9 MB in the beginning and 24.8 MB in the end (delta: 5.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-04 18:54:13,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 46.1 MB. Free memory was 29.6 MB in the beginning and 29.5 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 4066.65 ms. Allocated memory was 46.1 MB in the beginning and 111.1 MB in the end (delta: 65.0 MB). Free memory was 22.6 MB in the beginning and 29.9 MB in the end (delta: -7.3 MB). Peak memory consumption was 72.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 164.53 ms. Allocated memory is still 111.1 MB. Free memory was 29.9 MB in the beginning and 24.8 MB in the end (delta: 5.2 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...