/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=SHALLOWEST --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/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:27:22,900 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:27:22,902 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:27:22,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:27:22,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:27:22,951 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:27:22,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:27:22,955 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:27:22,958 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:27:22,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:27:22,960 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:27:22,962 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:27:22,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:27:22,964 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:27:22,965 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:27:22,967 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:27:22,968 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:27:22,969 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:27:22,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:27:22,984 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:27:22,986 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:27:22,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:27:22,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:27:22,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:27:22,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:27:22,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:27:22,994 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:27:22,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:27:22,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:27:22,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:27:22,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:27:22,998 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:27:22,999 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:27:23,000 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:27:23,002 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:27:23,002 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:27:23,003 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:27:23,003 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:27:23,003 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:27:23,005 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:27:23,006 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:27:23,007 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 [2020-10-27 01:27:23,054 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:27:23,055 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:27:23,056 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:27:23,057 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:27:23,058 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:27:23,059 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:27:23,059 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:27:23,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:27:23,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:27:23,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:27:23,060 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:27:23,060 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:27:23,060 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:27:23,060 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:27:23,061 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:27:23,061 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:27:23,063 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:27:23,063 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:27:23,063 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:27:23,064 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:27:23,064 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:27:23,064 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:27:23,065 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:27:23,065 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:27:23,065 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:27:23,066 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:27:23,066 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:27:23,066 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:27:23,066 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:27:23,066 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:27:23,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:27:23,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:27:23,553 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:27:23,554 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:27:23,555 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:27:23,556 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-27 01:27:23,646 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911342291/8560b66ea359444bbd6b7f4af44c665a/FLAGcd88e68c7 [2020-10-27 01:27:24,376 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:27:24,377 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-27 01:27:24,392 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911342291/8560b66ea359444bbd6b7f4af44c665a/FLAGcd88e68c7 [2020-10-27 01:27:24,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/911342291/8560b66ea359444bbd6b7f4af44c665a [2020-10-27 01:27:24,633 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:27:24,640 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:27:24,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:27:24,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:27:24,645 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:27:24,646 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:27:24" (1/1) ... [2020-10-27 01:27:24,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25b4f1ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:24, skipping insertion in model container [2020-10-27 01:27:24,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:27:24" (1/1) ... [2020-10-27 01:27:24,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:27:24,696 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:27:25,096 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:27:25,116 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:27:25,209 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:27:25,304 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:27:25,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25 WrapperNode [2020-10-27 01:27:25,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:27:25,306 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:27:25,306 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:27:25,306 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:27:25,320 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,408 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (1/1) ... [2020-10-27 01:27:25,437 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:27:25,438 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:27:25,438 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:27:25,438 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:27:25,439 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (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 [2020-10-27 01:27:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:27:25,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:27:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:27:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-27 01:27:25,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-27 01:27:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-27 01:27:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-27 01:27:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-27 01:27:25,571 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-27 01:27:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-27 01:27:25,572 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-27 01:27:25,573 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:27:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:27:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:27:25,573 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-27 01:27:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-27 01:27:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:27:25,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-27 01:27:25,575 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-27 01:27:25,576 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-27 01:27:25,577 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-27 01:27:25,578 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-27 01:27:25,579 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-27 01:27:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-27 01:27:25,580 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-27 01:27:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-27 01:27:25,581 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-27 01:27:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-27 01:27:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-27 01:27:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-27 01:27:25,582 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-27 01:27:25,583 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-27 01:27:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-27 01:27:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-27 01:27:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-27 01:27:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-27 01:27:25,584 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-27 01:27:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 01:27:25,585 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 01:27:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-27 01:27:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 01:27:25,587 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-27 01:27:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-27 01:27:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-27 01:27:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-27 01:27:25,588 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-27 01:27:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-27 01:27:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-27 01:27:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-27 01:27:25,589 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-27 01:27:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-27 01:27:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-27 01:27:25,590 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-27 01:27:25,591 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-27 01:27:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-27 01:27:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-27 01:27:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-27 01:27:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-27 01:27:25,592 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-27 01:27:25,593 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-27 01:27:25,594 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-27 01:27:25,595 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-27 01:27:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-27 01:27:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-27 01:27:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-27 01:27:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-27 01:27:25,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 01:27:25,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:27:25,602 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-27 01:27:25,604 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:27:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-27 01:27:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:27:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:27:25,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:27:25,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:27:26,196 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-27 01:27:26,328 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:27:26,328 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-27 01:27:26,330 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:27:26 BoogieIcfgContainer [2020-10-27 01:27:26,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:27:26,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:27:26,332 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:27:26,338 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:27:26,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:27:24" (1/3) ... [2020-10-27 01:27:26,340 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202b2b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:27:26, skipping insertion in model container [2020-10-27 01:27:26,341 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:27:25" (2/3) ... [2020-10-27 01:27:26,342 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@202b2b61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:27:26, skipping insertion in model container [2020-10-27 01:27:26,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:27:26" (3/3) ... [2020-10-27 01:27:26,344 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-10-27 01:27:26,361 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:27:26,366 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:27:26,382 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:27:26,422 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:27:26,423 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:27:26,423 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:27:26,423 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:27:26,423 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:27:26,423 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:27:26,423 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:27:26,424 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:27:26,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-27 01:27:26,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 01:27:26,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:26,452 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] [2020-10-27 01:27:26,453 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:26,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:26,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1464523986, now seen corresponding path program 1 times [2020-10-27 01:27:26,470 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:26,470 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911737340] [2020-10-27 01:27:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:26,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:26,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:26,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:26,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:27,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:27,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:28,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:28,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-27 01:27:28,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:27:28,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1623 [2020-10-27 01:27:28,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:28,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:27:28,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 01:27:28,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:28,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:28,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:28,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:28,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:28,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:28,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:28,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:28,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:28,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:28,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 01:27:28,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:28,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:28,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:28,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:28,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:28,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:28,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:27:28,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:28,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:28,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:27:28,455 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911737340] [2020-10-27 01:27:28,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:27:28,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 01:27:28,458 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614945682] [2020-10-27 01:27:28,471 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 01:27:28,471 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:28,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 01:27:28,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:27:28,489 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 7 states. [2020-10-27 01:27:29,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:29,031 INFO L93 Difference]: Finished difference Result 107 states and 141 transitions. [2020-10-27 01:27:29,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:27:29,033 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-10-27 01:27:29,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:29,042 INFO L225 Difference]: With dead ends: 107 [2020-10-27 01:27:29,042 INFO L226 Difference]: Without dead ends: 48 [2020-10-27 01:27:29,047 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:27:29,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-27 01:27:29,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 45. [2020-10-27 01:27:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2020-10-27 01:27:29,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2020-10-27 01:27:29,099 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 49 transitions. Word has length 27 [2020-10-27 01:27:29,099 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:29,099 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 49 transitions. [2020-10-27 01:27:29,099 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 01:27:29,099 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 49 transitions. [2020-10-27 01:27:29,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-27 01:27:29,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:29,101 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:27:29,101 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:27:29,102 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:29,102 INFO L82 PathProgramCache]: Analyzing trace with hash -2081182416, now seen corresponding path program 1 times [2020-10-27 01:27:29,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:29,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072712299] [2020-10-27 01:27:29,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:29,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:29,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:29,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:29,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:29,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:31,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:31,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-27 01:27:31,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:27:31,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2457 [2020-10-27 01:27:31,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:27:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:31,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 17 [2020-10-27 01:27:31,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:31,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:31,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:31,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:31,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:31,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:27:31,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:31,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:31,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 01:27:31,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:31,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:31,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:31,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:31,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 01:27:31,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-27 01:27:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:31,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:27:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:31,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:31,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:31,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:31,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:31,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-27 01:27:31,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:31,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:31,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:31,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-27 01:27:31,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:31,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:31,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:31,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:31,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:31,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:31,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:27:31,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:31,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:31,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:27:31,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072712299] [2020-10-27 01:27:31,878 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:27:31,878 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-27 01:27:31,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961276453] [2020-10-27 01:27:31,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:27:31,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:31,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:27:31,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:27:31,882 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. Second operand 8 states. [2020-10-27 01:27:32,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:32,299 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2020-10-27 01:27:32,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 01:27:32,300 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-10-27 01:27:32,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:32,302 INFO L225 Difference]: With dead ends: 79 [2020-10-27 01:27:32,302 INFO L226 Difference]: Without dead ends: 52 [2020-10-27 01:27:32,304 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2020-10-27 01:27:32,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-27 01:27:32,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 49. [2020-10-27 01:27:32,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-27 01:27:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 54 transitions. [2020-10-27 01:27:32,316 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 54 transitions. Word has length 36 [2020-10-27 01:27:32,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:32,317 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 54 transitions. [2020-10-27 01:27:32,317 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:27:32,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2020-10-27 01:27:32,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-27 01:27:32,319 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:32,320 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-27 01:27:32,320 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:27:32,320 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:32,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:32,321 INFO L82 PathProgramCache]: Analyzing trace with hash 1932289682, now seen corresponding path program 2 times [2020-10-27 01:27:32,321 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:32,321 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [797700626] [2020-10-27 01:27:32,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:32,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:32,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:32,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:32,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:32,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2313 [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:27:34,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-27 01:27:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:34,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:34,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:34,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:34,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:27:34,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:27:34,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:27:34,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:34,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:34,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:27:34,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:34,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:34,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:27:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:34,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:34,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:34,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:27:34,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:34,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:34,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:34,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-27 01:27:34,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:34,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:34,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:34,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:34,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:34,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:34,997 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-27 01:27:34,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [797700626] [2020-10-27 01:27:34,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:27:34,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:27:34,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844808831] [2020-10-27 01:27:34,999 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:27:34,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:35,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:27:35,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:27:35,000 INFO L87 Difference]: Start difference. First operand 49 states and 54 transitions. Second operand 8 states. [2020-10-27 01:27:35,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:35,444 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-10-27 01:27:35,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 01:27:35,445 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 45 [2020-10-27 01:27:35,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:35,448 INFO L225 Difference]: With dead ends: 77 [2020-10-27 01:27:35,448 INFO L226 Difference]: Without dead ends: 62 [2020-10-27 01:27:35,449 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2020-10-27 01:27:35,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-27 01:27:35,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2020-10-27 01:27:35,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-27 01:27:35,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 63 transitions. [2020-10-27 01:27:35,463 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 63 transitions. Word has length 45 [2020-10-27 01:27:35,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:35,464 INFO L481 AbstractCegarLoop]: Abstraction has 56 states and 63 transitions. [2020-10-27 01:27:35,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:27:35,464 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 63 transitions. [2020-10-27 01:27:35,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 01:27:35,466 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:35,466 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:27:35,466 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 01:27:35,467 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:35,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:35,467 INFO L82 PathProgramCache]: Analyzing trace with hash 1293637912, now seen corresponding path program 1 times [2020-10-27 01:27:35,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:35,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [519287200] [2020-10-27 01:27:35,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:35,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:35,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:35,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:35,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:36,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:36,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:36,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-27 01:27:38,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 01:27:38,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3016 [2020-10-27 01:27:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:38,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 43 [2020-10-27 01:27:38,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:27:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:38,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:38,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:38,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:38,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:38,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:38,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:27:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:27:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:27:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 01:27:38,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:27:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:38,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 01:27:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:27:38,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:38,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:38,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:27:38,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:38,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:38,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:27:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:38,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:38,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-27 01:27:38,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:38,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:38,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:38,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:38,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:27:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:38,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:38,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:38,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:27:38,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:38,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:38,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:38,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:27:38,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:38,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:38,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:38,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:27:38,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:38,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:38,944 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-27 01:27:38,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [519287200] [2020-10-27 01:27:38,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:27:38,945 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-27 01:27:38,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767085055] [2020-10-27 01:27:38,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-27 01:27:38,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:38,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-27 01:27:38,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-27 01:27:38,949 INFO L87 Difference]: Start difference. First operand 56 states and 63 transitions. Second operand 11 states. [2020-10-27 01:27:39,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:39,583 INFO L93 Difference]: Finished difference Result 85 states and 98 transitions. [2020-10-27 01:27:39,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 01:27:39,584 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 54 [2020-10-27 01:27:39,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:39,586 INFO L225 Difference]: With dead ends: 85 [2020-10-27 01:27:39,586 INFO L226 Difference]: Without dead ends: 64 [2020-10-27 01:27:39,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-10-27 01:27:39,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-27 01:27:39,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 59. [2020-10-27 01:27:39,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-27 01:27:39,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2020-10-27 01:27:39,622 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 54 [2020-10-27 01:27:39,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:39,622 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2020-10-27 01:27:39,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-27 01:27:39,622 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-10-27 01:27:39,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-27 01:27:39,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:39,627 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-27 01:27:39,627 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 01:27:39,628 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:39,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:39,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1063128334, now seen corresponding path program 2 times [2020-10-27 01:27:39,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:39,632 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2131358257] [2020-10-27 01:27:39,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:39,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:39,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:39,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:40,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-27 01:27:43,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-27 01:27:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3635 [2020-10-27 01:27:43,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:27:43,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:43,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-27 01:27:43,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:43,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:43,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:27:43,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:27:43,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 114 [2020-10-27 01:27:43,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:27:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:43,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:27:43,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:27:43,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:43,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:43,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:27:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:43,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:27:43,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:43,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:43,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:27:43,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:43,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:27:43,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:43,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:27:43,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:27:43,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:27:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 01:27:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:43,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:27:43,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:27:43,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:43,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 01:27:43,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:43,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:43,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:43,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:27:43,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:43,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:27:43,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:27:43,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:43,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:43,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 01:27:43,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2131358257] [2020-10-27 01:27:43,651 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:27:43,651 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 01:27:43,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008159162] [2020-10-27 01:27:43,652 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 01:27:43,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:43,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 01:27:43,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:27:43,653 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand 9 states. [2020-10-27 01:27:44,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:44,150 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2020-10-27 01:27:44,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 01:27:44,153 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-27 01:27:44,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:44,155 INFO L225 Difference]: With dead ends: 98 [2020-10-27 01:27:44,156 INFO L226 Difference]: Without dead ends: 67 [2020-10-27 01:27:44,157 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-27 01:27:44,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-27 01:27:44,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-27 01:27:44,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-27 01:27:44,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2020-10-27 01:27:44,179 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 62 [2020-10-27 01:27:44,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:44,180 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2020-10-27 01:27:44,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 01:27:44,180 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2020-10-27 01:27:44,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-27 01:27:44,182 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:44,182 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:27:44,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 01:27:44,183 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:44,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:44,183 INFO L82 PathProgramCache]: Analyzing trace with hash -641263960, now seen corresponding path program 1 times [2020-10-27 01:27:44,183 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:44,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454160714] [2020-10-27 01:27:44,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:44,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:45,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:45,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:46,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:47,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:49,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:49,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:27:49,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 67 [2020-10-27 01:27:49,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:49,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:27:49,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:49,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:49,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:49,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:49,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:27:49,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:49,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:27:49,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:49,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:49,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:50,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:50,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:27:50,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:27:50,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 585 [2020-10-27 01:27:50,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:50,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-27 01:27:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:50,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:27:50,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:50,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:27:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:50,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:50,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:50,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:50,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:50,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:27:50,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:50,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:27:50,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:50,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 01:27:50,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:50,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:27:50,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:50,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:50,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:50,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:50,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:27:50,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:50,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:27:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:50,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:50,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:50,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:27:50,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:50,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-27 01:27:50,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:27:50,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-27 01:27:50,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:51,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:27:51,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:51,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:51,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:51,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:27:51,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:51,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-27 01:27:51,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:27:51,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:27:51,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 01:27:51,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:51,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:27:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:51,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:51,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:27:51,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:27:51,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:27:51,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 01:27:51,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:27:51,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 01:27:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:27:51,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:27:51,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:27:51,654 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-27 01:27:51,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454160714] [2020-10-27 01:27:51,656 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:27:51,656 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-27 01:27:51,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436190269] [2020-10-27 01:27:51,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-27 01:27:51,659 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:27:51,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-27 01:27:51,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=861, Unknown=0, NotChecked=0, Total=930 [2020-10-27 01:27:51,661 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 31 states. [2020-10-27 01:27:55,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:27:55,388 INFO L93 Difference]: Finished difference Result 94 states and 121 transitions. [2020-10-27 01:27:55,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-27 01:27:55,389 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 63 [2020-10-27 01:27:55,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:27:55,391 INFO L225 Difference]: With dead ends: 94 [2020-10-27 01:27:55,391 INFO L226 Difference]: Without dead ends: 90 [2020-10-27 01:27:55,393 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=215, Invalid=2335, Unknown=0, NotChecked=0, Total=2550 [2020-10-27 01:27:55,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-27 01:27:55,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 86. [2020-10-27 01:27:55,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-10-27 01:27:55,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 109 transitions. [2020-10-27 01:27:55,413 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 109 transitions. Word has length 63 [2020-10-27 01:27:55,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:27:55,414 INFO L481 AbstractCegarLoop]: Abstraction has 86 states and 109 transitions. [2020-10-27 01:27:55,414 INFO L482 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-27 01:27:55,414 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 109 transitions. [2020-10-27 01:27:55,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 01:27:55,416 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:27:55,416 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-27 01:27:55,416 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 01:27:55,417 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:27:55,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:27:55,417 INFO L82 PathProgramCache]: Analyzing trace with hash 4039116, now seen corresponding path program 2 times [2020-10-27 01:27:55,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:27:55,418 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1092109186] [2020-10-27 01:27:55,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:27:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:27:55,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:55,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:55,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:55,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:27:56,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:28:00,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-27 01:28:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:28:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:28:00,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:28:00,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:00,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:28:00,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:28:00,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:00,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-27 01:28:00,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 01:28:00,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:28:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:00,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:28:00,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:28:00,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:28:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:00,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:28:00,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:28:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:00,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:28:00,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:28:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:28:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:00,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:28:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:28:00,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:00,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:00,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:00,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:28:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:28:00,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-10-27 01:28:00,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1092109186] [2020-10-27 01:28:00,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:28:00,898 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-27 01:28:00,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149002610] [2020-10-27 01:28:00,898 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-27 01:28:00,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:28:00,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-27 01:28:00,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-10-27 01:28:00,900 INFO L87 Difference]: Start difference. First operand 86 states and 109 transitions. Second operand 14 states. [2020-10-27 01:28:01,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:28:01,659 INFO L93 Difference]: Finished difference Result 115 states and 145 transitions. [2020-10-27 01:28:01,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-27 01:28:01,661 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 64 [2020-10-27 01:28:01,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:28:01,662 INFO L225 Difference]: With dead ends: 115 [2020-10-27 01:28:01,662 INFO L226 Difference]: Without dead ends: 82 [2020-10-27 01:28:01,664 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=105, Invalid=495, Unknown=0, NotChecked=0, Total=600 [2020-10-27 01:28:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-27 01:28:01,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-27 01:28:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 01:28:01,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 100 transitions. [2020-10-27 01:28:01,679 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 100 transitions. Word has length 64 [2020-10-27 01:28:01,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:28:01,679 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 100 transitions. [2020-10-27 01:28:01,680 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-27 01:28:01,680 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 100 transitions. [2020-10-27 01:28:01,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 01:28:01,681 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:28:01,681 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-27 01:28:01,682 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 01:28:01,682 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:28:01,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:28:01,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1759997662, now seen corresponding path program 3 times [2020-10-27 01:28:01,683 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:28:01,683 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17711141] [2020-10-27 01:28:01,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:28:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:01,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:01,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:01,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:02,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:05,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:06,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 01:28:06,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-27 01:28:06,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:06,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:28:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:06,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:06,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:28:06,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:06,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:28:06,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:06,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:06,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:28:06,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:06,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:06,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:28:06,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:06,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-27 01:28:06,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:06,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:06,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:28:06,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:06,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:28:06,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:06,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:06,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:06,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:06,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:28:06,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:06,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:06,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:06,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:28:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:06,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:06,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:06,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:06,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:06,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:28:06,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:06,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:06,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:06,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:28:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:07,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:07,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:28:07,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:07,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:28:07,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:07,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:07,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:07,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:07,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-27 01:28:07,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:28:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:28:07,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:28:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:07,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:28:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:28:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:07,092 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-27 01:28:07,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17711141] [2020-10-27 01:28:07,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:28:07,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:28:07,093 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042125425] [2020-10-27 01:28:07,094 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:28:07,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:28:07,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:28:07,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:28:07,095 INFO L87 Difference]: Start difference. First operand 82 states and 100 transitions. Second operand 10 states. [2020-10-27 01:28:07,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:28:07,607 INFO L93 Difference]: Finished difference Result 126 states and 151 transitions. [2020-10-27 01:28:07,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 01:28:07,608 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-27 01:28:07,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:28:07,609 INFO L225 Difference]: With dead ends: 126 [2020-10-27 01:28:07,609 INFO L226 Difference]: Without dead ends: 89 [2020-10-27 01:28:07,610 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2020-10-27 01:28:07,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-10-27 01:28:07,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 82. [2020-10-27 01:28:07,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-27 01:28:07,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2020-10-27 01:28:07,625 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 64 [2020-10-27 01:28:07,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:28:07,626 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2020-10-27 01:28:07,626 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:28:07,626 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2020-10-27 01:28:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 01:28:07,627 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:28:07,627 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1] [2020-10-27 01:28:07,628 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-27 01:28:07,628 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:28:07,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:28:07,628 INFO L82 PathProgramCache]: Analyzing trace with hash -1937817522, now seen corresponding path program 4 times [2020-10-27 01:28:07,629 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:28:07,629 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1543701818] [2020-10-27 01:28:07,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:28:07,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:07,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:07,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:08,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:28:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-27 01:28:12,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:28:12,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:28:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:28:12,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:28:12,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:12,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-27 01:28:12,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:28:12,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:12,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:28:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:12,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:28:12,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:28:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-27 01:28:12,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:28:12,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-27 01:28:12,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:12,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-27 01:28:12,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:12,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:12,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:12,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:12,939 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-27 01:28:12,940 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1543701818] [2020-10-27 01:28:12,940 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:28:12,940 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-27 01:28:12,940 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329721878] [2020-10-27 01:28:12,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-27 01:28:12,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:28:12,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-27 01:28:12,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-27 01:28:12,942 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand 10 states. [2020-10-27 01:28:13,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:28:13,552 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2020-10-27 01:28:13,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 01:28:13,553 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-27 01:28:13,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:28:13,554 INFO L225 Difference]: With dead ends: 108 [2020-10-27 01:28:13,554 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 01:28:13,555 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-27 01:28:13,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 01:28:13,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-27 01:28:13,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 01:28:13,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2020-10-27 01:28:13,577 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 64 [2020-10-27 01:28:13,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:28:13,578 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2020-10-27 01:28:13,580 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-27 01:28:13,581 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2020-10-27 01:28:13,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-27 01:28:13,582 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:28:13,582 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, 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] [2020-10-27 01:28:13,582 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-27 01:28:13,582 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:28:13,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:28:13,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1285392723, now seen corresponding path program 1 times [2020-10-27 01:28:13,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:28:13,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1801904297] [2020-10-27 01:28:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:28:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:13,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:13,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:13,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:13,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:14,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:15,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:16,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:16,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:17,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:18,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-27 01:28:18,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-27 01:28:18,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-27 01:28:18,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:18,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:28:18,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:18,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:18,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:28:18,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:18,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 01:28:18,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:18,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:18,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:18,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:18,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 01:28:18,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 01:28:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:19,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:19,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:28:19,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:28:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-27 01:28:19,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:28:19,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 01:28:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 01:28:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:28:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:28:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-27 01:28:19,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:28:19,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-27 01:28:19,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-27 01:28:19,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-27 01:28:19,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-27 01:28:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:28:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:28:19,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:28:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:28:19,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-27 01:28:19,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:28:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-10-27 01:28:19,687 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1801904297] [2020-10-27 01:28:19,687 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 01:28:19,687 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-27 01:28:19,687 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336144390] [2020-10-27 01:28:19,688 INFO L461 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-27 01:28:19,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:28:19,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-27 01:28:19,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=754, Unknown=0, NotChecked=0, Total=812 [2020-10-27 01:28:19,689 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 29 states. [2020-10-27 01:28:20,802 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 50 [2020-10-27 01:28:23,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:28:23,337 INFO L93 Difference]: Finished difference Result 101 states and 113 transitions. [2020-10-27 01:28:23,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-27 01:28:23,338 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 73 [2020-10-27 01:28:23,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:28:23,339 INFO L225 Difference]: With dead ends: 101 [2020-10-27 01:28:23,339 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:28:23,343 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 559 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=357, Invalid=3549, Unknown=0, NotChecked=0, Total=3906 [2020-10-27 01:28:23,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:28:23,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:28:23,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:28:23,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:28:23,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-10-27 01:28:23,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:28:23,344 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:28:23,344 INFO L482 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-27 01:28:23,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:28:23,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:28:23,345 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-27 01:28:23,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:28:23,763 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 47 [2020-10-27 01:28:23,911 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 38 [2020-10-27 01:28:24,097 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2020-10-27 01:28:24,359 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 44 [2020-10-27 01:28:24,663 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2020-10-27 01:28:24,910 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-10-27 01:28:25,124 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-27 01:28:25,124 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:28:25,125 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|)) [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:28:25,125 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-27 01:28:25,125 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-27 01:28:25,125 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-27 01:28:25,126 INFO L277 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-27 01:28:25,126 INFO L274 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-27 01:28:25,126 INFO L274 CegarLoopResult]: For program point sll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-27 01:28:25,126 INFO L270 CegarLoopResult]: At program point sll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-27 01:28:25,126 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (let ((.cse2 (= sll_update_at_~data |sll_update_at_#in~data|))) (or (let ((.cse0 (+ sll_update_at_~index 1)) (.cse1 (+ |sll_update_at_#in~head.offset| 4))) (and (<= |sll_update_at_#in~index| .cse0) (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse1) sll_update_at_~head.offset) .cse2 (<= .cse0 |sll_update_at_#in~index|) (= (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse1) sll_update_at_~head.base))) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse2) (not (<= |sll_update_at_#in~index| 1)))) (let ((.cse3 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and .cse3 .cse4 (<= 1 |sll_update_at_#in~index|) .cse5) (and .cse3 .cse4 .cse5 (<= |sll_update_at_#in~index| sll_update_at_~index))))) [2020-10-27 01:28:25,126 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-27 01:28:25,126 INFO L274 CegarLoopResult]: For program point sll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L274 CegarLoopResult]: For program point sll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L270 CegarLoopResult]: At program point sll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-27 01:28:25,127 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L274 CegarLoopResult]: For program point sll_createEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-27 01:28:25,127 INFO L270 CegarLoopResult]: At program point sll_createENTRY(lines 583 591) the Hoare annotation is: (or (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:28:25,127 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)) (let ((.cse0 (+ sll_create_~len 1))) (and (<= .cse0 |sll_create_#in~len|) (= (select |#valid| sll_create_~head~0.base) 1) (= sll_create_~head~0.offset 0) (<= |sll_create_#in~len| .cse0))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L270 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse3 (+ sll_create_~len 1))) (let ((.cse0 (<= .cse3 |sll_create_#in~len|)) (.cse1 (= (select |#valid| sll_create_~head~0.base) 1)) (.cse2 (= sll_create_~head~0.offset 0))) (or (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 .cse1 .cse2 (<= |sll_create_#in~len| (+ sll_create_~len 2)) (= (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) 4) 0)) (not (<= |sll_create_#in~len| 2)) (not (<= 2 |sll_create_#in~len|)) (and .cse0 .cse1 .cse2 (<= |sll_create_#in~len| .cse3)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |sll_create_#in~len| sll_create_~len) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))))) [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point sll_createFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:28:25,128 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-27 01:28:25,129 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:28:25,129 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-27 01:28:25,129 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:28:25,129 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:28:25,129 INFO L277 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-27 01:28:25,129 INFO L274 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-27 01:28:25,129 INFO L270 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (or (and (<= |sll_get_data_at_#in~index| sll_get_data_at_~index) (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (<= sll_get_data_at_~index |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0) sll_get_data_at_~head.offset) (<= 1 |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) (= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)))) (<= 2 |sll_get_data_at_#in~index|)) [2020-10-27 01:28:25,129 INFO L274 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse7 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse4 (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)))) (let ((.cse0 (= (+ main_~len~0 1) .cse4)) (.cse2 (<= main_~len~0 2)) (.cse1 (not (= .cse8 main_~s~0.base))) (.cse3 (<= 2 main_~len~0)) (.cse5 (= main_~len~0 main_~new_data~0)) (.cse6 (= main_~len~0 .cse7))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 main_~i~0) (= .cse4 main_~expected~0) .cse5 .cse6 (<= main_~i~0 1)) (and .cse0 .cse2 .cse1 .cse3 (= .cse7 main_~expected~0) .cse5 .cse6 (= (+ main_~i~0 main_~len~0) .cse7))))))) [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-27 01:28:25,130 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-27 01:28:25,131 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse3))) (let ((.cse0 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse3)) (.cse1 (not (= .cse2 main_~s~0.base)))) (or (and (<= .cse0 0) .cse1 (<= 1 main_~i~0) (= (+ main_~i~0 main_~len~0) main_~new_data~0) (= main_~len~0 (+ main_~i~0 1)) (= main_~s~0.offset 0) (<= main_~i~0 1)) (and (= (+ main_~len~0 1) (select (select |#memory_int| .cse2) .cse0)) (<= main_~i~0 0) .cse1 (<= 2 main_~len~0) (<= main_~len~0 2) (<= 0 main_~i~0) (= main_~len~0 main_~new_data~0)))))) [2020-10-27 01:28:25,131 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-27 01:28:25,131 INFO L274 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-27 01:28:25,131 INFO L270 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse0 (= (+ main_~len~0 1) (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)))) (.cse1 (not (= .cse8 main_~s~0.base))) (.cse2 (<= main_~len~0 2)) (.cse3 (<= 2 main_~len~0)) (.cse4 (= main_~len~0 main_~new_data~0)) (.cse5 (= main_~len~0 .cse6)) (.cse7 (<= main_~i~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (= (+ main_~i~0 main_~len~0) .cse6)) (and .cse0 .cse1 .cse2 .cse3 (<= 1 main_~i~0) .cse4 .cse5 .cse7) (and .cse0 .cse1 .cse2 .cse3 (= .cse6 main_~expected~0) .cse4 .cse5 .cse7))))) [2020-10-27 01:28:25,131 INFO L270 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: (= main_~len~0 2) [2020-10-27 01:28:25,131 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= main_~len~0 2) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:28:25,132 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7)) (.cse5 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7))) (let ((.cse0 (= (+ main_~len~0 1) (select (select |#memory_int| .cse6) .cse5))) (.cse2 (<= main_~len~0 2)) (.cse3 (<= 2 main_~len~0)) (.cse1 (not (= .cse6 main_~s~0.base))) (.cse4 (+ main_~i~0 1))) (or (and .cse0 (<= main_~i~0 0) .cse1 .cse2 .cse3 (<= 0 main_~i~0)) (and .cse0 .cse1 .cse2 .cse3 (= main_~len~0 main_~new_data~0) (<= .cse4 0) (= main_~len~0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (<= .cse5 0) .cse1 (<= 1 main_~i~0) (= main_~len~0 .cse4) (= main_~s~0.offset 0) (<= main_~i~0 1)))))) [2020-10-27 01:28:25,132 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-27 01:28:25,132 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-27 01:28:25,132 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:28:25,132 INFO L270 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-27 01:28:25,132 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-27 01:28:25,132 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-27 01:28:25,132 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-27 01:28:25,132 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:28:25,133 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-27 01:28:25,133 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-27 01:28:25,143 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,144 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,150 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,154 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,157 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,157 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,168 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,170 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,180 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,183 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,183 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,184 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,185 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,186 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,187 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,188 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,190 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:28:25 BoogieIcfgContainer [2020-10-27 01:28:25,190 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:28:25,192 INFO L168 Benchmark]: Toolchain (without parser) took 60556.78 ms. Allocated memory was 154.1 MB in the beginning and 619.7 MB in the end (delta: 465.6 MB). Free memory was 127.9 MB in the beginning and 335.8 MB in the end (delta: -207.9 MB). Peak memory consumption was 258.7 MB. Max. memory is 8.0 GB. [2020-10-27 01:28:25,193 INFO L168 Benchmark]: CDTParser took 0.73 ms. Allocated memory is still 154.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:28:25,193 INFO L168 Benchmark]: CACSL2BoogieTranslator took 663.73 ms. Allocated memory is still 154.1 MB. Free memory was 127.2 MB in the beginning and 104.0 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:28:25,196 INFO L168 Benchmark]: Boogie Preprocessor took 131.03 ms. Allocated memory is still 154.1 MB. Free memory was 104.0 MB in the beginning and 101.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:28:25,196 INFO L168 Benchmark]: RCFGBuilder took 892.92 ms. Allocated memory is still 154.1 MB. Free memory was 101.2 MB in the beginning and 93.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:28:25,197 INFO L168 Benchmark]: TraceAbstraction took 58857.98 ms. Allocated memory was 154.1 MB in the beginning and 619.7 MB in the end (delta: 465.6 MB). Free memory was 93.6 MB in the beginning and 335.8 MB in the end (delta: -242.2 MB). Peak memory consumption was 223.4 MB. Max. memory is 8.0 GB. [2020-10-27 01:28:25,206 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.73 ms. Allocated memory is still 154.1 MB. Free memory is still 126.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 663.73 ms. Allocated memory is still 154.1 MB. Free memory was 127.2 MB in the beginning and 104.0 MB in the end (delta: 23.3 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 131.03 ms. Allocated memory is still 154.1 MB. Free memory was 104.0 MB in the beginning and 101.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 892.92 ms. Allocated memory is still 154.1 MB. Free memory was 101.2 MB in the beginning and 93.6 MB in the end (delta: 7.6 MB). Peak memory consumption was 9.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 58857.98 ms. Allocated memory was 154.1 MB in the beginning and 619.7 MB in the end (delta: 465.6 MB). Free memory was 93.6 MB in the beginning and 335.8 MB in the end (delta: -242.2 MB). Peak memory consumption was 223.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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 * 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_$Pointer$ - 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_$Pointer$ - 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_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_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_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_$Pointer$ - 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_$Pointer$ - 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_$Pointer$ - 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_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_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_$Pointer$ - 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_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_$Pointer$ - 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_$Pointer$ - 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int * 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: 600]: Loop Invariant [2020-10-27 01:28:25,239 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,240 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,240 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,241 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((\old(index) <= index && head == head) && index <= \old(index)) && head == head) || (((#memory_$Pointer$[head][head + 4] == head && 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4]) && \old(index) == index + 1)) || 2 <= \old(index) - InvariantResult [Line: 607]: Loop Invariant [2020-10-27 01:28:25,241 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,242 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,247 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,248 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,251 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,255 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((\old(index) <= index + 1 && #memory_$Pointer$[head][head + 4] == head) && data == \old(data)) && index + 1 <= \old(index)) && #memory_$Pointer$[head][head + 4] == head) || (((head == head && head == head) && \old(index) == index) && data == \old(data))) || !(\old(index) <= 1)) && ((((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index)) - InvariantResult [Line: 618]: Loop Invariant [2020-10-27 01:28:25,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,259 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,265 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,266 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,268 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && i <= 0) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && 0 <= i) || ((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && len == new_data) && i + 1 <= 0) && len == unknown-#memory_int-unknown[s][s])) || (((((#memory_$Pointer$[s][s + 4] <= 0 && !(#memory_$Pointer$[s][s + 4] == s)) && 1 <= i) && len == i + 1) && s == 0) && i <= 1) - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 572]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 585]: Loop Invariant [2020-10-27 01:28:25,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,275 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,276 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((!(head == #memory_$Pointer$[head][4]) && len + 1 <= \old(len)) && \valid[head] == 1) && head == 0) && \old(len) <= len + 2) && #memory_$Pointer$[head][4] == 0) || !(\old(len) <= 2)) || !(2 <= \old(len))) || (((len + 1 <= \old(len) && \valid[head] == 1) && head == 0) && \old(len) <= len + 1)) || (((((#memory_$Pointer$ == \old(#memory_$Pointer$) && \old(unknown-#length-unknown) == unknown-#length-unknown) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && \old(len) == len) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(\valid) == \valid) - InvariantResult [Line: 622]: Loop Invariant [2020-10-27 01:28:25,279 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,280 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,287 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,288 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,290 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-27 01:28:25,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-27 01:28:25,294 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,295 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,296 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-27 01:28:25,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-27 01:28:25,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && len == new_data) && len == unknown-#memory_int-unknown[s][s]) && i + len == unknown-#memory_int-unknown[s][s]) || (((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && 1 <= i) && len == new_data) && len == unknown-#memory_int-unknown[s][s]) && i <= 1)) || (((((((len + 1 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && !(#memory_$Pointer$[s][s + 4] == s)) && len <= 2) && 2 <= len) && unknown-#memory_int-unknown[s][s] == expected) && len == new_data) && len == unknown-#memory_int-unknown[s][s]) && i <= 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 56.9s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 11.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 368 SDtfs, 711 SDslu, 1673 SDs, 0 SdLazy, 4522 SolverSat, 478 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 335 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 226 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1107 ImplicationChecksByTransitivity, 8.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 32 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 84 PreInvPairs, 124 NumberOfFragments, 903 HoareAnnotationTreeSize, 84 FomulaSimplifications, 1039 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 25 FomulaSimplificationsInter, 1179 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 542 ConstructedInterpolants, 0 QuantifiedInterpolants, 179622 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 2 PerfectInterpolantSequences, 109/185 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...