/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:28:33,832 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:28:33,837 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:28:33,900 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:28:33,901 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:28:33,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:28:33,911 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:28:33,916 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:28:33,920 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:28:33,926 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:28:33,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:28:33,931 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:28:33,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:28:33,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:28:33,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:28:33,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:28:33,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:28:33,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:28:33,950 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:28:33,958 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:28:33,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:28:33,962 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:28:33,964 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:28:33,966 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:28:33,988 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:28:33,989 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:28:33,989 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:28:33,992 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:28:33,992 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:28:33,993 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:28:33,994 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:28:33,995 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:28:33,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:28:33,998 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:28:33,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:28:33,999 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:28:34,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:28:34,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:28:34,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:28:34,002 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:28:34,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:28:34,011 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:28:34,065 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:28:34,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:28:34,071 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:28:34,071 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:28:34,071 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:28:34,072 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:28:34,072 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:28:34,072 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:28:34,072 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:28:34,073 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:28:34,074 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:28:34,074 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:28:34,075 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:28:34,075 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:28:34,075 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:28:34,075 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:28:34,075 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:28:34,076 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:28:34,076 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:28:34,076 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:28:34,076 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:28:34,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:28:34,077 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:28:34,077 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:28:34,077 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:28:34,077 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:28:34,078 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:28:34,078 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:28:34,078 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:28:34,078 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:28:34,532 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:28:34,566 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:28:34,570 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:28:34,572 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:28:34,572 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:28:34,573 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-29 09:28:34,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65ac251d2/38bada339c214e28b7555e48f56c3567/FLAG6696438f8 [2020-10-29 09:28:35,487 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:28:35,488 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2n_update_all.i [2020-10-29 09:28:35,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65ac251d2/38bada339c214e28b7555e48f56c3567/FLAG6696438f8 [2020-10-29 09:28:35,719 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/65ac251d2/38bada339c214e28b7555e48f56c3567 [2020-10-29 09:28:35,722 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:28:35,729 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:28:35,731 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:28:35,732 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:28:35,736 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:28:35,737 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:28:35" (1/1) ... [2020-10-29 09:28:35,740 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ccabfd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:35, skipping insertion in model container [2020-10-29 09:28:35,741 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:28:35" (1/1) ... [2020-10-29 09:28:35,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:28:35,791 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:28:36,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:28:36,201 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:28:36,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:28:36,318 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:28:36,319 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36 WrapperNode [2020-10-29 09:28:36,319 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:28:36,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:28:36,320 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:28:36,321 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:28:36,334 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,352 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,372 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,399 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... [2020-10-29 09:28:36,410 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:28:36,411 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:28:36,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:28:36,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:28:36,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-29 09:28:36,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:28:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:28:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:28:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-29 09:28:36,514 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_create [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_destroy [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_get_data_at [2020-10-29 09:28:36,515 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_update_at [2020-10-29 09:28:36,516 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:28:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:28:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:28:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:28:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:28:36,516 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-29 09:28:36,517 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-29 09:28:36,518 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-29 09:28:36,519 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-29 09:28:36,520 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-29 09:28:36,521 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-29 09:28:36,522 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-29 09:28:36,523 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-29 09:28:36,524 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-29 09:28:36,525 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 09:28:36,526 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-29 09:28:36,527 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-29 09:28:36,528 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-29 09:28:36,529 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-29 09:28:36,530 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-29 09:28:36,531 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:28:36,532 INFO L130 BoogieDeclarations]: Found specification of procedure dll_create [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure dll_destroy [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure dll_get_data_at [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:28:36,533 INFO L130 BoogieDeclarations]: Found specification of procedure dll_update_at [2020-10-29 09:28:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:28:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:28:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:28:36,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:28:36,998 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-29 09:28:37,313 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:28:37,314 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-29 09:28:37,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:28:37 BoogieIcfgContainer [2020-10-29 09:28:37,318 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:28:37,325 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:28:37,327 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:28:37,330 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:28:37,330 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:28:35" (1/3) ... [2020-10-29 09:28:37,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173b7369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:28:37, skipping insertion in model container [2020-10-29 09:28:37,331 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:28:36" (2/3) ... [2020-10-29 09:28:37,332 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173b7369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:28:37, skipping insertion in model container [2020-10-29 09:28:37,332 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:28:37" (3/3) ... [2020-10-29 09:28:37,334 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2n_update_all.i [2020-10-29 09:28:37,348 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:28:37,355 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:28:37,371 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:28:37,423 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:28:37,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:28:37,423 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:28:37,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:28:37,424 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:28:37,424 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:28:37,424 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:28:37,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:28:37,451 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-10-29 09:28:37,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 09:28:37,468 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:37,470 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:28:37,471 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:37,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:37,482 INFO L82 PathProgramCache]: Analyzing trace with hash 448687099, now seen corresponding path program 1 times [2020-10-29 09:28:37,498 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:37,499 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267576397] [2020-10-29 09:28:37,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:37,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:37,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:37,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:38,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 09:28:38,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:28:38,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 929 [2020-10-29 09:28:38,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:38,676 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:38,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:28:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:28:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:28:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:28:38,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:38,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:38,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:28:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:38,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:38,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:38,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:38,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:38,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:38,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:38,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 09:28:38,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:38,844 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:38,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 09:28:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:38,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:38,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:38,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:38,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:38,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:28:38,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:38,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:38,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:28:38,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:38,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:38,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:28:38,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267576397] [2020-10-29 09:28:38,880 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:28:38,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:28:38,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779292117] [2020-10-29 09:28:38,889 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:28:38,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:38,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:28:38,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:28:38,908 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 6 states. [2020-10-29 09:28:39,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:28:39,684 INFO L93 Difference]: Finished difference Result 133 states and 200 transitions. [2020-10-29 09:28:39,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:28:39,686 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-10-29 09:28:39,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:28:39,697 INFO L225 Difference]: With dead ends: 133 [2020-10-29 09:28:39,697 INFO L226 Difference]: Without dead ends: 73 [2020-10-29 09:28:39,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:28:39,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-29 09:28:39,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 41. [2020-10-29 09:28:39,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-29 09:28:39,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 46 transitions. [2020-10-29 09:28:39,756 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 46 transitions. Word has length 27 [2020-10-29 09:28:39,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:28:39,756 INFO L481 AbstractCegarLoop]: Abstraction has 41 states and 46 transitions. [2020-10-29 09:28:39,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:28:39,757 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 46 transitions. [2020-10-29 09:28:39,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-10-29 09:28:39,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:39,758 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] [2020-10-29 09:28:39,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:28:39,759 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:39,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:39,760 INFO L82 PathProgramCache]: Analyzing trace with hash -1058065467, now seen corresponding path program 1 times [2020-10-29 09:28:39,760 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:39,760 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619712616] [2020-10-29 09:28:39,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:39,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:39,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:39,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:40,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:40,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:40,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:43,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-29 09:28:43,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:28:43,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3275 [2020-10-29 09:28:43,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:43,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:28:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:28:43,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 09:28:43,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:43,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:43,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:43,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:43,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:28:43,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:43,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:43,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:43,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:43,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:43,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:43,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:43,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:28:43,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:43,163 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:43,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:43,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:43,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:28:43,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:43,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:43,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:43,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:43,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:28:43,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:43,198 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:43,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:43,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:43,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:28:43,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:43,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:43,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:43,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:43,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:43,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:43,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:28:43,214 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619712616] [2020-10-29 09:28:43,214 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:28:43,214 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:28:43,215 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026778890] [2020-10-29 09:28:43,216 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:28:43,216 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:43,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:28:43,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:28:43,218 INFO L87 Difference]: Start difference. First operand 41 states and 46 transitions. Second operand 8 states. [2020-10-29 09:28:43,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:28:43,740 INFO L93 Difference]: Finished difference Result 94 states and 113 transitions. [2020-10-29 09:28:43,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:28:43,741 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-10-29 09:28:43,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:28:43,743 INFO L225 Difference]: With dead ends: 94 [2020-10-29 09:28:43,743 INFO L226 Difference]: Without dead ends: 79 [2020-10-29 09:28:43,744 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:28:43,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2020-10-29 09:28:43,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 44. [2020-10-29 09:28:43,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-10-29 09:28:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2020-10-29 09:28:43,757 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 35 [2020-10-29 09:28:43,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:28:43,757 INFO L481 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2020-10-29 09:28:43,757 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:28:43,757 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2020-10-29 09:28:43,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 09:28:43,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:43,760 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:28:43,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:28:43,760 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:43,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:43,761 INFO L82 PathProgramCache]: Analyzing trace with hash 1734906255, now seen corresponding path program 2 times [2020-10-29 09:28:43,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:43,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1297763871] [2020-10-29 09:28:43,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:43,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:43,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:44,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:44,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:44,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 09:28:46,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:28:46,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2654 [2020-10-29 09:28:46,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:28:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:28:46,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 09:28:46,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:46,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:46,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:46,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:46,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:46,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:46,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:46,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:46,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:46,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:46,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:46,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:28:46,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:28:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:46,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:46,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:28:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:46,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:28:46,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:46,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:28:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:46,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:46,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:46,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:28:46,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:46,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:28:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:46,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:46,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:46,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:46,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:46,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:28:46,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:46,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:28:46,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:46,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:46,614 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 09:28:46,615 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1297763871] [2020-10-29 09:28:46,615 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:28:46,615 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:28:46,616 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175921158] [2020-10-29 09:28:46,616 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:28:46,617 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:46,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:28:46,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:28:46,618 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand 9 states. [2020-10-29 09:28:47,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:28:47,013 INFO L93 Difference]: Finished difference Result 80 states and 92 transitions. [2020-10-29 09:28:47,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:28:47,014 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 43 [2020-10-29 09:28:47,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:28:47,015 INFO L225 Difference]: With dead ends: 80 [2020-10-29 09:28:47,015 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 09:28:47,017 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:28:47,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 09:28:47,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 45. [2020-10-29 09:28:47,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-29 09:28:47,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2020-10-29 09:28:47,027 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 43 [2020-10-29 09:28:47,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:28:47,027 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2020-10-29 09:28:47,027 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:28:47,027 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2020-10-29 09:28:47,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-29 09:28:47,029 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:47,029 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:28:47,029 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:28:47,030 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:47,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:47,030 INFO L82 PathProgramCache]: Analyzing trace with hash -513401429, now seen corresponding path program 1 times [2020-10-29 09:28:47,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:47,031 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [94536362] [2020-10-29 09:28:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:47,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:47,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:47,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:47,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:47,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:48,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:49,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 64 [2020-10-29 09:28:50,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:28:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3249 [2020-10-29 09:28:50,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:28:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:28:50,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 09:28:50,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:50,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:50,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:50,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:28:50,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:50,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:50,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:50,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:50,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 09:28:50,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:28:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-29 09:28:50,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:50,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 09:28:50,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:50,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:28:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:50,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:50,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:50,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:28:50,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:28:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:50,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:28:50,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:28:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:50,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:50,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:50,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:28:50,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,517 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:28:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:50,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:50,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-29 09:28:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:50,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:50,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:50,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:50,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:50,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:28:50,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:50,547 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:28:50,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:50,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 09:28:50,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [94536362] [2020-10-29 09:28:50,557 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:28:50,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:28:50,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684791290] [2020-10-29 09:28:50,559 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:28:50,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:50,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:28:50,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:28:50,560 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand 10 states. [2020-10-29 09:28:50,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:28:50,998 INFO L93 Difference]: Finished difference Result 75 states and 87 transitions. [2020-10-29 09:28:50,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:28:50,998 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 48 [2020-10-29 09:28:50,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:28:51,002 INFO L225 Difference]: With dead ends: 75 [2020-10-29 09:28:51,002 INFO L226 Difference]: Without dead ends: 60 [2020-10-29 09:28:51,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=209, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:28:51,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-10-29 09:28:51,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 49. [2020-10-29 09:28:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-29 09:28:51,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 57 transitions. [2020-10-29 09:28:51,022 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 57 transitions. Word has length 48 [2020-10-29 09:28:51,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:28:51,023 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 57 transitions. [2020-10-29 09:28:51,023 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:28:51,023 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 57 transitions. [2020-10-29 09:28:51,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-29 09:28:51,025 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:51,025 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:28:51,025 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:28:51,025 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:51,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:51,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1904183361, now seen corresponding path program 1 times [2020-10-29 09:28:51,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:51,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540534197] [2020-10-29 09:28:51,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:51,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:51,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:51,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:51,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:51,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:51,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65 [2020-10-29 09:28:52,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:28:52,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1063 [2020-10-29 09:28:52,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,113 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 09:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:28:52,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 09:28:52,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:52,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:52,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:52,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:52,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:52,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:28:52,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,464 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:52,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:52,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:52,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 09:28:52,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-29 09:28:52,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:28:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:52,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-29 09:28:52,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:52,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:28:52,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:52,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:52,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:52,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:52,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:52,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:28:52,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:52,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:28:52,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:52,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 48 [2020-10-29 09:28:52,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:28:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:28:52,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:52,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:28:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:52,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:52,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:52,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:52,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:52,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:28:52,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:52,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:28:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:52,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:52,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:52,928 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 09:28:52,928 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540534197] [2020-10-29 09:28:52,928 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:28:52,928 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 09:28:52,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202958784] [2020-10-29 09:28:52,929 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 09:28:52,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:52,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 09:28:52,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=537, Unknown=0, NotChecked=0, Total=600 [2020-10-29 09:28:52,931 INFO L87 Difference]: Start difference. First operand 49 states and 57 transitions. Second operand 25 states. [2020-10-29 09:28:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:28:54,771 INFO L93 Difference]: Finished difference Result 120 states and 149 transitions. [2020-10-29 09:28:54,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-29 09:28:54,772 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 49 [2020-10-29 09:28:54,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:28:54,776 INFO L225 Difference]: With dead ends: 120 [2020-10-29 09:28:54,776 INFO L226 Difference]: Without dead ends: 91 [2020-10-29 09:28:54,778 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=189, Invalid=1533, Unknown=0, NotChecked=0, Total=1722 [2020-10-29 09:28:54,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-29 09:28:54,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 63. [2020-10-29 09:28:54,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-29 09:28:54,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2020-10-29 09:28:54,807 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 49 [2020-10-29 09:28:54,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:28:54,808 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2020-10-29 09:28:54,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 09:28:54,808 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2020-10-29 09:28:54,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-29 09:28:54,812 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:28:54,813 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:28:54,813 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:28:54,815 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:28:54,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:28:54,816 INFO L82 PathProgramCache]: Analyzing trace with hash 1800572765, now seen corresponding path program 2 times [2020-10-29 09:28:54,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:28:54,817 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589147259] [2020-10-29 09:28:54,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:28:54,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:54,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:54,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:56,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:56,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-29 09:28:56,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:56,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1589 [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 09:28:56,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:56,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:28:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:56,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:56,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:56,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:28:56,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:56,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:28:56,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:56,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:28:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:56,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:28:56,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:28:56,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:56,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:56,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:56,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:56,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:28:56,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:28:56,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-10-29 09:28:56,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:56,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-29 09:28:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:56,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 09:28:56,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:57,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:28:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:57,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:57,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:57,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:57,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-29 09:28:57,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:57,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:28:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:28:57,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:28:57,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:28:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:57,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:57,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:57,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:28:57,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:57,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-29 09:28:57,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:57,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:28:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:28:57,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:28:57,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:28:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:28:57,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:28:57,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:28:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:28:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:28:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:28:57,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:28:57,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:28:57,610 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 2 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 09:28:57,610 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589147259] [2020-10-29 09:28:57,611 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:28:57,611 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 09:28:57,611 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608045234] [2020-10-29 09:28:57,612 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 09:28:57,612 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:28:57,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 09:28:57,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=643, Unknown=0, NotChecked=0, Total=702 [2020-10-29 09:28:57,613 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand 27 states. [2020-10-29 09:29:00,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:00,450 INFO L93 Difference]: Finished difference Result 101 states and 130 transitions. [2020-10-29 09:29:00,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-29 09:29:00,452 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 54 [2020-10-29 09:29:00,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:00,458 INFO L225 Difference]: With dead ends: 101 [2020-10-29 09:29:00,459 INFO L226 Difference]: Without dead ends: 97 [2020-10-29 09:29:00,461 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=217, Invalid=2135, Unknown=0, NotChecked=0, Total=2352 [2020-10-29 09:29:00,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-10-29 09:29:00,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 81. [2020-10-29 09:29:00,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-29 09:29:00,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 102 transitions. [2020-10-29 09:29:00,504 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 102 transitions. Word has length 54 [2020-10-29 09:29:00,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:00,505 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 102 transitions. [2020-10-29 09:29:00,505 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 09:29:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2020-10-29 09:29:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-29 09:29:00,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:00,511 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:00,512 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:29:00,512 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:00,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:00,513 INFO L82 PathProgramCache]: Analyzing trace with hash -903538949, now seen corresponding path program 3 times [2020-10-29 09:29:00,513 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:00,513 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1434757292] [2020-10-29 09:29:00,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:00,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:00,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:00,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:00,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:00,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:01,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:02,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:02,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 09:29:02,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:29:02,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2255 [2020-10-29 09:29:02,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:02,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:29:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:02,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 09:29:02,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:02,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:02,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:02,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:02,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:02,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:02,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:02,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:29:02,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:02,865 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:02,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:02,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:02,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:02,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:02,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:02,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:03,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:29:03,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:03,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-29 09:29:03,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:03,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:03,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:03,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:29:03,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:29:03,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:03,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:03,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:03,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-29 09:29:03,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:03,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:29:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:29:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:03,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-29 09:29:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:03,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:03,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:03,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:29:03,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:03,101 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:03,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:29:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:03,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:29:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:03,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:29:03,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:03,117 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:29:03,117 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1434757292] [2020-10-29 09:29:03,117 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:29:03,117 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:29:03,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435778867] [2020-10-29 09:29:03,118 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:29:03,118 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:03,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:29:03,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:29:03,120 INFO L87 Difference]: Start difference. First operand 81 states and 102 transitions. Second operand 10 states. [2020-10-29 09:29:03,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:03,622 INFO L93 Difference]: Finished difference Result 120 states and 147 transitions. [2020-10-29 09:29:03,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:29:03,623 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-10-29 09:29:03,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:03,624 INFO L225 Difference]: With dead ends: 120 [2020-10-29 09:29:03,625 INFO L226 Difference]: Without dead ends: 81 [2020-10-29 09:29:03,626 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:29:03,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-29 09:29:03,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2020-10-29 09:29:03,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-29 09:29:03,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 98 transitions. [2020-10-29 09:29:03,643 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 98 transitions. Word has length 55 [2020-10-29 09:29:03,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:03,643 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 98 transitions. [2020-10-29 09:29:03,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:29:03,643 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 98 transitions. [2020-10-29 09:29:03,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-29 09:29:03,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:03,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:03,645 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:29:03,645 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:03,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:03,646 INFO L82 PathProgramCache]: Analyzing trace with hash 622939343, now seen corresponding path program 4 times [2020-10-29 09:29:03,646 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:03,646 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1515319619] [2020-10-29 09:29:03,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:03,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:03,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:04,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 09:29:07,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:29:07,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3676 [2020-10-29 09:29:07,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,343 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:29:07,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:07,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-29 09:29:07,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:07,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:07,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:07,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:07,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:29:07,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,427 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:07,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:07,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:07,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:07,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:07,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:07,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:29:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 125 [2020-10-29 09:29:07,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:07,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:29:07,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:29:07,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:07,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:07,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:29:07,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,618 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:07,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:29:07,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:29:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:07,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:29:07,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 09:29:07,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:29:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:29:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:29:07,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:07,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-29 09:29:07,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:07,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:07,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:07,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:07,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:07,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:29:07,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:07,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:29:07,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:07,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:07,729 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:29:07,729 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1515319619] [2020-10-29 09:29:07,729 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:29:07,729 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:29:07,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023621725] [2020-10-29 09:29:07,730 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:29:07,730 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:07,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:29:07,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:29:07,733 INFO L87 Difference]: Start difference. First operand 81 states and 98 transitions. Second operand 10 states. [2020-10-29 09:29:08,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:08,356 INFO L93 Difference]: Finished difference Result 103 states and 122 transitions. [2020-10-29 09:29:08,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:29:08,357 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-10-29 09:29:08,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:08,358 INFO L225 Difference]: With dead ends: 103 [2020-10-29 09:29:08,358 INFO L226 Difference]: Without dead ends: 78 [2020-10-29 09:29:08,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-29 09:29:08,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-10-29 09:29:08,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2020-10-29 09:29:08,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 09:29:08,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 91 transitions. [2020-10-29 09:29:08,386 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 91 transitions. Word has length 55 [2020-10-29 09:29:08,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:08,387 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 91 transitions. [2020-10-29 09:29:08,387 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:29:08,387 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 91 transitions. [2020-10-29 09:29:08,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-29 09:29:08,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:08,389 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:08,389 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:29:08,389 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:08,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:08,390 INFO L82 PathProgramCache]: Analyzing trace with hash 254609770, now seen corresponding path program 1 times [2020-10-29 09:29:08,390 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:08,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766786678] [2020-10-29 09:29:08,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:08,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:08,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:08,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:09,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:09,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:09,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:10,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:10,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:13,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:13,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 09:29:13,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 09:29:13,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-29 09:29:13,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:13,420 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-29 09:29:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:13,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 55 [2020-10-29 09:29:13,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:29:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:13,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:13,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:13,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:13,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:13,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:13,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:13,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:13,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:14,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:14,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:29:14,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:14,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 336 [2020-10-29 09:29:14,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:14,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-29 09:29:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:14,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:29:14,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:29:14,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:14,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:14,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:14,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:14,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:14,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:29:14,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:14,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:29:14,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:14,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:14,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:14,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:14,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:14,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-29 09:29:14,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:14,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:29:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:29:14,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:29:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:14,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:29:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:14,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:14,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:14,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:14,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:14,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:29:14,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:14,649 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:29:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:14,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:29:14,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:14,815 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 09:29:14,816 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766786678] [2020-10-29 09:29:14,816 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:29:14,816 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-29 09:29:14,818 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310569876] [2020-10-29 09:29:14,819 INFO L461 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-29 09:29:14,824 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:14,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-29 09:29:14,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=640, Unknown=0, NotChecked=0, Total=702 [2020-10-29 09:29:14,828 INFO L87 Difference]: Start difference. First operand 77 states and 91 transitions. Second operand 27 states. [2020-10-29 09:29:17,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:17,492 INFO L93 Difference]: Finished difference Result 103 states and 126 transitions. [2020-10-29 09:29:17,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-29 09:29:17,494 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 55 [2020-10-29 09:29:17,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:17,496 INFO L225 Difference]: With dead ends: 103 [2020-10-29 09:29:17,496 INFO L226 Difference]: Without dead ends: 99 [2020-10-29 09:29:17,498 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 359 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=212, Invalid=1950, Unknown=0, NotChecked=0, Total=2162 [2020-10-29 09:29:17,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-29 09:29:17,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 92. [2020-10-29 09:29:17,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2020-10-29 09:29:17,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 114 transitions. [2020-10-29 09:29:17,535 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 114 transitions. Word has length 55 [2020-10-29 09:29:17,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:17,537 INFO L481 AbstractCegarLoop]: Abstraction has 92 states and 114 transitions. [2020-10-29 09:29:17,537 INFO L482 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-29 09:29:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 114 transitions. [2020-10-29 09:29:17,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 09:29:17,539 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:17,539 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:17,539 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:29:17,539 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:17,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:17,540 INFO L82 PathProgramCache]: Analyzing trace with hash 33974711, now seen corresponding path program 5 times [2020-10-29 09:29:17,540 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:17,540 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462632778] [2020-10-29 09:29:17,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:17,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:17,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:17,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:17,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:17,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:17,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:18,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:19,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:22,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 36 [2020-10-29 09:29:22,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:22,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:22,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:29:22,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,647 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:22,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:22,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:22,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-29 09:29:22,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:29:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:22,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:22,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:29:22,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:22,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:29:22,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-29 09:29:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:22,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:22,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:29:22,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-29 09:29:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:29:22,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:22,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-29 09:29:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:22,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:22,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:22,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:29:22,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:22,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:22,792 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 09:29:22,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462632778] [2020-10-29 09:29:22,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:29:22,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:29:22,793 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776467750] [2020-10-29 09:29:22,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:29:22,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:22,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:29:22,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:29:22,795 INFO L87 Difference]: Start difference. First operand 92 states and 114 transitions. Second operand 9 states. [2020-10-29 09:29:23,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:23,155 INFO L93 Difference]: Finished difference Result 136 states and 161 transitions. [2020-10-29 09:29:23,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:29:23,160 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-29 09:29:23,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:23,161 INFO L225 Difference]: With dead ends: 136 [2020-10-29 09:29:23,161 INFO L226 Difference]: Without dead ends: 69 [2020-10-29 09:29:23,162 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:29:23,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-29 09:29:23,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2020-10-29 09:29:23,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2020-10-29 09:29:23,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 77 transitions. [2020-10-29 09:29:23,181 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 77 transitions. Word has length 57 [2020-10-29 09:29:23,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:23,182 INFO L481 AbstractCegarLoop]: Abstraction has 68 states and 77 transitions. [2020-10-29 09:29:23,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:29:23,182 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2020-10-29 09:29:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-10-29 09:29:23,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:23,183 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:23,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 09:29:23,183 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:23,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:23,184 INFO L82 PathProgramCache]: Analyzing trace with hash -425602819, now seen corresponding path program 2 times [2020-10-29 09:29:23,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:23,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1513665104] [2020-10-29 09:29:23,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:23,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:23,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:23,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:23,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:23,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:23,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:24,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3905 [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:29:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:27,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 09:29:27,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:27,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:27,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:27,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:27,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:27,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:27,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:29:27,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:29:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:27,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:27,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:29:27,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,312 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:27,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:29:27,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:29:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:27,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:27,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:29:27,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,326 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:27,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:27,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:29:27,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:29:27,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:27,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:29:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:29:27,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:29:27,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:27,388 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 09:29:27,388 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1513665104] [2020-10-29 09:29:27,388 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:29:27,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:29:27,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982595697] [2020-10-29 09:29:27,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:29:27,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:27,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:29:27,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:29:27,390 INFO L87 Difference]: Start difference. First operand 68 states and 77 transitions. Second operand 10 states. [2020-10-29 09:29:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:27,858 INFO L93 Difference]: Finished difference Result 90 states and 100 transitions. [2020-10-29 09:29:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:29:27,859 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 56 [2020-10-29 09:29:27,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:27,860 INFO L225 Difference]: With dead ends: 90 [2020-10-29 09:29:27,861 INFO L226 Difference]: Without dead ends: 62 [2020-10-29 09:29:27,862 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=57, Invalid=183, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:29:27,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-29 09:29:27,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2020-10-29 09:29:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2020-10-29 09:29:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 67 transitions. [2020-10-29 09:29:27,872 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 67 transitions. Word has length 56 [2020-10-29 09:29:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:27,872 INFO L481 AbstractCegarLoop]: Abstraction has 62 states and 67 transitions. [2020-10-29 09:29:27,872 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:29:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 67 transitions. [2020-10-29 09:29:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 09:29:27,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:29:27,873 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:29:27,873 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 09:29:27,874 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:29:27,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:29:27,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2135415992, now seen corresponding path program 1 times [2020-10-29 09:29:27,874 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:29:27,874 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444175691] [2020-10-29 09:29:27,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:29:27,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:27,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:27,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:28,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:32,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:32,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 09:29:32,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 9 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4949 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-29 09:29:32,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:29:33,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:29:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:33,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:29:33,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:29:33,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-29 09:29:33,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:29:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:29:33,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:33,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:29:33,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:29:33,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:29:33,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:29:33,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-29 09:29:33,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:29:33,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:29:33,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:29:33,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-29 09:29:33,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:29:33,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:29:33,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:29:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:29:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:29:33,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:29:33,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:29:33,590 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 09:29:33,590 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444175691] [2020-10-29 09:29:33,590 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:29:33,590 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 09:29:33,591 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283116020] [2020-10-29 09:29:33,591 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 09:29:33,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:29:33,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 09:29:33,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-10-29 09:29:33,592 INFO L87 Difference]: Start difference. First operand 62 states and 67 transitions. Second operand 25 states. [2020-10-29 09:29:35,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:29:35,084 INFO L93 Difference]: Finished difference Result 62 states and 67 transitions. [2020-10-29 09:29:35,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-29 09:29:35,085 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 64 [2020-10-29 09:29:35,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:29:35,086 INFO L225 Difference]: With dead ends: 62 [2020-10-29 09:29:35,086 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:29:35,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=233, Invalid=1407, Unknown=0, NotChecked=0, Total=1640 [2020-10-29 09:29:35,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:29:35,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:29:35,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:29:35,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:29:35,088 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-29 09:29:35,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:29:35,089 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:29:35,089 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 09:29:35,089 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:29:35,089 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:29:35,089 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 09:29:35,092 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:29:35,752 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 45 [2020-10-29 09:29:36,122 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 43 [2020-10-29 09:29:36,420 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 48 [2020-10-29 09:29:36,562 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 33 [2020-10-29 09:29:36,678 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 29 [2020-10-29 09:29:36,813 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 37 [2020-10-29 09:29:36,819 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-29 09:29:36,819 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-29 09:29:36,819 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-29 09:29:36,820 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-29 09:29:36,820 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-29 09:29:36,820 INFO L270 CegarLoopResult]: At program point dll_update_atENTRY(lines 617 623) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-29 09:29:36,820 INFO L274 CegarLoopResult]: For program point dll_update_atEXIT(lines 617 623) no Hoare annotation was computed. [2020-10-29 09:29:36,821 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse4 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse2 (= dll_update_at_~data |dll_update_at_#in~data|)) (.cse5 (= |#memory_int| |old(#memory_int)|)) (.cse6 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (let ((.cse3 (and .cse4 (= dll_update_at_~head.offset |dll_update_at_#in~head.offset|) .cse2 .cse5 (= dll_update_at_~index |dll_update_at_#in~index|) .cse6 (= |dll_update_at_#in~head.base| dll_update_at_~head.base)))) (and (let ((.cse0 (<= (+ dll_update_at_~index 1) |dll_update_at_#in~index|))) (or (and (<= 2 |dll_update_at_#in~index|) .cse0) (let ((.cse1 (+ |dll_update_at_#in~head.offset| 4))) (and (= dll_update_at_~head.base (select (select |old(#memory_$Pointer$.base)| |dll_update_at_#in~head.base|) .cse1)) (<= |dll_update_at_#in~data| dll_update_at_~data) (or (and (= dll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_update_at_#in~head.base|) .cse1)) .cse2) (= |dll_update_at_#in~head.base| (select (select |#memory_$Pointer$.base| |dll_update_at_#in~head.base|) .cse1))) .cse0)) .cse3)) (or (and .cse4 .cse5 .cse6 (<= 1 |dll_update_at_#in~index|)) .cse3)))) [2020-10-29 09:29:36,821 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-29 09:29:36,821 INFO L274 CegarLoopResult]: For program point dll_update_atFINAL(lines 617 623) no Hoare annotation was computed. [2020-10-29 09:29:36,821 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:29:36,829 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:29:36,829 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-29 09:29:36,830 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L270 CegarLoopResult]: At program point dll_createENTRY(lines 585 602) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point dll_createFINAL(lines 585 602) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point L595(lines 595 597) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point L595-2(lines 595 597) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point L589(lines 589 591) no Hoare annotation was computed. [2020-10-29 09:29:36,830 INFO L274 CegarLoopResult]: For program point L589-1(lines 589 591) no Hoare annotation was computed. [2020-10-29 09:29:36,831 INFO L270 CegarLoopResult]: At program point L587-2(lines 587 600) the Hoare annotation is: (let ((.cse0 (= (select |#valid| dll_create_~new_head~0.base) 1)) (.cse1 (= (select |#valid| dll_create_~head~0.base) 1))) (or (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= dll_create_~len |dll_create_#in~len|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (and .cse0 (= dll_create_~head~0.offset 0) (not (= (select (select |#memory_$Pointer$.base| dll_create_~new_head~0.base) (+ dll_create_~new_head~0.offset 4)) dll_create_~new_head~0.base)) (not (= (select (select |#memory_$Pointer$.base| dll_create_~head~0.base) 4) dll_create_~head~0.base)) (= dll_create_~new_head~0.offset 0) .cse1) (and .cse0 (= (+ dll_create_~len 1) |dll_create_#in~len|) .cse1))) [2020-10-29 09:29:36,831 INFO L274 CegarLoopResult]: For program point L587-3(lines 587 600) no Hoare annotation was computed. [2020-10-29 09:29:36,834 INFO L274 CegarLoopResult]: For program point dll_createEXIT(lines 585 602) no Hoare annotation was computed. [2020-10-29 09:29:36,834 INFO L277 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: true [2020-10-29 09:29:36,834 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:29:36,834 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:29:36,835 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:29:36,835 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:29:36,835 INFO L270 CegarLoopResult]: At program point L611-2(lines 611 614) the Hoare annotation is: (let ((.cse1 (<= (+ dll_get_data_at_~index 1) |dll_get_data_at_#in~index|))) (or (let ((.cse0 (+ |dll_get_data_at_#in~head.offset| 4))) (and (= dll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |dll_get_data_at_#in~head.base|) .cse0)) (= (select (select |#memory_$Pointer$.base| |dll_get_data_at_#in~head.base|) .cse0) dll_get_data_at_~head.base) (<= 1 |dll_get_data_at_#in~index|) .cse1)) (and .cse1 (<= 2 |dll_get_data_at_#in~index|)) (and (= |dll_get_data_at_#in~index| dll_get_data_at_~index) (= |dll_get_data_at_#in~head.base| dll_get_data_at_~head.base) (= dll_get_data_at_~head.offset |dll_get_data_at_#in~head.offset|)))) [2020-10-29 09:29:36,836 INFO L274 CegarLoopResult]: For program point L611-3(lines 611 614) no Hoare annotation was computed. [2020-10-29 09:29:36,842 INFO L274 CegarLoopResult]: For program point dll_get_data_atFINAL(lines 610 616) no Hoare annotation was computed. [2020-10-29 09:29:36,842 INFO L277 CegarLoopResult]: At program point dll_get_data_atENTRY(lines 610 616) the Hoare annotation is: true [2020-10-29 09:29:36,842 INFO L274 CegarLoopResult]: For program point dll_get_data_atEXIT(lines 610 616) no Hoare annotation was computed. [2020-10-29 09:29:36,843 INFO L270 CegarLoopResult]: At program point L636(lines 624 643) the Hoare annotation is: false [2020-10-29 09:29:36,843 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 624 643) no Hoare annotation was computed. [2020-10-29 09:29:36,843 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 624 643) no Hoare annotation was computed. [2020-10-29 09:29:36,843 INFO L274 CegarLoopResult]: For program point L641(line 641) no Hoare annotation was computed. [2020-10-29 09:29:36,843 INFO L274 CegarLoopResult]: For program point L639(line 639) no Hoare annotation was computed. [2020-10-29 09:29:36,843 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 624 643) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:29:36,843 INFO L270 CegarLoopResult]: At program point L635(line 635) the Hoare annotation is: (let ((.cse6 (let ((.cse7 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (.cse5 (+ main_~i~0 1))) (let ((.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse0 (<= 2 main_~len~0)) (.cse1 (<= .cse5 main_~len~0)) (.cse3 (<= .cse6 (+ main_~len~0 1))) (.cse4 (<= (* 2 main_~len~0) (+ .cse6 1)))) (or (and .cse0 .cse1 (= .cse2 main_~expected~0) (<= 0 main_~i~0) .cse3 (= (+ main_~i~0 main_~len~0) .cse2) .cse4) (and (<= main_~len~0 .cse2) .cse0 .cse1 (<= main_~len~0 .cse5) .cse3 .cse4 (<= main_~expected~0 .cse6) (<= (+ main_~i~0 .cse6) (+ main_~expected~0 1)))))) [2020-10-29 09:29:36,844 INFO L274 CegarLoopResult]: For program point L635-1(line 635) no Hoare annotation was computed. [2020-10-29 09:29:36,844 INFO L274 CegarLoopResult]: For program point L635-2(lines 635 637) no Hoare annotation was computed. [2020-10-29 09:29:36,844 INFO L270 CegarLoopResult]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (<= (+ main_~i~0 (* 2 main_~len~0)) (+ main_~new_data~0 2))) (.cse2 (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) (+ main_~s~0.offset 4)) main_~s~0.base))) (.cse1 (<= 2 main_~len~0))) (or (and .cse0 .cse1 .cse2 (<= main_~len~0 (+ main_~i~0 1)) (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (<= main_~new_data~0 (+ main_~len~0 1))) (and .cse0 .cse2 .cse1 (<= 0 main_~i~0) (<= main_~new_data~0 main_~len~0)))) [2020-10-29 09:29:36,844 INFO L274 CegarLoopResult]: For program point L633-2(lines 633 638) no Hoare annotation was computed. [2020-10-29 09:29:36,844 INFO L274 CegarLoopResult]: For program point L631-1(lines 629 632) no Hoare annotation was computed. [2020-10-29 09:29:36,844 INFO L270 CegarLoopResult]: At program point L633-3(lines 633 638) the Hoare annotation is: (let ((.cse4 (let ((.cse5 (+ main_~s~0.offset 4))) (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse5)) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse5))))) (let ((.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse0 (<= 2 main_~len~0)) (.cse1 (<= .cse4 (+ main_~len~0 1))) (.cse3 (<= (* 2 main_~len~0) (+ .cse4 1)))) (or (and .cse0 .cse1 (= (+ main_~i~0 main_~len~0) .cse2) .cse3 (<= main_~len~0 (+ main_~i~0 2))) (and (<= main_~len~0 .cse2) .cse0 (<= main_~len~0 (+ main_~i~0 1)) .cse1 .cse3) (and .cse0 .cse1 (<= main_~len~0 main_~i~0) .cse3)))) [2020-10-29 09:29:36,845 INFO L270 CegarLoopResult]: At program point L633-4(lines 633 638) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-29 09:29:36,845 INFO L270 CegarLoopResult]: At program point L627(line 627) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:29:36,845 INFO L270 CegarLoopResult]: At program point L629-2(lines 629 632) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse3 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse0 (not (= .cse5 main_~s~0.base))) (.cse1 (<= main_~len~0 2)) (.cse2 (= main_~len~0 .cse3))) (or (and .cse0 .cse1 (<= (+ main_~i~0 2) main_~len~0) (<= 0 main_~i~0)) (and (<= (+ main_~i~0 1) main_~len~0) .cse0 .cse1 (<= main_~len~0 main_~new_data~0) (<= 1 main_~i~0) .cse2 (<= main_~new_data~0 main_~len~0)) (let ((.cse4 (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)))) (and (<= main_~i~0 .cse3) (<= 2 main_~len~0) (<= .cse4 (+ main_~len~0 1)) (<= main_~len~0 main_~i~0) .cse2 (<= (* 2 main_~len~0) (+ .cse4 1)))))))) [2020-10-29 09:29:36,845 INFO L274 CegarLoopResult]: For program point L627-1(line 627) no Hoare annotation was computed. [2020-10-29 09:29:36,845 INFO L274 CegarLoopResult]: For program point L629-3(lines 629 632) no Hoare annotation was computed. [2020-10-29 09:29:36,845 INFO L274 CegarLoopResult]: For program point dll_destroyEXIT(lines 603 609) no Hoare annotation was computed. [2020-10-29 09:29:36,845 INFO L270 CegarLoopResult]: At program point dll_destroyENTRY(lines 603 609) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-29 09:29:36,846 INFO L277 CegarLoopResult]: At program point L604-2(lines 604 608) the Hoare annotation is: true [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point L604-3(lines 603 609) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point node_createENTRY(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:29:36,846 INFO L274 CegarLoopResult]: For program point L578(line 578) no Hoare annotation was computed. [2020-10-29 09:29:36,879 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,880 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,883 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,884 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,888 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,889 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,890 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,891 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,898 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,899 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,907 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,918 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,919 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,920 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,921 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,930 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,931 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:36,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,933 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,934 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:36,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:36,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,935 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,936 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,937 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,938 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,938 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,939 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,939 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,941 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,942 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,942 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,943 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,946 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,947 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,948 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:36,954 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:29:36 BoogieIcfgContainer [2020-10-29 09:29:36,954 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:29:36,956 INFO L168 Benchmark]: Toolchain (without parser) took 61230.92 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 129.9 MB in the beginning and 499.2 MB in the end (delta: -369.2 MB). Peak memory consumption was 401.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:29:36,956 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 156.2 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:29:36,957 INFO L168 Benchmark]: CACSL2BoogieTranslator took 588.06 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 106.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:29:36,957 INFO L168 Benchmark]: Boogie Preprocessor took 89.71 ms. Allocated memory is still 156.2 MB. Free memory was 106.5 MB in the beginning and 138.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:29:36,958 INFO L168 Benchmark]: RCFGBuilder took 912.22 ms. Allocated memory is still 156.2 MB. Free memory was 138.1 MB in the beginning and 90.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. [2020-10-29 09:29:36,959 INFO L168 Benchmark]: TraceAbstraction took 59628.92 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 90.4 MB in the beginning and 499.2 MB in the end (delta: -408.8 MB). Peak memory consumption was 360.3 MB. Max. memory is 8.0 GB. [2020-10-29 09:29:36,962 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 156.2 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 588.06 ms. Allocated memory is still 156.2 MB. Free memory was 129.3 MB in the beginning and 106.6 MB in the end (delta: 22.7 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 89.71 ms. Allocated memory is still 156.2 MB. Free memory was 106.5 MB in the beginning and 138.1 MB in the end (delta: -31.6 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 912.22 ms. Allocated memory is still 156.2 MB. Free memory was 138.1 MB in the beginning and 90.9 MB in the end (delta: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 59628.92 ms. Allocated memory was 156.2 MB in the beginning and 676.3 MB in the end (delta: 520.1 MB). Free memory was 90.4 MB in the beginning and 499.2 MB in the end (delta: -408.8 MB). Peak memory consumption was 360.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 604]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 629]: Loop Invariant [2020-10-29 09:29:36,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,998 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:36,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:36,999 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,005 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,006 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,007 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,008 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && i + 2 <= len) && 0 <= i) || ((((((i + 1 <= len && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && len <= new_data) && 1 <= i) && len == unknown-#memory_int-unknown[s][s]) && new_data <= len)) || (((((i <= unknown-#memory_int-unknown[s][s] && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len <= i) && len == unknown-#memory_int-unknown[s][s]) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) - InvariantResult [Line: 618]: Loop Invariant [2020-10-29 09:29:37,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,009 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,010 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,012 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,016 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,019 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,020 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,021 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,022 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,022 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,023 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,024 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,025 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) && index + 1 <= \old(index)) || (((head == \old(#memory_$Pointer$)[head][head + 4] && \old(data) <= data) && ((head == #memory_$Pointer$[head][head + 4] && data == \old(data)) || head == #memory_$Pointer$[head][head + 4])) && index + 1 <= \old(index))) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && data == \old(data)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head)) && ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 1 <= \old(index)) || ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && head == head) && data == \old(data)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && index == \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == head)) - InvariantResult [Line: 587]: Loop Invariant [2020-10-29 09:29:37,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,027 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,028 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,030 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && len == \old(len)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) || (((((\valid[new_head] == 1 && head == 0) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && !(#memory_$Pointer$[head][4] == head)) && new_head == 0) && \valid[head] == 1)) || ((\valid[new_head] == 1 && len + 1 == \old(len)) && \valid[head] == 1) - InvariantResult [Line: 624]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 611]: Loop Invariant [2020-10-29 09:29:37,032 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,033 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,033 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((head == #memory_$Pointer$[head][head + 4] && #memory_$Pointer$[head][head + 4] == head) && 1 <= \old(index)) && index + 1 <= \old(index)) || (index + 1 <= \old(index) && 2 <= \old(index))) || ((\old(index) == index && head == head) && head == head) - InvariantResult [Line: 633]: Loop Invariant [2020-10-29 09:29:37,034 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,040 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,041 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,042 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,043 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,044 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,045 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,046 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:29:37,048 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:29:37,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,049 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,050 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:29:37,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:29:37,051 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((2 <= len && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && i + len == unknown-#memory_int-unknown[s][s]) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len <= i + 2) || ((((len <= unknown-#memory_int-unknown[s][s] && 2 <= len) && len <= i + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1)) || (((2 <= len && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && len <= i) && 2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 57.6s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 13.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 428 SDtfs, 782 SDslu, 2038 SDs, 0 SdLazy, 5842 SolverSat, 519 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 385 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1432 ImplicationChecksByTransitivity, 8.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=92occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 135 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 80 PreInvPairs, 131 NumberOfFragments, 879 HoareAnnotationTreeSize, 80 FomulaSimplifications, 78932 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 23 FomulaSimplificationsInter, 1683 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 43.6s InterpolantComputationTime, 598 NumberOfCodeBlocks, 598 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 586 ConstructedInterpolants, 0 QuantifiedInterpolants, 172536 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 122/199 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...