/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/dll2c_remove_all.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-29 09:26:28,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-29 09:26:28,904 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-29 09:26:28,958 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-29 09:26:28,958 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-29 09:26:28,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-29 09:26:28,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-29 09:26:28,972 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-29 09:26:28,975 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-29 09:26:28,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-29 09:26:28,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-29 09:26:28,984 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-29 09:26:28,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-29 09:26:28,988 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-29 09:26:28,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-29 09:26:28,995 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-29 09:26:28,996 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-29 09:26:29,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-29 09:26:29,008 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-29 09:26:29,015 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-29 09:26:29,018 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-29 09:26:29,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-29 09:26:29,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-29 09:26:29,024 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-29 09:26:29,048 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-29 09:26:29,048 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-29 09:26:29,049 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-29 09:26:29,051 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-29 09:26:29,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-29 09:26:29,054 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-29 09:26:29,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-29 09:26:29,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-29 09:26:29,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-29 09:26:29,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-29 09:26:29,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-29 09:26:29,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-29 09:26:29,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-29 09:26:29,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-29 09:26:29,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-29 09:26:29,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-29 09:26:29,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-29 09:26:29,069 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 09:26:29,120 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-29 09:26:29,120 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-29 09:26:29,124 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-29 09:26:29,124 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-29 09:26:29,124 INFO L138 SettingsManager]: * Use SBE=true [2020-10-29 09:26:29,125 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-29 09:26:29,125 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-29 09:26:29,125 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-29 09:26:29,125 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-29 09:26:29,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-29 09:26:29,126 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-29 09:26:29,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-29 09:26:29,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-29 09:26:29,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-29 09:26:29,127 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-29 09:26:29,127 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-29 09:26:29,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-29 09:26:29,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-29 09:26:29,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-29 09:26:29,128 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-29 09:26:29,128 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-29 09:26:29,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-29 09:26:29,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-29 09:26:29,129 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-29 09:26:29,129 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-29 09:26:29,129 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-29 09:26:29,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-29 09:26:29,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-29 09:26:29,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-29 09:26:29,130 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true;unknown-allowed=true; [2020-10-29 09:26:29,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-29 09:26:29,639 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-29 09:26:29,643 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-29 09:26:29,644 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-29 09:26:29,645 INFO L275 PluginConnector]: CDTParser initialized [2020-10-29 09:26:29,646 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2020-10-29 09:26:29,741 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81a11dff3/06e5091e879f4cc6bc94d743eecd6bb6/FLAG99e4bd040 [2020-10-29 09:26:30,362 INFO L306 CDTParser]: Found 1 translation units. [2020-10-29 09:26:30,363 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/list-simple/dll2c_remove_all.i [2020-10-29 09:26:30,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81a11dff3/06e5091e879f4cc6bc94d743eecd6bb6/FLAG99e4bd040 [2020-10-29 09:26:30,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/81a11dff3/06e5091e879f4cc6bc94d743eecd6bb6 [2020-10-29 09:26:30,663 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-29 09:26:30,671 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-29 09:26:30,673 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-29 09:26:30,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-29 09:26:30,680 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-29 09:26:30,682 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:26:30" (1/1) ... [2020-10-29 09:26:30,687 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6df2a963 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:30, skipping insertion in model container [2020-10-29 09:26:30,687 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 09:26:30" (1/1) ... [2020-10-29 09:26:30,696 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-29 09:26:30,772 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-29 09:26:31,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:26:31,115 INFO L203 MainTranslator]: Completed pre-run [2020-10-29 09:26:31,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-29 09:26:31,263 INFO L208 MainTranslator]: Completed translation [2020-10-29 09:26:31,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31 WrapperNode [2020-10-29 09:26:31,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-29 09:26:31,265 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-29 09:26:31,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-29 09:26:31,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-29 09:26:31,277 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,299 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,299 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,319 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,346 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (1/1) ... [2020-10-29 09:26:31,371 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-29 09:26:31,372 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-29 09:26:31,372 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-29 09:26:31,372 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-29 09:26:31,378 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (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 09:26:31,455 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-10-29 09:26:31,456 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-10-29 09:26:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_create [2020-10-29 09:26:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure dll_circular_remove_first [2020-10-29 09:26:31,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-29 09:26:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-29 09:26:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-29 09:26:31,457 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-10-29 09:26:31,458 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-10-29 09:26:31,459 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-10-29 09:26:31,460 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-10-29 09:26:31,461 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-10-29 09:26:31,462 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-10-29 09:26:31,463 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-10-29 09:26:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-10-29 09:26:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-10-29 09:26:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-10-29 09:26:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-10-29 09:26:31,464 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-10-29 09:26:31,465 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-10-29 09:26:31,466 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-10-29 09:26:31,467 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-10-29 09:26:31,468 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-10-29 09:26:31,469 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-10-29 09:26:31,470 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-10-29 09:26:31,471 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-10-29 09:26:31,472 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-10-29 09:26:31,473 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-29 09:26:31,474 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_create [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure dll_circular_remove_first [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-29 09:26:31,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-29 09:26:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-29 09:26:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-29 09:26:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-29 09:26:31,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-29 09:26:32,072 INFO L751 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-10-29 09:26:32,253 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-29 09:26:32,253 INFO L298 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-29 09:26:32,255 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:26:32 BoogieIcfgContainer [2020-10-29 09:26:32,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-29 09:26:32,259 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-29 09:26:32,259 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-29 09:26:32,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-29 09:26:32,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 09:26:30" (1/3) ... [2020-10-29 09:26:32,266 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cea5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:26:32, skipping insertion in model container [2020-10-29 09:26:32,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 09:26:31" (2/3) ... [2020-10-29 09:26:32,267 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48cea5cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 09:26:32, skipping insertion in model container [2020-10-29 09:26:32,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 09:26:32" (3/3) ... [2020-10-29 09:26:32,272 INFO L111 eAbstractionObserver]: Analyzing ICFG dll2c_remove_all.i [2020-10-29 09:26:32,285 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-29 09:26:32,290 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-29 09:26:32,305 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-29 09:26:32,349 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-29 09:26:32,350 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-29 09:26:32,350 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-29 09:26:32,350 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-29 09:26:32,350 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-29 09:26:32,350 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-29 09:26:32,350 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-29 09:26:32,350 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-29 09:26:32,372 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states. [2020-10-29 09:26:32,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-10-29 09:26:32,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:32,380 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] [2020-10-29 09:26:32,380 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:32,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:32,387 INFO L82 PathProgramCache]: Analyzing trace with hash 379255624, now seen corresponding path program 1 times [2020-10-29 09:26:32,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:32,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [896528786] [2020-10-29 09:26:32,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:32,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:32,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:33,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:33,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-10-29 09:26:33,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 646 [2020-10-29 09:26:33,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:33,208 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:33,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-29 09:26:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:26:33,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:33,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:33,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:33,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:33,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:33,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:33,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-29 09:26:33,364 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:33,364 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:33,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:33,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:33,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:33,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:33,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:33,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-10-29 09:26:33,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:33,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 111 [2020-10-29 09:26:33,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:33,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:33,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-29 09:26:33,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-29 09:26:33,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:33,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:33,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:33,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:33,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-29 09:26:33,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:33,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:33,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:33,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:33,650 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 09:26:33,651 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [896528786] [2020-10-29 09:26:33,653 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:26:33,653 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-29 09:26:33,654 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1723301964] [2020-10-29 09:26:33,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-29 09:26:33,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:33,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-29 09:26:33,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-29 09:26:33,677 INFO L87 Difference]: Start difference. First operand 47 states. Second operand 7 states. [2020-10-29 09:26:33,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:33,993 INFO L93 Difference]: Finished difference Result 76 states and 94 transitions. [2020-10-29 09:26:33,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 09:26:33,995 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-10-29 09:26:33,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:34,003 INFO L225 Difference]: With dead ends: 76 [2020-10-29 09:26:34,003 INFO L226 Difference]: Without dead ends: 42 [2020-10-29 09:26:34,008 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-10-29 09:26:34,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-29 09:26:34,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 38. [2020-10-29 09:26:34,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2020-10-29 09:26:34,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 42 transitions. [2020-10-29 09:26:34,057 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 42 transitions. Word has length 26 [2020-10-29 09:26:34,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:34,057 INFO L481 AbstractCegarLoop]: Abstraction has 38 states and 42 transitions. [2020-10-29 09:26:34,058 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-29 09:26:34,058 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 42 transitions. [2020-10-29 09:26:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-29 09:26:34,060 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:34,060 INFO L422 BasicCegarLoop]: trace histogram [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 09:26:34,061 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-29 09:26:34,061 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:34,062 INFO L82 PathProgramCache]: Analyzing trace with hash 2036342562, now seen corresponding path program 1 times [2020-10-29 09:26:34,062 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:34,062 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834984117] [2020-10-29 09:26:34,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:34,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:34,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:34,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-29 09:26:34,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:34,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 454 [2020-10-29 09:26:34,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:34,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-29 09:26:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:34,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-29 09:26:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:34,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:34,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:34,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:34,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:26:34,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:34,638 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:34,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:34,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:34,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:34,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:34,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-10-29 09:26:34,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:34,899 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:34,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:34,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:26:34,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:34,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:34,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:34,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:34,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:34,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:26:34,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:34,930 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:34,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:34,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:34,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:34,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:34,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:34,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:34,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:34,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:34,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:34,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:26:34,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:34,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:34,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:34,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:34,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:34,967 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 09:26:34,968 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834984117] [2020-10-29 09:26:34,968 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:26:34,968 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-29 09:26:34,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059324364] [2020-10-29 09:26:34,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-29 09:26:34,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:34,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-29 09:26:34,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-10-29 09:26:34,974 INFO L87 Difference]: Start difference. First operand 38 states and 42 transitions. Second operand 6 states. [2020-10-29 09:26:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:35,182 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2020-10-29 09:26:35,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-29 09:26:35,182 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 36 [2020-10-29 09:26:35,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:35,184 INFO L225 Difference]: With dead ends: 47 [2020-10-29 09:26:35,184 INFO L226 Difference]: Without dead ends: 41 [2020-10-29 09:26:35,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:26:35,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2020-10-29 09:26:35,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 39. [2020-10-29 09:26:35,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-29 09:26:35,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 43 transitions. [2020-10-29 09:26:35,196 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 43 transitions. Word has length 36 [2020-10-29 09:26:35,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:35,196 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 43 transitions. [2020-10-29 09:26:35,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-29 09:26:35,197 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 43 transitions. [2020-10-29 09:26:35,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-10-29 09:26:35,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:35,198 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-29 09:26:35,199 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-29 09:26:35,199 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:35,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:35,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1738759929, now seen corresponding path program 1 times [2020-10-29 09:26:35,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:35,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626124487] [2020-10-29 09:26:35,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:35,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:35,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:35,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:35,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-29 09:26:40,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:26:40,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5019 [2020-10-29 09:26:40,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:40,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 09:26:40,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:40,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:40,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:40,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:40,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:26:40,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:40,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:40,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-29 09:26:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:40,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:40,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:40,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 107 [2020-10-29 09:26:40,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:40,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:40,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:26:40,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-29 09:26:40,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:40,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:40,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-29 09:26:40,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,541 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:40,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:40,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:40,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:40,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:40,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:40,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:26:40,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:40,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:40,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:40,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:40,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:40,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:40,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:26:40,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:40,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:40,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:26:40,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:40,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 09:26:40,611 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626124487] [2020-10-29 09:26:40,612 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:26:40,612 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-29 09:26:40,612 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064182396] [2020-10-29 09:26:40,614 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-29 09:26:40,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:40,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-29 09:26:40,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2020-10-29 09:26:40,619 INFO L87 Difference]: Start difference. First operand 39 states and 43 transitions. Second operand 8 states. [2020-10-29 09:26:40,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:40,876 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2020-10-29 09:26:40,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-29 09:26:40,877 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-10-29 09:26:40,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:40,878 INFO L225 Difference]: With dead ends: 48 [2020-10-29 09:26:40,878 INFO L226 Difference]: Without dead ends: 42 [2020-10-29 09:26:40,879 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-10-29 09:26:40,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-29 09:26:40,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-29 09:26:40,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-29 09:26:40,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 47 transitions. [2020-10-29 09:26:40,888 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 47 transitions. Word has length 43 [2020-10-29 09:26:40,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:40,889 INFO L481 AbstractCegarLoop]: Abstraction has 42 states and 47 transitions. [2020-10-29 09:26:40,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-29 09:26:40,889 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 47 transitions. [2020-10-29 09:26:40,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 09:26:40,891 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:40,891 INFO L422 BasicCegarLoop]: trace histogram [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 09:26:40,891 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-29 09:26:40,891 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:40,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:40,892 INFO L82 PathProgramCache]: Analyzing trace with hash 539488066, now seen corresponding path program 2 times [2020-10-29 09:26:40,892 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:40,893 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1322034681] [2020-10-29 09:26:40,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:40,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:40,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:42,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:45,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:45,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:26:45,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-29 09:26:45,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-29 09:26:45,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:45,925 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-29 09:26:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 09:26:45,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-29 09:26:45,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:46,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:46,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:46,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,018 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:46,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:46,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:46,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:46,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:46,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 342 [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:46,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 09:26:46,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:46,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:46,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-29 09:26:46,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:46,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:46,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:26:46,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:46,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:26:46,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:26:46,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:26:46,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:46,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:46,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:26:46,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:26:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:26:46,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:26:46,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:46,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:26:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:46,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:46,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:46,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:46,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:46,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:26:46,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:46,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:46,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 09:26:46,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:46,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:26:46,859 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-29 09:26:46,859 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1322034681] [2020-10-29 09:26:46,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:26:46,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-29 09:26:46,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555661101] [2020-10-29 09:26:46,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-29 09:26:46,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:46,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-29 09:26:46,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=341, Unknown=0, NotChecked=0, Total=380 [2020-10-29 09:26:46,862 INFO L87 Difference]: Start difference. First operand 42 states and 47 transitions. Second operand 20 states. [2020-10-29 09:26:47,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:47,591 INFO L93 Difference]: Finished difference Result 71 states and 84 transitions. [2020-10-29 09:26:47,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-29 09:26:47,592 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 50 [2020-10-29 09:26:47,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:47,595 INFO L225 Difference]: With dead ends: 71 [2020-10-29 09:26:47,595 INFO L226 Difference]: Without dead ends: 56 [2020-10-29 09:26:47,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=72, Invalid=578, Unknown=0, NotChecked=0, Total=650 [2020-10-29 09:26:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-29 09:26:47,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2020-10-29 09:26:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 09:26:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2020-10-29 09:26:47,610 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 50 [2020-10-29 09:26:47,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:47,610 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2020-10-29 09:26:47,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-29 09:26:47,610 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2020-10-29 09:26:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 09:26:47,612 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:47,612 INFO L422 BasicCegarLoop]: trace histogram [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, 1] [2020-10-29 09:26:47,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-29 09:26:47,612 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:47,613 INFO L82 PathProgramCache]: Analyzing trace with hash -1048859836, now seen corresponding path program 1 times [2020-10-29 09:26:47,613 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:47,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240099334] [2020-10-29 09:26:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:47,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:26:47,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 293 [2020-10-29 09:26:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:47,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:26:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-29 09:26:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:26:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:47,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:47,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:48,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:48,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:48,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:48,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-29 09:26:48,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,047 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:48,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:48,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:48,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:48,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-29 09:26:48,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:48,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:48,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:26:48,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:48,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:48,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:26:48,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:48,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:26:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:26:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:48,169 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-29 09:26:48,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240099334] [2020-10-29 09:26:48,170 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:26:48,170 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:26:48,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2124890799] [2020-10-29 09:26:48,171 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:26:48,171 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:48,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:26:48,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:26:48,172 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 9 states. [2020-10-29 09:26:48,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:48,610 INFO L93 Difference]: Finished difference Result 68 states and 81 transitions. [2020-10-29 09:26:48,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-29 09:26:48,611 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 50 [2020-10-29 09:26:48,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:48,612 INFO L225 Difference]: With dead ends: 68 [2020-10-29 09:26:48,613 INFO L226 Difference]: Without dead ends: 62 [2020-10-29 09:26:48,616 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-10-29 09:26:48,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-10-29 09:26:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 55. [2020-10-29 09:26:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-29 09:26:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 65 transitions. [2020-10-29 09:26:48,637 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 65 transitions. Word has length 50 [2020-10-29 09:26:48,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:48,638 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 65 transitions. [2020-10-29 09:26:48,643 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:26:48,643 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2020-10-29 09:26:48,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-10-29 09:26:48,645 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:48,645 INFO L422 BasicCegarLoop]: trace histogram [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 09:26:48,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-29 09:26:48,647 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:48,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:48,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1441886846, now seen corresponding path program 1 times [2020-10-29 09:26:48,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:48,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [876329387] [2020-10-29 09:26:48,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:48,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:48,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:50,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:50,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 68 [2020-10-29 09:26:50,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1843 [2020-10-29 09:26:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:50,552 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-29 09:26:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 24 [2020-10-29 09:26:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-29 09:26:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:50,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:50,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:50,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:50,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:50,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:50,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:50,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:50,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:50,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:51,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:51,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:51,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:51,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 189 [2020-10-29 09:26:51,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:51,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:51,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:26:51,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:51,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-29 09:26:51,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:51,313 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2020-10-29 09:26:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:51,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:51,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:51,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:51,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:51,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:51,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:51,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:51,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:51,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:51,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:51,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:51,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:26:51,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:51,533 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:51,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:26:51,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:51,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:51,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:51,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:51,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:51,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:51,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:26:51,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:26:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:51,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:51,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:51,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:51,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:51,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-29 09:26:51,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:51,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:26:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:26:51,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:26:51,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:52,013 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 09:26:52,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [876329387] [2020-10-29 09:26:52,015 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:26:52,015 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-29 09:26:52,015 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418162291] [2020-10-29 09:26:52,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-29 09:26:52,016 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:52,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-29 09:26:52,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2020-10-29 09:26:52,017 INFO L87 Difference]: Start difference. First operand 55 states and 65 transitions. Second operand 17 states. [2020-10-29 09:26:52,385 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2020-10-29 09:26:53,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:53,106 INFO L93 Difference]: Finished difference Result 76 states and 90 transitions. [2020-10-29 09:26:53,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:26:53,108 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 50 [2020-10-29 09:26:53,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:53,110 INFO L225 Difference]: With dead ends: 76 [2020-10-29 09:26:53,110 INFO L226 Difference]: Without dead ends: 59 [2020-10-29 09:26:53,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=66, Invalid=396, Unknown=0, NotChecked=0, Total=462 [2020-10-29 09:26:53,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-29 09:26:53,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 58. [2020-10-29 09:26:53,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-29 09:26:53,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2020-10-29 09:26:53,123 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 50 [2020-10-29 09:26:53,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:53,124 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2020-10-29 09:26:53,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-29 09:26:53,124 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2020-10-29 09:26:53,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-29 09:26:53,125 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:53,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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 09:26:53,128 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-29 09:26:53,128 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:53,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:53,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1272108331, now seen corresponding path program 2 times [2020-10-29 09:26:53,129 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:53,130 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812991149] [2020-10-29 09:26:53,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:53,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:53,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 77 [2020-10-29 09:26:54,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:54,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-10-29 09:26:54,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:26:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-29 09:26:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-29 09:26:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:26:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,494 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:54,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:26:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-29 09:26:54,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:26:54,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 104 [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-29 09:26:54,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:26:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:54,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:54,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:26:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:26:54,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-29 09:26:54,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,668 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:54,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-29 09:26:54,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:54,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-29 09:26:54,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,704 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:26:54,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-29 09:26:54,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:26:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:26:54,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:26:54,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-29 09:26:54,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:54,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:54,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:26:54,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:26:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 09:26:54,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:26:54,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:26:54,745 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-29 09:26:54,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812991149] [2020-10-29 09:26:54,746 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-29 09:26:54,746 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-29 09:26:54,746 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329739758] [2020-10-29 09:26:54,748 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-29 09:26:54,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:26:54,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-29 09:26:54,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-29 09:26:54,751 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand 9 states. [2020-10-29 09:26:54,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:26:54,969 INFO L93 Difference]: Finished difference Result 77 states and 89 transitions. [2020-10-29 09:26:54,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-29 09:26:54,970 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-10-29 09:26:54,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:26:54,971 INFO L225 Difference]: With dead ends: 77 [2020-10-29 09:26:54,971 INFO L226 Difference]: Without dead ends: 49 [2020-10-29 09:26:54,974 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2020-10-29 09:26:54,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2020-10-29 09:26:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2020-10-29 09:26:54,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-29 09:26:54,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-10-29 09:26:54,991 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 57 [2020-10-29 09:26:54,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:26:54,991 INFO L481 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-10-29 09:26:54,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-29 09:26:54,991 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-10-29 09:26:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 09:26:54,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:26:54,994 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2020-10-29 09:26:54,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-29 09:26:54,994 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:26:54,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:26:54,995 INFO L82 PathProgramCache]: Analyzing trace with hash -600535788, now seen corresponding path program 3 times [2020-10-29 09:26:54,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:26:54,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196830441] [2020-10-29 09:26:54,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:26:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:26:55,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:26:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:00,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:00,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5020 [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-29 09:27:00,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 19 [2020-10-29 09:27:00,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 09:27:00,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:00,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:00,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:00,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:00,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:00,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-29 09:27:00,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:00,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:00,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:00,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:00,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:00,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:00,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:00,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:00,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 09:27:00,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:00,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 779 [2020-10-29 09:27:00,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:00,946 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-29 09:27:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:00,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 39 [2020-10-29 09:27:00,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:01,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:01,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-29 09:27:01,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,185 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-29 09:27:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:01,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:27:01,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:01,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-29 09:27:01,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:27:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:27:01,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:27:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:01,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-29 09:27:01,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-29 09:27:01,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:01,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-29 09:27:01,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:27:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:27:01,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-29 09:27:01,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-29 09:27:01,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-29 09:27:01,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-29 09:27:01,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:27:01,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:01,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:01,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:01,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:27:01,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:01,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:01,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:01,608 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:01,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-29 09:27:01,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:01,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:01,628 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 9 proven. 16 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-29 09:27:01,628 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196830441] [2020-10-29 09:27:01,629 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:01,629 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-29 09:27:01,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059269022] [2020-10-29 09:27:01,629 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-29 09:27:01,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:01,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-29 09:27:01,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=546, Unknown=0, NotChecked=0, Total=600 [2020-10-29 09:27:01,631 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 25 states. [2020-10-29 09:27:02,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:02,503 INFO L93 Difference]: Finished difference Result 66 states and 71 transitions. [2020-10-29 09:27:02,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-29 09:27:02,503 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 60 [2020-10-29 09:27:02,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:02,504 INFO L225 Difference]: With dead ends: 66 [2020-10-29 09:27:02,505 INFO L226 Difference]: Without dead ends: 47 [2020-10-29 09:27:02,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=117, Invalid=1005, Unknown=0, NotChecked=0, Total=1122 [2020-10-29 09:27:02,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-10-29 09:27:02,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-10-29 09:27:02,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-29 09:27:02,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-10-29 09:27:02,519 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 60 [2020-10-29 09:27:02,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:02,520 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-10-29 09:27:02,520 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-29 09:27:02,520 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-10-29 09:27:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-29 09:27:02,521 INFO L414 BasicCegarLoop]: Found error trace [2020-10-29 09:27:02,521 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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 09:27:02,521 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-29 09:27:02,521 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-29 09:27:02,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-29 09:27:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash 2106083606, now seen corresponding path program 2 times [2020-10-29 09:27:02,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-29 09:27:02,525 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159175096] [2020-10-29 09:27:02,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-29 09:27:02,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:02,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:03,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-29 09:27:04,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1765 [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-10-29 09:27:04,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-29 09:27:04,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-29 09:27:04,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,388 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,388 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-29 09:27:04,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-29 09:27:04,389 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,389 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-29 09:27:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-29 09:27:04,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-29 09:27:04,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 209 [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-29 09:27:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-29 09:27:04,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-29 09:27:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:04,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:04,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-29 09:27:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:04,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-29 09:27:04,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-29 09:27:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-29 09:27:04,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:27:04,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,749 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-29 09:27:04,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-29 09:27:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:27:04,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:27:04,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,793 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:04,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:27:04,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-29 09:27:04,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-29 09:27:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-29 09:27:04,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-29 09:27:04,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-29 09:27:04,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-29 09:27:04,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-29 09:27:04,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-29 09:27:04,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-29 09:27:04,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-10-29 09:27:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-29 09:27:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-29 09:27:04,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-29 09:27:04,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-29 09:27:04,830 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-10-29 09:27:04,831 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159175096] [2020-10-29 09:27:04,836 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-29 09:27:04,836 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-29 09:27:04,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257795427] [2020-10-29 09:27:04,838 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-29 09:27:04,838 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-29 09:27:04,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-29 09:27:04,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-29 09:27:04,840 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 12 states. [2020-10-29 09:27:05,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-29 09:27:05,147 INFO L93 Difference]: Finished difference Result 51 states and 58 transitions. [2020-10-29 09:27:05,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-29 09:27:05,147 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 60 [2020-10-29 09:27:05,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-29 09:27:05,148 INFO L225 Difference]: With dead ends: 51 [2020-10-29 09:27:05,148 INFO L226 Difference]: Without dead ends: 0 [2020-10-29 09:27:05,149 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-10-29 09:27:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-29 09:27:05,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-29 09:27:05,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-29 09:27:05,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-29 09:27:05,150 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 60 [2020-10-29 09:27:05,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-29 09:27:05,150 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-29 09:27:05,150 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-29 09:27:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-29 09:27:05,150 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-29 09:27:05,150 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-29 09:27:05,153 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-29 09:27:05,525 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 45 [2020-10-29 09:27:05,709 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 62 [2020-10-29 09:27:05,862 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 12) no Hoare annotation was computed. [2020-10-29 09:27:05,862 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 12) the Hoare annotation is: true [2020-10-29 09:27:05,862 INFO L274 CegarLoopResult]: For program point L12-1(line 12) no Hoare annotation was computed. [2020-10-29 09:27:05,862 INFO L274 CegarLoopResult]: For program point L12-2(line 12) no Hoare annotation was computed. [2020-10-29 09:27:05,863 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2020-10-29 09:27:05,863 INFO L274 CegarLoopResult]: For program point dll_circular_remove_firstEXIT(lines 601 613) no Hoare annotation was computed. [2020-10-29 09:27:05,863 INFO L274 CegarLoopResult]: For program point L603(lines 603 612) no Hoare annotation was computed. [2020-10-29 09:27:05,863 INFO L274 CegarLoopResult]: For program point L603-2(lines 601 613) no Hoare annotation was computed. [2020-10-29 09:27:05,863 INFO L270 CegarLoopResult]: At program point dll_circular_remove_firstENTRY(lines 601 613) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:05,863 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:27:05,863 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 09:27:05,864 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:27:05,864 INFO L277 CegarLoopResult]: At program point myexitENTRY(lines 572 574) the Hoare annotation is: true [2020-10-29 09:27:05,864 INFO L277 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: true [2020-10-29 09:27:05,864 INFO L274 CegarLoopResult]: For program point myexitEXIT(lines 572 574) no Hoare annotation was computed. [2020-10-29 09:27:05,864 INFO L274 CegarLoopResult]: For program point __bswap_32ENTRY(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:05,864 INFO L274 CegarLoopResult]: For program point __bswap_32FINAL(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point __bswap_32EXIT(lines 74 78) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point __bswap_64ENTRY(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point __bswap_64FINAL(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point __bswap_64EXIT(lines 79 83) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L277 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-10-29 09:27:05,865 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-29 09:27:05,865 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-29 09:27:05,865 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 614 629) 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$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:05,866 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 614 629) no Hoare annotation was computed. [2020-10-29 09:27:05,866 INFO L274 CegarLoopResult]: For program point L627(line 627) no Hoare annotation was computed. [2020-10-29 09:27:05,866 INFO L270 CegarLoopResult]: At program point L624(lines 614 629) the Hoare annotation is: false [2020-10-29 09:27:05,866 INFO L274 CegarLoopResult]: For program point L623(lines 623 625) no Hoare annotation was computed. [2020-10-29 09:27:05,867 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 614 629) no Hoare annotation was computed. [2020-10-29 09:27:05,867 INFO L270 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse8 (select |#memory_$Pointer$.base| .cse11)) (.cse9 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse7 (select .cse8 .cse9)) (.cse5 (select |#memory_$Pointer$.offset| .cse11))) (let ((.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse4 (select .cse5 .cse9)) (.cse0 (= .cse7 .cse11))) (or (let ((.cse3 (+ main_~i~0 2)) (.cse6 (+ .cse9 4))) (and (not .cse0) .cse1 .cse2 (<= .cse3 main_~len~0) (= .cse4 (select .cse5 .cse6)) (<= main_~len~0 .cse3) (= .cse7 (select .cse8 .cse6)))) (let ((.cse10 (+ main_~i~0 1))) (and .cse1 (<= .cse10 main_~len~0) .cse2 (<= main_~len~0 .cse10) (= .cse9 .cse4) .cse0))))))) [2020-10-29 09:27:05,867 INFO L274 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-10-29 09:27:05,867 INFO L270 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0)) [2020-10-29 09:27:05,868 INFO L270 CegarLoopResult]: At program point L619-2(lines 619 622) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse9 (select |#memory_$Pointer$.base| .cse11)) (.cse1 (select (select |#memory_$Pointer$.offset| |main_~#s~0.base|) |main_~#s~0.offset|))) (let ((.cse0 (+ main_~i~0 1)) (.cse6 (select |#memory_$Pointer$.offset| .cse11)) (.cse8 (select .cse9 .cse1))) (let ((.cse4 (= .cse8 .cse11)) (.cse2 (select .cse6 .cse1)) (.cse3 (let ((.cse10 (= main_~len~0 2))) (or (and .cse10 (= .cse11 0) (= .cse1 0)) (and .cse10 (<= .cse0 main_~len~0)))))) (or (and (<= main_~len~0 .cse0) (= .cse1 .cse2) .cse3 .cse4) (let ((.cse5 (+ main_~i~0 2)) (.cse7 (+ .cse1 4))) (and (not .cse4) (<= main_~len~0 2) (<= 2 main_~len~0) (<= .cse5 main_~len~0) (= .cse2 (select .cse6 .cse7)) (<= main_~len~0 .cse5) (= .cse8 (select .cse9 .cse7)))) (and (<= main_~len~0 main_~i~0) .cse3)))))) [2020-10-29 09:27:05,868 INFO L274 CegarLoopResult]: For program point L617-1(line 617) no Hoare annotation was computed. [2020-10-29 09:27:05,868 INFO L274 CegarLoopResult]: For program point L619-3(lines 619 622) no Hoare annotation was computed. [2020-10-29 09:27:05,868 INFO L274 CegarLoopResult]: For program point dll_circular_createEXIT(lines 585 600) no Hoare annotation was computed. [2020-10-29 09:27:05,868 INFO L274 CegarLoopResult]: For program point dll_circular_createFINAL(lines 585 600) no Hoare annotation was computed. [2020-10-29 09:27:05,868 INFO L274 CegarLoopResult]: For program point L591(lines 591 593) no Hoare annotation was computed. [2020-10-29 09:27:05,869 INFO L270 CegarLoopResult]: At program point L589(line 589) the Hoare annotation is: (let ((.cse1 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base)) (.cse0 (= (select |#valid| dll_circular_create_~last~0.base) 1))) (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset dll_circular_create_~last~0.offset) .cse0 .cse1) (and (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) (= (select |#valid| dll_circular_create_~new_head~0.base) 1) (not .cse1) (not (= dll_circular_create_~new_head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset))) (= (select |#valid| dll_circular_create_~head~0.base) 1) (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset))) (<= 3 |dll_circular_create_#in~len|) .cse0))) [2020-10-29 09:27:05,869 INFO L274 CegarLoopResult]: For program point L591-2(lines 591 593) no Hoare annotation was computed. [2020-10-29 09:27:05,869 INFO L274 CegarLoopResult]: For program point L589-1(line 589) no Hoare annotation was computed. [2020-10-29 09:27:05,869 INFO L270 CegarLoopResult]: At program point L586(line 586) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= dll_circular_create_~len |dll_circular_create_#in~len|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:05,869 INFO L270 CegarLoopResult]: At program point L588-2(lines 588 596) the Hoare annotation is: (let ((.cse2 (select (select |#memory_$Pointer$.base| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset)) (.cse1 (= dll_circular_create_~head~0.base dll_circular_create_~last~0.base))) (let ((.cse4 (= (select |#valid| dll_circular_create_~new_head~0.base) 1)) (.cse5 (not .cse1)) (.cse6 (not (= dll_circular_create_~new_head~0.base .cse2))) (.cse7 (= (select |#valid| dll_circular_create_~head~0.base) 1)) (.cse0 (= (select |#valid| dll_circular_create_~last~0.base) 1))) (or (and (= dll_circular_create_~len |dll_circular_create_#in~len|) (= dll_circular_create_~head~0.offset dll_circular_create_~last~0.offset) .cse0 .cse1) (let ((.cse3 (+ dll_circular_create_~head~0.offset 4))) (and (= (select (select |#memory_$Pointer$.offset| dll_circular_create_~new_head~0.base) dll_circular_create_~new_head~0.offset) dll_circular_create_~last~0.offset) (= .cse2 dll_circular_create_~last~0.base) (= (select (store (select (store |#memory_$Pointer$.base| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.base| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.base)) dll_circular_create_~head~0.base) .cse3 dll_circular_create_~last~0.base) dll_circular_create_~head~0.offset) dll_circular_create_~last~0.base) .cse4 .cse5 .cse6 (= (+ dll_circular_create_~len 1) |dll_circular_create_#in~len|) (= (select (store (select (store |#memory_$Pointer$.offset| dll_circular_create_~last~0.base (store (select |#memory_$Pointer$.offset| dll_circular_create_~last~0.base) dll_circular_create_~last~0.offset dll_circular_create_~head~0.offset)) dll_circular_create_~head~0.base) .cse3 dll_circular_create_~last~0.offset) dll_circular_create_~head~0.offset) dll_circular_create_~last~0.offset) (= dll_circular_create_~new_head~0.offset 0) .cse7 .cse0)) (and (not (= dll_circular_create_~new_head~0.base dll_circular_create_~last~0.base)) .cse4 .cse5 .cse6 .cse7 (not (= dll_circular_create_~head~0.base (select (select |#memory_$Pointer$.base| dll_circular_create_~head~0.base) dll_circular_create_~head~0.offset))) (<= 3 |dll_circular_create_#in~len|) .cse0)))) [2020-10-29 09:27:05,869 INFO L274 CegarLoopResult]: For program point L586-1(line 586) no Hoare annotation was computed. [2020-10-29 09:27:05,869 INFO L274 CegarLoopResult]: For program point L588-3(lines 588 596) no Hoare annotation was computed. [2020-10-29 09:27:05,870 INFO L270 CegarLoopResult]: At program point dll_circular_createENTRY(lines 585 600) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:05,870 INFO L274 CegarLoopResult]: For program point L577(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:27:05,870 INFO L274 CegarLoopResult]: For program point L577-1(lines 577 579) no Hoare annotation was computed. [2020-10-29 09:27:05,870 INFO L270 CegarLoopResult]: At program point node_createENTRY(lines 575 584) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-10-29 09:27:05,870 INFO L274 CegarLoopResult]: For program point node_createFINAL(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:27:05,870 INFO L274 CegarLoopResult]: For program point node_createEXIT(lines 575 584) no Hoare annotation was computed. [2020-10-29 09:27:05,870 INFO L277 CegarLoopResult]: At program point L578(line 578) the Hoare annotation is: true [2020-10-29 09:27:05,888 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,889 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,890 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,891 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,892 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,893 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,896 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,897 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,899 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,900 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,901 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,902 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,903 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,904 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,910 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,911 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,914 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,915 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,916 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,926 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,927 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,928 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,940 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,944 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,949 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,950 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,952 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:05,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,953 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:05,953 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,954 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,955 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:05,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 09:27:05 BoogieIcfgContainer [2020-10-29 09:27:05,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-29 09:27:05,962 INFO L168 Benchmark]: Toolchain (without parser) took 35296.18 ms. Allocated memory was 173.0 MB in the beginning and 727.7 MB in the end (delta: 554.7 MB). Free memory was 147.1 MB in the beginning and 445.2 MB in the end (delta: -298.1 MB). Peak memory consumption was 258.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:05,963 INFO L168 Benchmark]: CDTParser took 0.70 ms. Allocated memory is still 173.0 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-29 09:27:05,964 INFO L168 Benchmark]: CACSL2BoogieTranslator took 591.47 ms. Allocated memory is still 173.0 MB. Free memory was 146.4 MB in the beginning and 124.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:05,965 INFO L168 Benchmark]: Boogie Preprocessor took 105.66 ms. Allocated memory is still 173.0 MB. Free memory was 124.1 MB in the beginning and 155.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:05,968 INFO L168 Benchmark]: RCFGBuilder took 884.53 ms. Allocated memory is still 173.0 MB. Free memory was 154.9 MB in the beginning and 109.3 MB in the end (delta: 45.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:05,970 INFO L168 Benchmark]: TraceAbstraction took 33701.48 ms. Allocated memory was 173.0 MB in the beginning and 727.7 MB in the end (delta: 554.7 MB). Free memory was 108.8 MB in the beginning and 445.2 MB in the end (delta: -336.4 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. [2020-10-29 09:27:05,982 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.70 ms. Allocated memory is still 173.0 MB. Free memory is still 145.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 591.47 ms. Allocated memory is still 173.0 MB. Free memory was 146.4 MB in the beginning and 124.1 MB in the end (delta: 22.4 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 105.66 ms. Allocated memory is still 173.0 MB. Free memory was 124.1 MB in the beginning and 155.1 MB in the end (delta: -31.0 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 884.53 ms. Allocated memory is still 173.0 MB. Free memory was 154.9 MB in the beginning and 109.3 MB in the end (delta: 45.6 MB). Peak memory consumption was 46.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 33701.48 ms. Allocated memory was 173.0 MB in the beginning and 727.7 MB in the end (delta: 554.7 MB). Free memory was 108.8 MB in the beginning and 445.2 MB in the end (delta: -336.4 MB). Peak memory consumption was 218.8 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 614]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 573]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 619]: Loop Invariant [2020-10-29 09:27:06,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,003 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,004 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,006 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,007 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,008 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,016 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,017 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,017 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,018 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,019 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,020 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,021 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,023 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,024 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,025 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,026 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,027 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,028 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,029 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,029 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,030 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,031 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,032 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,034 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,035 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,036 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len <= i + 1 && #memory_$Pointer$[s][s] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]]) && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[s][s]) || ((((((!(#memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[s][s]) && len <= 2) && 2 <= len) && i + 2 <= len) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4]) && len <= i + 2) && #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s]] == #memory_$Pointer$[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + 4])) || (len <= i && (((len == 2 && #memory_$Pointer$[s][s] == 0) && #memory_$Pointer$[s][s] == 0) || (len == 2 && i + 1 <= len))) - InvariantResult [Line: 588]: Loop Invariant [2020-10-29 09:27:06,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,037 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,038 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,039 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,039 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,040 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,042 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,043 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-10-29 09:27:06,046 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,047 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-10-29 09:27:06,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,047 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-10-29 09:27:06,048 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len == \old(len) && head == last) && \valid[last] == 1) && head == last) || ((((((((((#memory_$Pointer$[new_head][new_head] == last && #memory_$Pointer$[new_head][new_head] == last) && #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head] == last) && \valid[new_head] == 1) && !(head == last)) && !(new_head == #memory_$Pointer$[new_head][new_head])) && len + 1 == \old(len)) && #memory_$Pointer$[last := #memory_$Pointer$[last][last := head]][head][head + 4 := last][head] == last) && new_head == 0) && \valid[head] == 1) && \valid[last] == 1)) || (((((((!(new_head == last) && \valid[new_head] == 1) && !(head == last)) && !(new_head == #memory_$Pointer$[new_head][new_head])) && \valid[head] == 1) && !(head == #memory_$Pointer$[head][head])) && 3 <= \old(len)) && \valid[last] == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 10 procedures, 54 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 32.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 4.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 299 SDtfs, 195 SDslu, 1574 SDs, 0 SdLazy, 1945 SolverSat, 216 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 232 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 242 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 15 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 40 PreInvPairs, 54 NumberOfFragments, 678 HoareAnnotationTreeSize, 40 FomulaSimplifications, 802 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 18 FomulaSimplificationsInter, 395 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 27.4s InterpolantComputationTime, 432 NumberOfCodeBlocks, 432 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 423 ConstructedInterpolants, 0 QuantifiedInterpolants, 170635 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 109/150 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...