/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:32:11,930 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:32:11,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:32:11,969 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:32:11,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:32:11,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:32:11,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:32:11,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:32:11,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:32:11,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:32:11,980 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:32:11,982 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:32:11,982 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:32:11,984 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:32:11,985 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:32:11,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:32:11,987 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:32:11,988 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:32:11,991 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:32:11,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:32:11,995 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:32:11,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:32:11,998 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:32:11,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:32:12,002 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:32:12,002 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:32:12,003 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:32:12,004 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:32:12,005 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:32:12,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:32:12,006 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:32:12,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:32:12,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:32:12,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:32:12,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:32:12,011 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:32:12,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:32:12,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:32:12,012 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:32:12,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:32:12,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:32:12,017 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-29 09:32:12,072 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:32:12,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:32:12,074 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:32:12,074 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:32:12,074 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:32:12,075 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:32:12,075 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:32:12,077 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:32:12,077 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:32:12,077 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:32:12,078 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:32:12,078 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:32:12,079 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:32:12,079 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:32:12,079 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:32:12,079 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:32:12,079 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:32:12,080 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:32:12,080 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:32:12,080 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:32:12,080 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:32:12,081 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:32:12,081 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:32:12,081 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:32:12,082 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:32:12,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:32:12,547 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:32:12,550 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:32:12,552 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:32:12,556 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:32:12,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-29 09:32:12,649 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cbee8229/58ec071fc1f943bb87805508e50148aa/FLAGeaa4fc18c [2020-10-29 09:32:13,434 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:32:13,435 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-10-29 09:32:13,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cbee8229/58ec071fc1f943bb87805508e50148aa/FLAGeaa4fc18c [2020-10-29 09:32:13,688 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8cbee8229/58ec071fc1f943bb87805508e50148aa [2020-10-29 09:32:13,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:32:13,706 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:32:13,708 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:32:13,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:32:13,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:32:13,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:32:13" (1/1) ... [2020-10-29 09:32:13,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f00b23 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:13, skipping insertion in model container [2020-10-29 09:32:13,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:32:13" (1/1) ... [2020-10-29 09:32:13,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:32:13,817 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:32:14,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:32:14,281 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:32:14,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:32:14,387 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:32:14,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14 WrapperNode [2020-10-29 09:32:14,388 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:32:14,389 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:32:14,389 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:32:14,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:32:14,402 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,402 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,418 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,440 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... [2020-10-29 09:32:14,451 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:32:14,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:32:14,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:32:14,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:32:14,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:32:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:32:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:32:14,533 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:32:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-29 09:32:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-29 09:32:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-29 09:32:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-29 09:32:14,534 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-10-29 09:32:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-10-29 09:32:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-10-29 09:32:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-10-29 09:32:14,535 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:32:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:32:14,535 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:32:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:32:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:32:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:32:14,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:32:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-29 09:32:14,538 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-29 09:32:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-29 09:32:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-29 09:32:14,539 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-29 09:32:14,540 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-29 09:32:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-29 09:32:14,541 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-29 09:32:14,545 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-29 09:32:14,546 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-29 09:32:14,547 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-29 09:32:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-29 09:32:14,548 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-29 09:32:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-29 09:32:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-29 09:32:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-29 09:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-29 09:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-29 09:32:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-29 09:32:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-29 09:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-29 09:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-29 09:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-29 09:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-29 09:32:14,553 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-29 09:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-29 09:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-29 09:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-29 09:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-29 09:32:14,554 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-29 09:32:14,555 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-29 09:32:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 09:32:14,556 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 09:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-29 09:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 09:32:14,558 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-29 09:32:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-29 09:32:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-29 09:32:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-29 09:32:14,559 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-29 09:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-29 09:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-29 09:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-29 09:32:14,560 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-29 09:32:14,561 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-29 09:32:14,562 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-29 09:32:14,563 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-29 09:32:14,564 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-29 09:32:14,565 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-29 09:32:14,566 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-29 09:32:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-29 09:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 09:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-10-29 09:32:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-10-29 09:32:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:32:14,570 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-10-29 09:32:14,571 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-10-29 09:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:32:14,572 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:32:15,058 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-29 09:32:15,181 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:32:15,182 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-29 09:32:15,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:32:15 BoogieIcfgContainer [2020-10-29 09:32:15,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:32:15,186 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:32:15,186 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:32:15,190 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:32:15,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:32:13" (1/3) ... [2020-10-29 09:32:15,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0c58a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:32:15, skipping insertion in model container [2020-10-29 09:32:15,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:32:14" (2/3) ... [2020-10-29 09:32:15,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c0c58a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:32:15, skipping insertion in model container [2020-10-29 09:32:15,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:32:15" (3/3) ... [2020-10-29 09:32:15,193 INFO L111 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-10-29 09:32:15,206 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:32:15,212 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:32:15,226 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:32:15,254 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:32:15,254 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:32:15,255 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:32:15,255 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:32:15,255 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:32:15,255 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:32:15,255 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:32:15,255 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:32:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states. [2020-10-29 09:32:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-29 09:32:15,281 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:15,281 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:32:15,282 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:15,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:15,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1464523986, now seen corresponding path program 1 times [2020-10-29 09:32:15,298 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:15,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1057478552] [2020-10-29 09:32:15,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:15,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:15,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:15,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:15,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:15,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:16,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:16,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:16,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-29 09:32:16,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:32:16,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1483 [2020-10-29 09:32:16,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:16,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:32:16,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:32:16,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-29 09:32:16,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:32:17,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:17,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:17,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:17,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:17,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:17,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:17,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:17,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:17,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:17,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:17,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:17,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-29 09:32:17,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:17,123 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:17,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:32:17,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-29 09:32:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:17,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:17,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:17,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:17,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:17,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:32:17,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:17,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:32:17,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:32:17,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-29 09:32:17,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1057478552] [2020-10-29 09:32:17,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:32:17,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-29 09:32:17,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094488669] [2020-10-29 09:32:17,182 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:32:17,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:17,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:32:17,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:32:17,204 INFO L87 Difference]: Start difference. First operand 60 states. Second operand 8 states. [2020-10-29 09:32:17,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:17,988 INFO L93 Difference]: Finished difference Result 142 states and 214 transitions. [2020-10-29 09:32:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:32:17,990 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-29 09:32:17,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:18,002 INFO L225 Difference]: With dead ends: 142 [2020-10-29 09:32:18,002 INFO L226 Difference]: Without dead ends: 82 [2020-10-29 09:32:18,007 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:32:18,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-29 09:32:18,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 51. [2020-10-29 09:32:18,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-29 09:32:18,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 57 transitions. [2020-10-29 09:32:18,092 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 57 transitions. Word has length 27 [2020-10-29 09:32:18,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:18,092 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 57 transitions. [2020-10-29 09:32:18,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:32:18,093 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 57 transitions. [2020-10-29 09:32:18,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-29 09:32:18,098 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:18,100 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] [2020-10-29 09:32:18,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:32:18,106 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:18,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:18,107 INFO L82 PathProgramCache]: Analyzing trace with hash 389933784, now seen corresponding path program 1 times [2020-10-29 09:32:18,107 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:18,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1656829330] [2020-10-29 09:32:18,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:18,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:22,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 09:32:22,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 09:32:22,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3913 [2020-10-29 09:32:22,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:22,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:32:22,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-29 09:32:22,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:32:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:22,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:22,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:22,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:22,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:22,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:32:22,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:22,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:22,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:22,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:22,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:22,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 46 [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:22,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:22,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:22,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:32:22,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:22,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:22,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:22,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:22,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:22,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:22,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-29 09:32:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:22,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:22,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:22,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:22,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:32:22,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:22,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:22,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-10-29 09:32:22,306 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1656829330] [2020-10-29 09:32:22,306 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:22,307 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:32:22,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681039567] [2020-10-29 09:32:22,309 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:32:22,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:22,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:32:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:32:22,314 INFO L87 Difference]: Start difference. First operand 51 states and 57 transitions. Second operand 8 states. [2020-10-29 09:32:23,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:23,014 INFO L93 Difference]: Finished difference Result 107 states and 130 transitions. [2020-10-29 09:32:23,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:32:23,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2020-10-29 09:32:23,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:23,018 INFO L225 Difference]: With dead ends: 107 [2020-10-29 09:32:23,019 INFO L226 Difference]: Without dead ends: 86 [2020-10-29 09:32:23,020 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:32:23,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-10-29 09:32:23,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 54. [2020-10-29 09:32:23,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-29 09:32:23,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 61 transitions. [2020-10-29 09:32:23,047 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 61 transitions. Word has length 36 [2020-10-29 09:32:23,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:23,047 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 61 transitions. [2020-10-29 09:32:23,047 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:32:23,048 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 61 transitions. [2020-10-29 09:32:23,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-29 09:32:23,051 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:23,051 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:32:23,051 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:32:23,051 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:23,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:23,052 INFO L82 PathProgramCache]: Analyzing trace with hash -1112351026, now seen corresponding path program 2 times [2020-10-29 09:32:23,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:23,053 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [262152673] [2020-10-29 09:32:23,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:23,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:24,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-29 09:32:27,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-10-29 09:32:27,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4195 [2020-10-29 09:32:27,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:32:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:32:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-29 09:32:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:27,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:27,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:27,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:27,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:27,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:32:27,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:27,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:27,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:27,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:27,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:27,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,400 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:27,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:27,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-29 09:32:27,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,400 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:27,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:27,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:32:27,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:27,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-29 09:32:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:27,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:27,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:27,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:32:27,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:27,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:27,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:32:27,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-29 09:32:27,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:27,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:27,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:27,488 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:32:27,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:27,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:27,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:27,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:27,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:27,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:32:27,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:27,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:27,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:32:27,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:27,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-10-29 09:32:27,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [262152673] [2020-10-29 09:32:27,512 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:32:27,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:32:27,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562290620] [2020-10-29 09:32:27,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:32:27,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:27,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:32:27,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:32:27,517 INFO L87 Difference]: Start difference. First operand 54 states and 61 transitions. Second operand 9 states. [2020-10-29 09:32:28,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:28,004 INFO L93 Difference]: Finished difference Result 95 states and 110 transitions. [2020-10-29 09:32:28,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:32:28,006 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2020-10-29 09:32:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:28,008 INFO L225 Difference]: With dead ends: 95 [2020-10-29 09:32:28,008 INFO L226 Difference]: Without dead ends: 58 [2020-10-29 09:32:28,011 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:32:28,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-29 09:32:28,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 55. [2020-10-29 09:32:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 09:32:28,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-10-29 09:32:28,030 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 44 [2020-10-29 09:32:28,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:28,030 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-10-29 09:32:28,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:32:28,030 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-10-29 09:32:28,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-29 09:32:28,034 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:28,035 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:32:28,035 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:32:28,035 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:28,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:28,036 INFO L82 PathProgramCache]: Analyzing trace with hash 726996528, now seen corresponding path program 1 times [2020-10-29 09:32:28,036 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:28,036 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1078436313] [2020-10-29 09:32:28,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:28,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:28,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:28,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:28,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:28,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:29,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-29 09:32:31,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:32:31,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3431 [2020-10-29 09:32:31,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,511 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:32:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:32:31,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 47 [2020-10-29 09:32:31,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:31,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:31,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:31,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-29 09:32:31,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-29 09:32:31,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,666 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:32:31,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:31,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-29 09:32:31,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:32:31,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:31,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:32:31,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,729 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:31,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:31,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:31,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-29 09:32:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:31,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:32:31,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,771 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:32:31,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:31,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:32:31,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,788 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:31,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:31,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:31,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-29 09:32:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:32:31,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:31,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:31,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:31,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:31,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:31,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:32:31,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:31,808 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:31,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:32:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:32:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:31,857 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-10-29 09:32:31,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1078436313] [2020-10-29 09:32:31,859 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:31,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:32:31,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471518019] [2020-10-29 09:32:31,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:32:31,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:31,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:32:31,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:32:31,863 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 12 states. [2020-10-29 09:32:32,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:32,465 INFO L93 Difference]: Finished difference Result 94 states and 110 transitions. [2020-10-29 09:32:32,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-29 09:32:32,465 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 53 [2020-10-29 09:32:32,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:32,470 INFO L225 Difference]: With dead ends: 94 [2020-10-29 09:32:32,470 INFO L226 Difference]: Without dead ends: 62 [2020-10-29 09:32:32,472 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:32:32,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-29 09:32:32,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-10-29 09:32:32,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-10-29 09:32:32,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 67 transitions. [2020-10-29 09:32:32,494 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 67 transitions. Word has length 53 [2020-10-29 09:32:32,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:32,495 INFO L481 AbstractCegarLoop]: Abstraction has 59 states and 67 transitions. [2020-10-29 09:32:32,495 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:32:32,495 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 67 transitions. [2020-10-29 09:32:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-29 09:32:32,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:32,498 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] [2020-10-29 09:32:32,499 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:32:32,499 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:32,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:32,500 INFO L82 PathProgramCache]: Analyzing trace with hash 1063128334, now seen corresponding path program 2 times [2020-10-29 09:32:32,501 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:32,501 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247872384] [2020-10-29 09:32:32,501 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:32,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:32,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:32,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:33,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-29 09:32:36,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:32:36,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3534 [2020-10-29 09:32:36,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,066 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:32:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:32:36,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 38 [2020-10-29 09:32:36,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:32:36,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:36,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 105 [2020-10-29 09:32:36,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,272 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:36,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:32:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:32:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:36,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:36,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,290 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:32:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:32:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:36,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:36,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,305 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:36,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:36,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:32:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:36,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:32:36,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,339 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:32:36,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:36,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-29 09:32:36,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:32:36,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:36,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-29 09:32:36,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:36,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:36,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:36,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:36,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:36,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:36,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:36,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:36,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:36,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:32:36,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:36,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:36,392 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 09:32:36,392 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247872384] [2020-10-29 09:32:36,393 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:36,393 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-29 09:32:36,393 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911511899] [2020-10-29 09:32:36,394 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:32:36,394 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:36,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:32:36,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:32:36,395 INFO L87 Difference]: Start difference. First operand 59 states and 67 transitions. Second operand 9 states. [2020-10-29 09:32:36,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:36,920 INFO L93 Difference]: Finished difference Result 98 states and 114 transitions. [2020-10-29 09:32:36,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:32:36,921 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-10-29 09:32:36,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:36,922 INFO L225 Difference]: With dead ends: 98 [2020-10-29 09:32:36,922 INFO L226 Difference]: Without dead ends: 67 [2020-10-29 09:32:36,924 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:32:36,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-29 09:32:36,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-29 09:32:36,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-29 09:32:36,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 72 transitions. [2020-10-29 09:32:36,948 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 72 transitions. Word has length 62 [2020-10-29 09:32:36,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:36,949 INFO L481 AbstractCegarLoop]: Abstraction has 63 states and 72 transitions. [2020-10-29 09:32:36,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:32:36,949 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2020-10-29 09:32:36,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-29 09:32:36,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:36,952 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] [2020-10-29 09:32:36,953 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:32:36,953 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:36,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:36,953 INFO L82 PathProgramCache]: Analyzing trace with hash -641263960, now seen corresponding path program 1 times [2020-10-29 09:32:36,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:36,954 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671955308] [2020-10-29 09:32:36,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:36,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:38,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:38,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:39,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:41,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:41,986 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-29 09:32:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-10-29 09:32:41,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 58 [2020-10-29 09:32:41,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:42,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:42,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:42,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:42,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:42,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:42,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:42,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:42,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:42,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:42,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 242 [2020-10-29 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:42,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:42,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-29 09:32:42,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:42,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:32:42,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:42,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:32:42,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:42,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:42,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:42,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:42,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:32:42,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:32:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:42,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:42,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:42,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:42,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:42,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 09:32:42,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:42,829 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:32:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:32:42,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:32:42,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:32:42,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:42,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:43,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:43,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:43,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:32:43,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-29 09:32:43,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:43,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:32:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:43,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:43,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:43,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:43,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:43,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 57 [2020-10-29 09:32:43,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:43,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:43,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:32:43,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:32:43,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:32:43,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:43,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:32:43,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:43,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:43,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:43,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:32:43,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:43,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:32:43,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:43,776 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 19 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-29 09:32:43,776 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671955308] [2020-10-29 09:32:43,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:43,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-29 09:32:43,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662670229] [2020-10-29 09:32:43,780 INFO L461 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-29 09:32:43,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:43,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-29 09:32:43,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=807, Unknown=0, NotChecked=0, Total=870 [2020-10-29 09:32:43,782 INFO L87 Difference]: Start difference. First operand 63 states and 72 transitions. Second operand 30 states. [2020-10-29 09:32:46,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:46,997 INFO L93 Difference]: Finished difference Result 97 states and 122 transitions. [2020-10-29 09:32:46,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-29 09:32:46,998 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 63 [2020-10-29 09:32:46,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:47,000 INFO L225 Difference]: With dead ends: 97 [2020-10-29 09:32:47,000 INFO L226 Difference]: Without dead ends: 93 [2020-10-29 09:32:47,002 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 233 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=202, Invalid=2248, Unknown=0, NotChecked=0, Total=2450 [2020-10-29 09:32:47,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-29 09:32:47,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 81. [2020-10-29 09:32:47,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-29 09:32:47,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2020-10-29 09:32:47,029 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 63 [2020-10-29 09:32:47,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:47,030 INFO L481 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2020-10-29 09:32:47,030 INFO L482 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-29 09:32:47,031 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2020-10-29 09:32:47,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 09:32:47,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:47,037 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] [2020-10-29 09:32:47,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:32:47,037 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:47,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:47,038 INFO L82 PathProgramCache]: Analyzing trace with hash 4039116, now seen corresponding path program 2 times [2020-10-29 09:32:47,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:47,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [540857681] [2020-10-29 09:32:47,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:47,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:47,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:47,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:47,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:47,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 09:32:52,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:32:52,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 62 [2020-10-29 09:32:52,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 100 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:32:52,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:32:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:52,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:32:52,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:52,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:32:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:52,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:32:52,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:52,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:32:52,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:32:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:32:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:52,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:32:52,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:52,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:32:52,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:32:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:52,364 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:32:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:32:52,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:32:52,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:52,407 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-10-29 09:32:52,408 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [540857681] [2020-10-29 09:32:52,408 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:52,408 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:32:52,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157919462] [2020-10-29 09:32:52,409 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:32:52,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:52,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:32:52,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:32:52,410 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand 10 states. [2020-10-29 09:32:52,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:52,912 INFO L93 Difference]: Finished difference Result 103 states and 125 transitions. [2020-10-29 09:32:52,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:32:52,913 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-29 09:32:52,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:52,916 INFO L225 Difference]: With dead ends: 103 [2020-10-29 09:32:52,916 INFO L226 Difference]: Without dead ends: 77 [2020-10-29 09:32:52,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:32:52,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-29 09:32:52,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2020-10-29 09:32:52,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 09:32:52,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2020-10-29 09:32:52,930 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 64 [2020-10-29 09:32:52,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:52,931 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2020-10-29 09:32:52,931 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:32:52,931 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2020-10-29 09:32:52,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 09:32:52,933 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:52,933 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] [2020-10-29 09:32:52,933 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:32:52,933 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:52,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:52,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1759997662, now seen corresponding path program 3 times [2020-10-29 09:32:52,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:52,934 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1267372758] [2020-10-29 09:32:52,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:52,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:52,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:53,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:53,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:56,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:57,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:57,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:57,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 09:32:57,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:32:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-29 09:32:57,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:32:58,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:32:58,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:58,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:32:58,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,055 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:58,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:58,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:32:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:32:58,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:58,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-10-29 09:32:58,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,197 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:58,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:32:58,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:32:58,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:58,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:58,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:32:58,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:58,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:32:58,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:32:58,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:58,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:58,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,223 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:58,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:58,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:32:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:32:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:32:58,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:32:58,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:32:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:58,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:58,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:32:58,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:32:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:32:58,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:32:58,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:32:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:58,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:32:58,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:32:58,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:32:58,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:32:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-29 09:32:58,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1267372758] [2020-10-29 09:32:58,348 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:32:58,348 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:32:58,349 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33087051] [2020-10-29 09:32:58,349 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:32:58,349 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:32:58,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:32:58,350 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:32:58,350 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand 10 states. [2020-10-29 09:32:58,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:32:58,917 INFO L93 Difference]: Finished difference Result 118 states and 140 transitions. [2020-10-29 09:32:58,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:32:58,918 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-29 09:32:58,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:32:58,919 INFO L225 Difference]: With dead ends: 118 [2020-10-29 09:32:58,920 INFO L226 Difference]: Without dead ends: 81 [2020-10-29 09:32:58,924 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 [2020-10-29 09:32:58,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2020-10-29 09:32:58,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 77. [2020-10-29 09:32:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2020-10-29 09:32:58,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 88 transitions. [2020-10-29 09:32:58,952 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 88 transitions. Word has length 64 [2020-10-29 09:32:58,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:32:58,952 INFO L481 AbstractCegarLoop]: Abstraction has 77 states and 88 transitions. [2020-10-29 09:32:58,952 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:32:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 88 transitions. [2020-10-29 09:32:58,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-29 09:32:58,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:32:58,957 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] [2020-10-29 09:32:58,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:32:58,957 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:32:58,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:32:58,958 INFO L82 PathProgramCache]: Analyzing trace with hash -1937817522, now seen corresponding path program 4 times [2020-10-29 09:32:58,960 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:32:58,961 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1747841158] [2020-10-29 09:32:58,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:32:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:32:58,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:59,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:59,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:59,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:32:59,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 84 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:33:03,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:33:03,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 09:33:03,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:33:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:33:04,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:04,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:33:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:33:04,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:04,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 85 [2020-10-29 09:33:04,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,160 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:04,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:33:04,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:04,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:33:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:04,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:04,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:04,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:04,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:33:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:04,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:33:04,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:04,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:04,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:33:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-10-29 09:33:04,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:33:04,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-29 09:33:04,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:04,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-29 09:33:04,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:04,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:04,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:04,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:04,290 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-10-29 09:33:04,290 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1747841158] [2020-10-29 09:33:04,291 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:33:04,291 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:33:04,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [586316389] [2020-10-29 09:33:04,291 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:33:04,292 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:33:04,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:33:04,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:33:04,293 INFO L87 Difference]: Start difference. First operand 77 states and 88 transitions. Second operand 10 states. [2020-10-29 09:33:04,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:33:04,941 INFO L93 Difference]: Finished difference Result 108 states and 120 transitions. [2020-10-29 09:33:04,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-29 09:33:04,941 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2020-10-29 09:33:04,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:33:04,945 INFO L225 Difference]: With dead ends: 108 [2020-10-29 09:33:04,946 INFO L226 Difference]: Without dead ends: 65 [2020-10-29 09:33:04,947 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=75, Invalid=267, Unknown=0, NotChecked=0, Total=342 [2020-10-29 09:33:04,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-29 09:33:04,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-29 09:33:04,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-29 09:33:04,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2020-10-29 09:33:04,963 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 64 [2020-10-29 09:33:04,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:33:04,963 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2020-10-29 09:33:04,963 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:33:04,963 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2020-10-29 09:33:04,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-29 09:33:04,965 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:33:04,965 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] [2020-10-29 09:33:04,965 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:33:04,965 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:33:04,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:33:04,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1285392723, now seen corresponding path program 1 times [2020-10-29 09:33:04,966 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:33:04,967 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [256865766] [2020-10-29 09:33:04,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:33:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:05,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:05,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:05,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:05,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:06,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:06,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,425 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:07,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:08,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:09,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 95 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 15 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-29 09:33:09,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:33:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 79 [2020-10-29 09:33:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:33:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:10,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:33:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:10,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:33:10,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:33:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:10,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:10,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:33:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:10,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:33:10,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:10,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:33:10,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:10,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:33:10,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:33:10,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:33:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:10,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:10,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:33:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:10,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:10,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:10,576 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-10-29 09:33:10,576 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [256865766] [2020-10-29 09:33:10,576 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:33:10,576 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 09:33:10,576 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1222051898] [2020-10-29 09:33:10,577 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 09:33:10,577 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:33:10,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 09:33:10,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:33:10,578 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 17 states. [2020-10-29 09:33:11,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:33:11,928 INFO L93 Difference]: Finished difference Result 80 states and 90 transitions. [2020-10-29 09:33:11,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-29 09:33:11,929 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 73 [2020-10-29 09:33:11,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:33:11,931 INFO L225 Difference]: With dead ends: 80 [2020-10-29 09:33:11,931 INFO L226 Difference]: Without dead ends: 76 [2020-10-29 09:33:11,935 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=145, Invalid=911, Unknown=0, NotChecked=0, Total=1056 [2020-10-29 09:33:11,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-10-29 09:33:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 70. [2020-10-29 09:33:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 09:33:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2020-10-29 09:33:11,950 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 73 [2020-10-29 09:33:11,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:33:11,951 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2020-10-29 09:33:11,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 09:33:11,951 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2020-10-29 09:33:11,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-10-29 09:33:11,952 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:33:11,952 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-29 09:33:11,952 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-29 09:33:11,953 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:33:11,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:33:11,953 INFO L82 PathProgramCache]: Analyzing trace with hash -399145855, now seen corresponding path program 2 times [2020-10-29 09:33:11,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:33:11,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053110881] [2020-10-29 09:33:11,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:33:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:11,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:12,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:12,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:12,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:12,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:12,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 96 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-29 09:33:16,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:17,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:33:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:33:17,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:33:17,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,043 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:17,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:17,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:33:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:33:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-29 09:33:17,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,190 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:33:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:17,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:33:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:17,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:33:17,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,212 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:17,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:17,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:33:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:17,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:33:17,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:17,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:17,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:33:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:33:17,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:17,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:17,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:33:17,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:33:17,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:17,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:33:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:17,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:33:17,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,320 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:17,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:17,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:17,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:33:17,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:17,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:17,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:17,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:33:17,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:17,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:33:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:33:17,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:17,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:17,380 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-10-29 09:33:17,381 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053110881] [2020-10-29 09:33:17,381 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:33:17,381 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-29 09:33:17,382 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350331199] [2020-10-29 09:33:17,383 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-29 09:33:17,384 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:33:17,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-29 09:33:17,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:33:17,385 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand 10 states. [2020-10-29 09:33:17,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:33:17,894 INFO L93 Difference]: Finished difference Result 88 states and 97 transitions. [2020-10-29 09:33:17,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-29 09:33:17,895 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 74 [2020-10-29 09:33:17,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:33:17,896 INFO L225 Difference]: With dead ends: 88 [2020-10-29 09:33:17,896 INFO L226 Difference]: Without dead ends: 70 [2020-10-29 09:33:17,900 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2020-10-29 09:33:17,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2020-10-29 09:33:17,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2020-10-29 09:33:17,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-10-29 09:33:17,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 76 transitions. [2020-10-29 09:33:17,914 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 76 transitions. Word has length 74 [2020-10-29 09:33:17,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:33:17,915 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 76 transitions. [2020-10-29 09:33:17,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-29 09:33:17,915 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 76 transitions. [2020-10-29 09:33:17,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-29 09:33:17,916 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:33:17,916 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-10-29 09:33:17,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-29 09:33:17,917 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:33:17,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:33:17,917 INFO L82 PathProgramCache]: Analyzing trace with hash -128916930, now seen corresponding path program 3 times [2020-10-29 09:33:17,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:33:17,919 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408441379] [2020-10-29 09:33:17,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:33:17,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:17,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:17,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:18,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:18,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:18,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:18,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:22,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:22,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:22,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 107 [2020-10-29 09:33:22,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-29 09:33:22,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5007 [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-29 09:33:22,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:23,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:33:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:23,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:23,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:23,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:33:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-29 09:33:23,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-29 09:33:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:33:23,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-29 09:33:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:23,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:33:23,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,170 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:23,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-29 09:33:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:23,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:33:23,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,184 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:23,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-29 09:33:23,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:23,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:33:23,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:23,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:33:23,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:23,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:33:23,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,244 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:33:23,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-29 09:33:23,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-29 09:33:23,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:23,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-29 09:33:23,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-29 09:33:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:33:23,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-29 09:33:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:23,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:33:23,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:33:23,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:33:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:33:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:33:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-29 09:33:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:33:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:33:23,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:33:23,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:33:23,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:33:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:33:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:33:23,318 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2020-10-29 09:33:23,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [408441379] [2020-10-29 09:33:23,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:33:23,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:33:23,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74675352] [2020-10-29 09:33:23,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:33:23,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:33:23,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:33:23,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:33:23,321 INFO L87 Difference]: Start difference. First operand 70 states and 76 transitions. Second operand 9 states. [2020-10-29 09:33:23,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:33:23,730 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2020-10-29 09:33:23,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:33:23,730 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 83 [2020-10-29 09:33:23,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:33:23,731 INFO L225 Difference]: With dead ends: 103 [2020-10-29 09:33:23,731 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:33:23,732 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-29 09:33:23,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:33:23,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:33:23,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:33:23,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:33:23,733 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 83 [2020-10-29 09:33:23,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:33:23,733 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:33:23,733 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:33:23,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:33:23,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:33:23,734 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-29 09:33:23,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:33:24,495 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-10-29 09:33:24,700 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 43 [2020-10-29 09:33:24,835 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2020-10-29 09:33:24,941 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 40 [2020-10-29 09:33:25,152 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 43 [2020-10-29 09:33:25,269 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-29 09:33:25,269 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-29 09:33:25,269 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-29 09:33:25,269 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-29 09:33:25,269 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-29 09:33:25,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:33:25,270 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string1.offset)| |#t~string1.offset|) (= |#t~string0.offset| |old(#t~string0.offset)|) (= |old(#length)| |#length|) (= |#t~string1.base| |old(#t~string1.base)|) (= |#t~string0.base| |old(#t~string0.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:33:25,270 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:33:25,270 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 571 573) the Hoare annotation is: true [2020-10-29 09:33:25,270 INFO L277 CegarLoopResult]: At program point L572(line 572) the Hoare annotation is: true [2020-10-29 09:33:25,270 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 571 573) no Hoare annotation was computed. [2020-10-29 09:33:25,270 INFO L277 CegarLoopResult]: At program point L593-2(lines 593 597) the Hoare annotation is: true [2020-10-29 09:33:25,270 INFO L274 CegarLoopResult]: For program point L593-3(lines 592 598) no Hoare annotation was computed. [2020-10-29 09:33:25,270 INFO L274 CegarLoopResult]: For program point sll_destroyEXIT(lines 592 598) no Hoare annotation was computed. [2020-10-29 09:33:25,271 INFO L270 CegarLoopResult]: At program point sll_destroyENTRY(lines 592 598) the Hoare annotation is: (= |old(#valid)| |#valid|) [2020-10-29 09:33:25,272 INFO L270 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (let ((.cse1 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse0 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and .cse0 (<= 2 |sll_update_at_#in~index|)) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse1) (let ((.cse2 (+ |sll_update_at_#in~head.offset| 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse2))) (and (or (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse2) sll_update_at_~head.offset) .cse1) (= .cse3 |sll_update_at_#in~head.base|)) (<= 1 |sll_update_at_#in~index|) .cse0 (= .cse3 sll_update_at_~head.base))))))) [2020-10-29 09:33:25,273 INFO L274 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-10-29 09:33:25,273 INFO L274 CegarLoopResult]: For program point sll_update_atFINAL(lines 606 612) no Hoare annotation was computed. [2020-10-29 09:33:25,273 INFO L274 CegarLoopResult]: For program point sll_update_atEXIT(lines 606 612) no Hoare annotation was computed. [2020-10-29 09:33:25,273 INFO L270 CegarLoopResult]: At program point sll_update_atENTRY(lines 606 612) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-10-29 09:33:25,273 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:33:25,274 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:33:25,274 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:33:25,274 INFO L274 CegarLoopResult]: For program point sll_createEXIT(lines 583 591) no Hoare annotation was computed. [2020-10-29 09:33:25,274 INFO L270 CegarLoopResult]: At program point sll_createENTRY(lines 583 591) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:33:25,275 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (or (= (select |#valid| sll_create_~head~0.base) 1) (and (= |#memory_$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$.base)|) (= |old(#valid)| |#valid|))) [2020-10-29 09:33:25,275 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-29 09:33:25,275 INFO L274 CegarLoopResult]: For program point L585-2(lines 585 589) no Hoare annotation was computed. [2020-10-29 09:33:25,275 INFO L270 CegarLoopResult]: At program point L585-3(lines 585 589) the Hoare annotation is: (let ((.cse0 (= (select |#valid| sll_create_~head~0.base) 1))) (or (and (= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0) (and .cse0 (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4))))) (and (= |#memory_$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|)))) [2020-10-29 09:33:25,275 INFO L274 CegarLoopResult]: For program point L585-4(lines 585 589) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point sll_createFINAL(lines 583 591) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:33:25,276 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:33:25,276 INFO L277 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 599 605) the Hoare annotation is: true [2020-10-29 09:33:25,276 INFO L274 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 599 605) no Hoare annotation was computed. [2020-10-29 09:33:25,277 INFO L270 CegarLoopResult]: At program point L600-2(lines 600 603) the Hoare annotation is: (let ((.cse0 (<= |sll_get_data_at_#in~index| sll_get_data_at_~index))) (and (or .cse0 (<= 1 |sll_get_data_at_#in~index|)) (let ((.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and .cse1 (<= 2 |sll_get_data_at_#in~index|)) (and .cse0 (= 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_#in~head.offset| sll_get_data_at_~head.offset) (<= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) (let ((.cse2 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse2) sll_get_data_at_~head.offset) .cse1 (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse2)))))))) [2020-10-29 09:33:25,277 INFO L274 CegarLoopResult]: For program point L600-3(lines 600 603) no Hoare annotation was computed. [2020-10-29 09:33:25,277 INFO L274 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 599 605) no Hoare annotation was computed. [2020-10-29 09:33:25,277 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 613 632) no Hoare annotation was computed. [2020-10-29 09:33:25,277 INFO L274 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-10-29 09:33:25,278 INFO L274 CegarLoopResult]: For program point L628(line 628) no Hoare annotation was computed. [2020-10-29 09:33:25,278 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse3 (* main_~len~0 2)) (.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse4 (= .cse3 (+ .cse6 2))) (.cse2 (+ main_~i~0 main_~len~0))) (or (let ((.cse5 (+ main_~s~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse5))) (let ((.cse1 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse5)))) (and (not (= .cse0 main_~s~0.base)) (= .cse1 .cse2) (<= 1 main_~i~0) (= .cse1 main_~expected~0) (= .cse3 (+ .cse1 1)) .cse4 (<= main_~i~0 1))))) (and (<= main_~len~0 2) (= .cse6 main_~expected~0) (<= 0 main_~i~0) .cse4 (= .cse2 .cse6))))) [2020-10-29 09:33:25,278 INFO L274 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-10-29 09:33:25,279 INFO L274 CegarLoopResult]: For program point L624-2(lines 624 626) no Hoare annotation was computed. [2020-10-29 09:33:25,279 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 613 632) no Hoare annotation was computed. [2020-10-29 09:33:25,280 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse4 (+ main_~s~0.offset 4))) (let ((.cse3 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse4))) (let ((.cse0 (not (= .cse3 main_~s~0.base))) (.cse1 (<= 2 main_~len~0)) (.cse2 (* main_~len~0 2))) (or (and .cse0 .cse1 (<= main_~len~0 (+ main_~i~0 1)) (= (+ main_~new_data~0 1) .cse2) (<= main_~i~0 1)) (let ((.cse6 (+ main_~new_data~0 2)) (.cse5 (* 2 main_~len~0))) (and (<= main_~i~0 0) .cse0 .cse1 (<= main_~len~0 2) (= .cse2 (+ (select (select |#memory_int| .cse3) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse4)) 1)) (<= .cse5 .cse6) (<= .cse6 (+ main_~i~0 .cse5)))))))) [2020-10-29 09:33:25,280 INFO L274 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-10-29 09:33:25,280 INFO L274 CegarLoopResult]: For program point L620-1(lines 618 621) no Hoare annotation was computed. [2020-10-29 09:33:25,280 INFO L270 CegarLoopResult]: At program point L622-3(lines 622 627) the Hoare annotation is: (let ((.cse3 (* main_~len~0 2)) (.cse8 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse2 (+ main_~i~0 main_~len~0)) (.cse6 (<= main_~len~0 2)) (.cse7 (<= 2 main_~len~0)) (.cse4 (= .cse3 (+ .cse8 2)))) (or (let ((.cse5 (+ main_~s~0.offset 4))) (let ((.cse0 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse5))) (let ((.cse1 (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse5)))) (and (not (= .cse0 main_~s~0.base)) (= .cse1 .cse2) (<= 1 main_~i~0) (= .cse3 (+ .cse1 1)) .cse4 (<= main_~i~0 1))))) (and .cse6 .cse7 .cse4 (= .cse2 .cse8)) (and .cse6 .cse7 (<= (+ main_~i~0 1) 0) .cse4)))) [2020-10-29 09:33:25,280 INFO L270 CegarLoopResult]: At program point L622-4(lines 622 627) the Hoare annotation is: (<= 2 main_~len~0) [2020-10-29 09:33:25,280 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (<= main_~len~0 2) (= |old(#length)| |#length|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:33:25,281 INFO L270 CegarLoopResult]: At program point L618-2(lines 618 621) the Hoare annotation is: (let ((.cse8 (+ main_~s~0.offset 4))) (let ((.cse6 (* main_~len~0 2)) (.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse8))) (let ((.cse1 (+ main_~i~0 1)) (.cse0 (not (= .cse7 main_~s~0.base))) (.cse3 (<= main_~len~0 2)) (.cse4 (<= 2 main_~len~0)) (.cse5 (= .cse6 (+ (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse8)) 1))) (.cse2 (<= main_~i~0 1))) (or (and .cse0 (<= .cse1 main_~len~0) (<= 1 main_~i~0) (<= main_~len~0 .cse1) .cse2) (and .cse0 .cse3 .cse4 (<= .cse1 0) .cse5 (= .cse6 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2))) (and .cse0 .cse3 .cse4 (<= 0 main_~i~0) .cse5 (= (+ main_~new_data~0 1) .cse6) .cse2))))) [2020-10-29 09:33:25,281 INFO L274 CegarLoopResult]: For program point L616-1(line 616) no Hoare annotation was computed. [2020-10-29 09:33:25,281 INFO L274 CegarLoopResult]: For program point L618-3(lines 618 621) no Hoare annotation was computed. [2020-10-29 09:33:25,281 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 613 632) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:33:25,281 INFO L270 CegarLoopResult]: At program point L625(lines 613 632) the Hoare annotation is: false [2020-10-29 09:33:25,281 INFO L277 CegarLoopResult]: At program point L577(line 577) the Hoare annotation is: true [2020-10-29 09:33:25,281 INFO L274 CegarLoopResult]: For program point L576(lines 576 578) no Hoare annotation was computed. [2020-10-29 09:33:25,281 INFO L274 CegarLoopResult]: For program point L576-1(lines 576 578) no Hoare annotation was computed. [2020-10-29 09:33:25,282 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 574 582) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:33:25,282 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 574 582) no Hoare annotation was computed. [2020-10-29 09:33:25,282 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 574 582) no Hoare annotation was computed. [2020-10-29 09:33:25,298 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,299 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,306 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,307 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,313 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,314 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,315 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,319 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,320 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,336 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,338 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,341 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,344 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,349 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,350 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,351 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,351 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,352 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,357 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,358 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,359 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,360 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,361 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,362 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,363 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,363 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,364 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,365 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:33:25 BoogieIcfgContainer [2020-10-29 09:33:25,367 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:33:25,373 INFO L168 Benchmark]: Toolchain (without parser) took 71669.15 ms. Allocated memory was 125.8 MB in the beginning and 784.3 MB in the end (delta: 658.5 MB). Free memory was 99.7 MB in the beginning and 571.1 MB in the end (delta: -471.4 MB). Peak memory consumption was 464.5 MB. Max. memory is 8.0 GB. [2020-10-29 09:33:25,374 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:33:25,375 INFO L168 Benchmark]: CACSL2BoogieTranslator took 679.81 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 76.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:33:25,376 INFO L168 Benchmark]: Boogie Preprocessor took 62.12 ms. Allocated memory is still 125.8 MB. Free memory was 76.4 MB in the beginning and 73.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:33:25,379 INFO L168 Benchmark]: RCFGBuilder took 732.04 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.7 MB in the beginning and 90.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:33:25,383 INFO L168 Benchmark]: TraceAbstraction took 70181.18 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 89.6 MB in the beginning and 571.1 MB in the end (delta: -481.5 MB). Peak memory consumption was 428.6 MB. Max. memory is 8.0 GB. [2020-10-29 09:33:25,390 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 125.8 MB. Free memory is still 84.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 679.81 ms. Allocated memory is still 125.8 MB. Free memory was 99.0 MB in the beginning and 76.4 MB in the end (delta: 22.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.12 ms. Allocated memory is still 125.8 MB. Free memory was 76.4 MB in the beginning and 73.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 732.04 ms. Allocated memory was 125.8 MB in the beginning and 151.0 MB in the end (delta: 25.2 MB). Free memory was 73.7 MB in the beginning and 90.0 MB in the end (delta: -16.3 MB). Peak memory consumption was 10.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 70181.18 ms. Allocated memory was 151.0 MB in the beginning and 784.3 MB in the end (delta: 633.3 MB). Free memory was 89.6 MB in the beginning and 571.1 MB in the end (delta: -481.5 MB). Peak memory consumption was 428.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_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_$Pointer$ - 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_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 #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 #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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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 [2020-10-29 09:33:25,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,410 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,411 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (\old(index) <= index || 1 <= \old(index)) && (((index + 1 <= \old(index) && 2 <= \old(index)) || ((((\old(index) <= index && head == head) && index <= \old(index)) && head <= head) && head <= head)) || ((#memory_$Pointer$[head][head + 4] == head && index + 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4])) - InvariantResult [Line: 607]: Loop Invariant [2020-10-29 09:33:25,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,414 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,415 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,420 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,421 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((#memory_$Pointer$ == \old(#memory_$Pointer$) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && (((index + 1 <= \old(index) && 2 <= \old(index)) || (((head == head && head == head) && \old(index) == index) && data == \old(data))) || (((((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) || #memory_$Pointer$[head][head + 4] == head) && 1 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$[head][head + 4] == head)) - InvariantResult [Line: 618]: Loop Invariant [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,423 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,424 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,424 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,425 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,425 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,426 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,427 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,428 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,429 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((!(#memory_$Pointer$[s][s + 4] == s) && i + 1 <= len) && 1 <= i) && len <= i + 1) && i <= 1) || (((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && 2 <= len) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len * 2 == unknown-#memory_int-unknown[s][s] + 2)) || ((((((!(#memory_$Pointer$[s][s + 4] == s) && len <= 2) && 2 <= len) && 0 <= i) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && new_data + 1 == len * 2) && 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 [2020-10-29 09:33:25,429 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,433 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,433 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,434 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,435 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,436 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,436 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-10-29 09:33:25,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,437 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((\old(len) == len + 1 && \valid[head] == 1) || (\valid[head] == 1 && !(head == #memory_$Pointer$[head][head + 4]))) || (((((#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 [2020-10-29 09:33:25,437 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,438 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,438 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,439 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,441 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:33:25,442 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,443 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:33:25,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-10-29 09:33:25,444 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((!(#memory_$Pointer$[s][s + 4] == s) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] == i + len) && 1 <= i) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && i <= 1) || (((len <= 2 && 2 <= len) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && i + len == unknown-#memory_int-unknown[s][s])) || (((len <= 2 && 2 <= len) && i + 1 <= 0) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 68.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 10.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 458 SDtfs, 810 SDslu, 1678 SDs, 0 SdLazy, 4236 SolverSat, 555 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 365 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 221 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 549 ImplicationChecksByTransitivity, 6.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=81occurred 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: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 95 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 100 PreInvPairs, 152 NumberOfFragments, 799 HoareAnnotationTreeSize, 100 FomulaSimplifications, 5220 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 25 FomulaSimplificationsInter, 882 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 57.0s InterpolantComputationTime, 707 NumberOfCodeBlocks, 707 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 695 ConstructedInterpolants, 0 QuantifiedInterpolants, 186375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 229/276 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...