/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 17:29:06,742 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 17:29:06,744 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 17:29:06,762 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 17:29:06,762 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 17:29:06,763 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 17:29:06,765 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 17:29:06,766 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 17:29:06,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 17:29:06,769 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 17:29:06,770 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 17:29:06,771 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 17:29:06,771 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 17:29:06,772 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 17:29:06,773 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 17:29:06,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 17:29:06,775 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 17:29:06,776 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 17:29:06,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 17:29:06,780 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 17:29:06,781 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 17:29:06,782 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 17:29:06,784 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 17:29:06,784 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 17:29:06,787 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 17:29:06,787 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 17:29:06,788 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 17:29:06,788 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 17:29:06,789 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 17:29:06,790 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 17:29:06,790 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 17:29:06,791 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 17:29:06,792 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 17:29:06,792 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 17:29:06,793 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 17:29:06,794 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 17:29:06,794 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 17:29:06,794 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 17:29:06,795 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 17:29:06,796 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 17:29:06,796 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 17:29:06,797 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-17 17:29:06,807 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 17:29:06,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 17:29:06,808 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 17:29:06,808 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 17:29:06,809 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 17:29:06,809 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 17:29:06,809 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 17:29:06,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 17:29:06,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 17:29:06,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 17:29:06,810 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 17:29:06,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 17:29:06,810 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 17:29:06,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 17:29:06,811 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 17:29:06,811 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-17 17:29:06,811 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 17:29:06,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 17:29:06,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:29:06,811 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 17:29:06,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-17 17:29:06,812 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 17:29:06,812 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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: Use separate solver for trace checks -> true [2020-07-17 17:29:07,080 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 17:29:07,098 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 17:29:07,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 17:29:07,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 17:29:07,103 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 17:29:07,104 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-17 17:29:07,164 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8b42e87/1487e21575334a048d7baffabe4cdc7f/FLAG3a8ac6fbf [2020-07-17 17:29:07,688 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 17:29:07,689 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-17 17:29:07,707 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8b42e87/1487e21575334a048d7baffabe4cdc7f/FLAG3a8ac6fbf [2020-07-17 17:29:08,006 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df8b42e87/1487e21575334a048d7baffabe4cdc7f [2020-07-17 17:29:08,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 17:29:08,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 17:29:08,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 17:29:08,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 17:29:08,022 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 17:29:08,023 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c3213f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08, skipping insertion in model container [2020-07-17 17:29:08,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,033 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 17:29:08,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 17:29:08,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:29:08,532 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 17:29:08,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 17:29:08,633 INFO L208 MainTranslator]: Completed translation [2020-07-17 17:29:08,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08 WrapperNode [2020-07-17 17:29:08,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 17:29:08,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 17:29:08,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 17:29:08,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 17:29:08,650 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,693 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... [2020-07-17 17:29:08,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 17:29:08,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 17:29:08,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 17:29:08,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 17:29:08,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 17:29:08,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-17 17:29:08,768 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-17 17:29:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-17 17:29:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-17 17:29:08,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 17:29:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 17:29:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-17 17:29:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-17 17:29:08,769 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-17 17:29:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-17 17:29:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-17 17:29:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-17 17:29:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-17 17:29:08,770 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-17 17:29:08,771 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-17 17:29:08,772 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-17 17:29:08,773 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-17 17:29:08,774 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-17 17:29:08,775 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-17 17:29:08,776 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-17 17:29:08,777 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-17 17:29:08,778 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-17 17:29:08,779 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-17 17:29:08,780 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-17 17:29:08,781 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-17 17:29:08,782 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-17 17:29:08,783 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-17 17:29:08,784 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-17 17:29:08,785 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-17 17:29:08,786 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-17 17:29:08,787 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 17:29:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 17:29:08,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 17:29:09,162 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-17 17:29:09,327 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 17:29:09,327 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-17 17:29:09,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:29:09 BoogieIcfgContainer [2020-07-17 17:29:09,332 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 17:29:09,333 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 17:29:09,334 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 17:29:09,337 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 17:29:09,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 05:29:08" (1/3) ... [2020-07-17 17:29:09,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b62216c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:29:09, skipping insertion in model container [2020-07-17 17:29:09,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 05:29:08" (2/3) ... [2020-07-17 17:29:09,339 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b62216c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 05:29:09, skipping insertion in model container [2020-07-17 17:29:09,339 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 05:29:09" (3/3) ... [2020-07-17 17:29:09,341 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-17 17:29:09,352 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-17 17:29:09,359 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 17:29:09,374 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 17:29:09,397 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 17:29:09,398 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 17:29:09,398 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-17 17:29:09,398 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 17:29:09,399 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 17:29:09,399 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 17:29:09,399 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 17:29:09,399 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 17:29:09,417 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states. [2020-07-17 17:29:09,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 17:29:09,430 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:09,432 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:09,432 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:09,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:09,439 INFO L82 PathProgramCache]: Analyzing trace with hash 482514570, now seen corresponding path program 1 times [2020-07-17 17:29:09,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:09,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175846250] [2020-07-17 17:29:09,450 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:09,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:09,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:09,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:29:09,743 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175846250] [2020-07-17 17:29:09,746 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:09,746 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 17:29:09,747 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878489876] [2020-07-17 17:29:09,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 17:29:09,754 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:09,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 17:29:09,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-17 17:29:09,773 INFO L87 Difference]: Start difference. First operand 103 states. Second operand 4 states. [2020-07-17 17:29:10,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:10,228 INFO L93 Difference]: Finished difference Result 230 states and 285 transitions. [2020-07-17 17:29:10,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-17 17:29:10,230 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2020-07-17 17:29:10,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:10,244 INFO L225 Difference]: With dead ends: 230 [2020-07-17 17:29:10,245 INFO L226 Difference]: Without dead ends: 128 [2020-07-17 17:29:10,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-17 17:29:10,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-17 17:29:10,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 84. [2020-07-17 17:29:10,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-07-17 17:29:10,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 88 transitions. [2020-07-17 17:29:10,315 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 88 transitions. Word has length 38 [2020-07-17 17:29:10,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:10,316 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 88 transitions. [2020-07-17 17:29:10,316 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 17:29:10,316 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 88 transitions. [2020-07-17 17:29:10,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-07-17 17:29:10,318 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:10,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:10,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 17:29:10,319 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:10,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:10,320 INFO L82 PathProgramCache]: Analyzing trace with hash -613399993, now seen corresponding path program 1 times [2020-07-17 17:29:10,320 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:10,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1486665349] [2020-07-17 17:29:10,321 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:10,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:10,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:10,531 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 17:29:10,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1486665349] [2020-07-17 17:29:10,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:10,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-17 17:29:10,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740317896] [2020-07-17 17:29:10,540 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 17:29:10,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:10,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 17:29:10,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-17 17:29:10,543 INFO L87 Difference]: Start difference. First operand 84 states and 88 transitions. Second operand 6 states. [2020-07-17 17:29:11,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:11,041 INFO L93 Difference]: Finished difference Result 171 states and 187 transitions. [2020-07-17 17:29:11,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 17:29:11,042 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 38 [2020-07-17 17:29:11,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:11,045 INFO L225 Difference]: With dead ends: 171 [2020-07-17 17:29:11,045 INFO L226 Difference]: Without dead ends: 144 [2020-07-17 17:29:11,047 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:29:11,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-07-17 17:29:11,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 85. [2020-07-17 17:29:11,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-17 17:29:11,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 89 transitions. [2020-07-17 17:29:11,068 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 89 transitions. Word has length 38 [2020-07-17 17:29:11,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:11,069 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 89 transitions. [2020-07-17 17:29:11,069 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 17:29:11,069 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 89 transitions. [2020-07-17 17:29:11,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 17:29:11,071 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:11,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:11,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 17:29:11,072 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:11,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:11,072 INFO L82 PathProgramCache]: Analyzing trace with hash -841200203, now seen corresponding path program 1 times [2020-07-17 17:29:11,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:11,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [313222172] [2020-07-17 17:29:11,073 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:11,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,257 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 17:29:11,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [313222172] [2020-07-17 17:29:11,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:11,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 17:29:11,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400187715] [2020-07-17 17:29:11,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 17:29:11,261 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:11,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 17:29:11,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-17 17:29:11,262 INFO L87 Difference]: Start difference. First operand 85 states and 89 transitions. Second operand 8 states. [2020-07-17 17:29:11,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:11,617 INFO L93 Difference]: Finished difference Result 147 states and 156 transitions. [2020-07-17 17:29:11,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 17:29:11,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-17 17:29:11,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:11,620 INFO L225 Difference]: With dead ends: 147 [2020-07-17 17:29:11,620 INFO L226 Difference]: Without dead ends: 93 [2020-07-17 17:29:11,621 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2020-07-17 17:29:11,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-07-17 17:29:11,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 86. [2020-07-17 17:29:11,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-17 17:29:11,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 90 transitions. [2020-07-17 17:29:11,636 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 90 transitions. Word has length 51 [2020-07-17 17:29:11,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:11,637 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 90 transitions. [2020-07-17 17:29:11,637 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 17:29:11,637 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 90 transitions. [2020-07-17 17:29:11,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-07-17 17:29:11,639 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:11,639 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:11,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 17:29:11,640 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:11,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:11,640 INFO L82 PathProgramCache]: Analyzing trace with hash 1957255427, now seen corresponding path program 1 times [2020-07-17 17:29:11,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:11,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257398232] [2020-07-17 17:29:11,641 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:11,822 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-17 17:29:11,822 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257398232] [2020-07-17 17:29:11,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:11,823 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-07-17 17:29:11,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367831469] [2020-07-17 17:29:11,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 17:29:11,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:11,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 17:29:11,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-17 17:29:11,825 INFO L87 Difference]: Start difference. First operand 86 states and 90 transitions. Second operand 10 states. [2020-07-17 17:29:12,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:12,238 INFO L93 Difference]: Finished difference Result 156 states and 166 transitions. [2020-07-17 17:29:12,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-07-17 17:29:12,239 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 69 [2020-07-17 17:29:12,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:12,241 INFO L225 Difference]: With dead ends: 156 [2020-07-17 17:29:12,241 INFO L226 Difference]: Without dead ends: 102 [2020-07-17 17:29:12,246 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=187, Unknown=0, NotChecked=0, Total=240 [2020-07-17 17:29:12,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-07-17 17:29:12,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 95. [2020-07-17 17:29:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-07-17 17:29:12,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 100 transitions. [2020-07-17 17:29:12,270 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 100 transitions. Word has length 69 [2020-07-17 17:29:12,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:12,270 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 100 transitions. [2020-07-17 17:29:12,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 17:29:12,271 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 100 transitions. [2020-07-17 17:29:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-07-17 17:29:12,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:12,277 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:12,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 17:29:12,278 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:12,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:12,281 INFO L82 PathProgramCache]: Analyzing trace with hash -564957999, now seen corresponding path program 2 times [2020-07-17 17:29:12,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:12,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634035621] [2020-07-17 17:29:12,282 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:12,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:12,547 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-07-17 17:29:12,547 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634035621] [2020-07-17 17:29:12,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:12,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 17:29:12,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433561469] [2020-07-17 17:29:12,550 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 17:29:12,551 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:12,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 17:29:12,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 17:29:12,551 INFO L87 Difference]: Start difference. First operand 95 states and 100 transitions. Second operand 9 states. [2020-07-17 17:29:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:12,973 INFO L93 Difference]: Finished difference Result 165 states and 177 transitions. [2020-07-17 17:29:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:29:12,974 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-07-17 17:29:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:12,976 INFO L225 Difference]: With dead ends: 165 [2020-07-17 17:29:12,976 INFO L226 Difference]: Without dead ends: 119 [2020-07-17 17:29:12,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:29:12,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-17 17:29:13,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 101. [2020-07-17 17:29:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-07-17 17:29:13,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2020-07-17 17:29:13,008 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 87 [2020-07-17 17:29:13,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:13,011 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2020-07-17 17:29:13,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 17:29:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2020-07-17 17:29:13,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-17 17:29:13,015 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:13,015 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:13,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 17:29:13,016 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:13,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:13,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1526680859, now seen corresponding path program 1 times [2020-07-17 17:29:13,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:13,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1233552292] [2020-07-17 17:29:13,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,194 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-07-17 17:29:13,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1233552292] [2020-07-17 17:29:13,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:13,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-07-17 17:29:13,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213557878] [2020-07-17 17:29:13,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 17:29:13,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:13,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 17:29:13,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 17:29:13,196 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand 9 states. [2020-07-17 17:29:13,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:13,553 INFO L93 Difference]: Finished difference Result 143 states and 153 transitions. [2020-07-17 17:29:13,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-17 17:29:13,554 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2020-07-17 17:29:13,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:13,556 INFO L225 Difference]: With dead ends: 143 [2020-07-17 17:29:13,556 INFO L226 Difference]: Without dead ends: 116 [2020-07-17 17:29:13,557 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=54, Invalid=156, Unknown=0, NotChecked=0, Total=210 [2020-07-17 17:29:13,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-17 17:29:13,585 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 105. [2020-07-17 17:29:13,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-07-17 17:29:13,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 112 transitions. [2020-07-17 17:29:13,587 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 112 transitions. Word has length 94 [2020-07-17 17:29:13,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:13,588 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 112 transitions. [2020-07-17 17:29:13,588 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 17:29:13,588 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 112 transitions. [2020-07-17 17:29:13,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-07-17 17:29:13,596 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:13,596 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:13,599 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 17:29:13,600 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:13,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:13,600 INFO L82 PathProgramCache]: Analyzing trace with hash 70810465, now seen corresponding path program 2 times [2020-07-17 17:29:13,601 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:13,601 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568452376] [2020-07-17 17:29:13,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-17 17:29:13,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568452376] [2020-07-17 17:29:13,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:13,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 17:29:13,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724277653] [2020-07-17 17:29:13,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 17:29:13,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:13,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 17:29:13,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2020-07-17 17:29:13,795 INFO L87 Difference]: Start difference. First operand 105 states and 112 transitions. Second operand 9 states. [2020-07-17 17:29:14,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:14,177 INFO L93 Difference]: Finished difference Result 153 states and 164 transitions. [2020-07-17 17:29:14,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-17 17:29:14,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 107 [2020-07-17 17:29:14,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:14,180 INFO L225 Difference]: With dead ends: 153 [2020-07-17 17:29:14,180 INFO L226 Difference]: Without dead ends: 127 [2020-07-17 17:29:14,180 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-07-17 17:29:14,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-07-17 17:29:14,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 114. [2020-07-17 17:29:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-17 17:29:14,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 123 transitions. [2020-07-17 17:29:14,194 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 123 transitions. Word has length 107 [2020-07-17 17:29:14,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:14,195 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 123 transitions. [2020-07-17 17:29:14,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 17:29:14,195 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 123 transitions. [2020-07-17 17:29:14,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2020-07-17 17:29:14,196 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:14,197 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:14,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 17:29:14,197 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:14,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:14,198 INFO L82 PathProgramCache]: Analyzing trace with hash -1090353339, now seen corresponding path program 1 times [2020-07-17 17:29:14,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:14,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1929174846] [2020-07-17 17:29:14,198 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:14,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:14,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:15,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:15,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:15,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:16,009 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 4 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-17 17:29:16,010 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1929174846] [2020-07-17 17:29:16,010 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:16,010 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-07-17 17:29:16,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418580942] [2020-07-17 17:29:16,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-07-17 17:29:16,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:16,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-07-17 17:29:16,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1550, Unknown=0, NotChecked=0, Total=1640 [2020-07-17 17:29:16,027 INFO L87 Difference]: Start difference. First operand 114 states and 123 transitions. Second operand 41 states. [2020-07-17 17:29:20,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:20,888 INFO L93 Difference]: Finished difference Result 214 states and 246 transitions. [2020-07-17 17:29:20,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-07-17 17:29:20,888 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 114 [2020-07-17 17:29:20,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:20,892 INFO L225 Difference]: With dead ends: 214 [2020-07-17 17:29:20,893 INFO L226 Difference]: Without dead ends: 211 [2020-07-17 17:29:20,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 967 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=411, Invalid=5751, Unknown=0, NotChecked=0, Total=6162 [2020-07-17 17:29:20,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-07-17 17:29:20,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 152. [2020-07-17 17:29:20,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-07-17 17:29:20,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 171 transitions. [2020-07-17 17:29:20,942 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 171 transitions. Word has length 114 [2020-07-17 17:29:20,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:20,943 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 171 transitions. [2020-07-17 17:29:20,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-07-17 17:29:20,943 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 171 transitions. [2020-07-17 17:29:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-17 17:29:20,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:20,945 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:20,945 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 17:29:20,946 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:20,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:20,946 INFO L82 PathProgramCache]: Analyzing trace with hash 1584534241, now seen corresponding path program 2 times [2020-07-17 17:29:20,946 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:20,947 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545689121] [2020-07-17 17:29:20,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,156 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-07-17 17:29:21,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545689121] [2020-07-17 17:29:21,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:21,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:29:21,162 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39327401] [2020-07-17 17:29:21,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:29:21,163 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:21,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:29:21,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:29:21,165 INFO L87 Difference]: Start difference. First operand 152 states and 171 transitions. Second operand 11 states. [2020-07-17 17:29:21,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:21,829 INFO L93 Difference]: Finished difference Result 204 states and 226 transitions. [2020-07-17 17:29:21,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 17:29:21,829 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-17 17:29:21,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:21,831 INFO L225 Difference]: With dead ends: 204 [2020-07-17 17:29:21,831 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 17:29:21,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:29:21,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 17:29:21,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 147. [2020-07-17 17:29:21,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-17 17:29:21,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 164 transitions. [2020-07-17 17:29:21,856 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 164 transitions. Word has length 121 [2020-07-17 17:29:21,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:21,856 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 164 transitions. [2020-07-17 17:29:21,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:29:21,856 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 164 transitions. [2020-07-17 17:29:21,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-17 17:29:21,858 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:21,858 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:21,858 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 17:29:21,858 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:21,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:21,859 INFO L82 PathProgramCache]: Analyzing trace with hash -1457945893, now seen corresponding path program 3 times [2020-07-17 17:29:21,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:21,859 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [529983990] [2020-07-17 17:29:21,859 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,077 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 21 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-17 17:29:22,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [529983990] [2020-07-17 17:29:22,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:22,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:29:22,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [549369984] [2020-07-17 17:29:22,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:29:22,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:22,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:29:22,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:29:22,080 INFO L87 Difference]: Start difference. First operand 147 states and 164 transitions. Second operand 11 states. [2020-07-17 17:29:22,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:22,696 INFO L93 Difference]: Finished difference Result 231 states and 256 transitions. [2020-07-17 17:29:22,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-17 17:29:22,697 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-17 17:29:22,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:22,699 INFO L225 Difference]: With dead ends: 231 [2020-07-17 17:29:22,699 INFO L226 Difference]: Without dead ends: 155 [2020-07-17 17:29:22,700 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=368, Unknown=0, NotChecked=0, Total=462 [2020-07-17 17:29:22,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-17 17:29:22,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 147. [2020-07-17 17:29:22,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2020-07-17 17:29:22,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 160 transitions. [2020-07-17 17:29:22,727 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 160 transitions. Word has length 121 [2020-07-17 17:29:22,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:22,727 INFO L479 AbstractCegarLoop]: Abstraction has 147 states and 160 transitions. [2020-07-17 17:29:22,728 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:29:22,728 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 160 transitions. [2020-07-17 17:29:22,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2020-07-17 17:29:22,729 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:22,729 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:22,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 17:29:22,730 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:22,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:22,730 INFO L82 PathProgramCache]: Analyzing trace with hash 844548283, now seen corresponding path program 4 times [2020-07-17 17:29:22,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:22,731 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354756877] [2020-07-17 17:29:22,731 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:22,919 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 4 proven. 15 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-17 17:29:22,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354756877] [2020-07-17 17:29:22,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:22,920 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:29:22,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1738453397] [2020-07-17 17:29:22,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:29:22,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:22,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:29:22,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:29:22,922 INFO L87 Difference]: Start difference. First operand 147 states and 160 transitions. Second operand 11 states. [2020-07-17 17:29:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:23,494 INFO L93 Difference]: Finished difference Result 216 states and 232 transitions. [2020-07-17 17:29:23,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 17:29:23,495 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 121 [2020-07-17 17:29:23,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:23,496 INFO L225 Difference]: With dead ends: 216 [2020-07-17 17:29:23,496 INFO L226 Difference]: Without dead ends: 126 [2020-07-17 17:29:23,498 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=395, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:29:23,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-07-17 17:29:23,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2020-07-17 17:29:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-07-17 17:29:23,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2020-07-17 17:29:23,523 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 121 [2020-07-17 17:29:23,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:23,523 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2020-07-17 17:29:23,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:29:23,523 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2020-07-17 17:29:23,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2020-07-17 17:29:23,526 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:23,526 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:23,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-17 17:29:23,526 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:23,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:23,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1726344460, now seen corresponding path program 1 times [2020-07-17 17:29:23,527 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:23,528 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1208107290] [2020-07-17 17:29:23,528 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:23,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-17 17:29:24,038 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1208107290] [2020-07-17 17:29:24,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:24,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-07-17 17:29:24,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009628471] [2020-07-17 17:29:24,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-17 17:29:24,040 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:24,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-17 17:29:24,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=457, Unknown=0, NotChecked=0, Total=506 [2020-07-17 17:29:24,040 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand 23 states. [2020-07-17 17:29:26,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:26,197 INFO L93 Difference]: Finished difference Result 166 states and 179 transitions. [2020-07-17 17:29:26,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-07-17 17:29:26,198 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 131 [2020-07-17 17:29:26,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:26,200 INFO L225 Difference]: With dead ends: 166 [2020-07-17 17:29:26,200 INFO L226 Difference]: Without dead ends: 155 [2020-07-17 17:29:26,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=326, Invalid=2326, Unknown=0, NotChecked=0, Total=2652 [2020-07-17 17:29:26,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-07-17 17:29:26,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 143. [2020-07-17 17:29:26,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-07-17 17:29:26,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 155 transitions. [2020-07-17 17:29:26,225 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 155 transitions. Word has length 131 [2020-07-17 17:29:26,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:26,226 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 155 transitions. [2020-07-17 17:29:26,226 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-17 17:29:26,226 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 155 transitions. [2020-07-17 17:29:26,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2020-07-17 17:29:26,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:26,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:26,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-17 17:29:26,228 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:26,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:26,229 INFO L82 PathProgramCache]: Analyzing trace with hash -1832528814, now seen corresponding path program 2 times [2020-07-17 17:29:26,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:26,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1243211302] [2020-07-17 17:29:26,229 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:26,414 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 20 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-17 17:29:26,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1243211302] [2020-07-17 17:29:26,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-17 17:29:26,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-07-17 17:29:26,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772803816] [2020-07-17 17:29:26,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:29:26,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:26,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:29:26,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:29:26,417 INFO L87 Difference]: Start difference. First operand 143 states and 155 transitions. Second operand 11 states. [2020-07-17 17:29:26,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:26,940 INFO L93 Difference]: Finished difference Result 187 states and 202 transitions. [2020-07-17 17:29:26,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 17:29:26,940 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 138 [2020-07-17 17:29:26,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:26,942 INFO L225 Difference]: With dead ends: 187 [2020-07-17 17:29:26,942 INFO L226 Difference]: Without dead ends: 131 [2020-07-17 17:29:26,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=82, Invalid=298, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:29:26,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-07-17 17:29:26,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2020-07-17 17:29:26,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-07-17 17:29:26,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 138 transitions. [2020-07-17 17:29:26,964 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 138 transitions. Word has length 138 [2020-07-17 17:29:26,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:26,964 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 138 transitions. [2020-07-17 17:29:26,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:29:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 138 transitions. [2020-07-17 17:29:26,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-07-17 17:29:26,971 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 17:29:26,971 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 17:29:26,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-17 17:29:26,972 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 17:29:26,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 17:29:26,972 INFO L82 PathProgramCache]: Analyzing trace with hash -446465243, now seen corresponding path program 3 times [2020-07-17 17:29:26,972 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-17 17:29:26,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2096858831] [2020-07-17 17:29:26,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 17:29:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 17:29:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2020-07-17 17:29:27,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2096858831] [2020-07-17 17:29:27,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 17:29:27,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-17 17:29:27,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470183117] [2020-07-17 17:29:27,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-17 17:29:27,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-17 17:29:27,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-17 17:29:27,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-07-17 17:29:27,200 INFO L87 Difference]: Start difference. First operand 131 states and 138 transitions. Second operand 11 states. [2020-07-17 17:29:27,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 17:29:27,708 INFO L93 Difference]: Finished difference Result 156 states and 162 transitions. [2020-07-17 17:29:27,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 17:29:27,709 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 148 [2020-07-17 17:29:27,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 17:29:27,709 INFO L225 Difference]: With dead ends: 156 [2020-07-17 17:29:27,709 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 17:29:27,710 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=94, Invalid=286, Unknown=0, NotChecked=0, Total=380 [2020-07-17 17:29:27,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 17:29:27,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 17:29:27,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 17:29:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 17:29:27,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 148 [2020-07-17 17:29:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 17:29:27,711 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 17:29:27,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-17 17:29:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 17:29:27,712 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 17:29:27,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-17 17:29:27,715 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 17:29:29,330 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 44 [2020-07-17 17:29:29,763 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-07-17 17:29:29,873 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 46 [2020-07-17 17:29:30,052 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-07-17 17:29:30,188 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2020-07-17 17:29:30,465 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-07-17 17:29:30,643 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2020-07-17 17:29:30,859 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 48 [2020-07-17 17:29:31,139 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 49 [2020-07-17 17:29:31,276 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 47 [2020-07-17 17:29:31,417 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 46 [2020-07-17 17:29:31,554 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2020-07-17 17:29:31,881 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 47 [2020-07-17 17:29:31,999 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 44 [2020-07-17 17:29:32,183 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-07-17 17:29:32,382 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 37 [2020-07-17 17:29:32,563 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 54 [2020-07-17 17:29:32,887 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 36 [2020-07-17 17:29:32,993 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2020-07-17 17:29:33,681 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 66 [2020-07-17 17:29:33,841 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 32 [2020-07-17 17:29:33,999 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2020-07-17 17:29:34,219 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 54 [2020-07-17 17:29:34,455 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 48 [2020-07-17 17:29:34,852 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 50 [2020-07-17 17:29:34,858 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 17:29:34,858 INFO L271 CegarLoopResult]: At program point L-1-1(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,858 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,858 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |old(#NULL.base)| |#NULL.base|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-07-17 17:29:34,858 INFO L271 CegarLoopResult]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,858 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-17 17:29:34,858 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point L584-1(line 584) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point L583-1(line 583) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point sll_destroyEXIT(lines 581 587) the Hoare annotation is: true [2020-07-17 17:29:34,859 INFO L271 CegarLoopResult]: At program point L583-2(line 583) the Hoare annotation is: true [2020-07-17 17:29:34,860 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-17 17:29:34,860 INFO L264 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-17 17:29:34,860 INFO L271 CegarLoopResult]: At program point L582-3(lines 581 587) the Hoare annotation is: true [2020-07-17 17:29:34,860 INFO L264 CegarLoopResult]: At program point L598(line 598) the Hoare annotation is: (and (<= 1 |sll_update_at_#in~index|) (= |#memory_int| |old(#memory_int)|) (or (and (let ((.cse0 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse0 |sll_update_at_#in~head.base|) (<= 1 |sll_update_at_#in~head.offset|) (and (= .cse0 sll_update_at_~head.base) (= sll_update_at_~data |sll_update_at_#in~data|) (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (<= (+ |sll_update_at_#in~head.offset| 1) 0))) (= |sll_update_at_#in~index| sll_update_at_~index)) (and (<= 2 |sll_update_at_#in~index|) (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,861 INFO L264 CegarLoopResult]: At program point L597(line 597) the Hoare annotation is: (and (let ((.cse0 (= |#memory_int| |old(#memory_int)|)) (.cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (<= 1 |sll_update_at_#in~index|) (= |sll_update_at_#in~index| sll_update_at_~index) .cse0 (= sll_update_at_~data |sll_update_at_#in~data|) .cse1) (and .cse0 .cse1 (<= 2 |sll_update_at_#in~index|) (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,861 INFO L264 CegarLoopResult]: At program point L598-1(line 598) the Hoare annotation is: (and (let ((.cse1 (<= |sll_update_at_#t~post10| |sll_update_at_#in~index|))) (or (and (let ((.cse0 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse0 |sll_update_at_#in~head.base|) (<= 1 |sll_update_at_#in~head.offset|) (and (= .cse0 sll_update_at_~head.base) (= sll_update_at_~data |sll_update_at_#in~data|) (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (<= (+ |sll_update_at_#in~head.offset| 1) 0))) (<= 1 |sll_update_at_#in~index|) (= |sll_update_at_#in~index| sll_update_at_~index) .cse1) (and .cse1 (<= 2 |sll_update_at_#in~index|) (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)))) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,862 INFO L264 CegarLoopResult]: At program point sll_update_atFINAL(lines 595 601) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|)) (.cse4 (select |old(#memory_$Pointer$.base)| |sll_update_at_#in~head.base|))) (let ((.cse2 (select .cse4 4)) (.cse3 (select .cse5 4)) (.cse0 (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (and (or (<= 1 |sll_update_at_#in~index|) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (or (= 4 |sll_update_at_#in~head.offset|) (let ((.cse1 (@diff |old(#memory_int)| |#memory_int|))) (and (= (select (select |old(#memory_$Pointer$.offset)| |sll_update_at_#in~head.base|) 4) .cse0) (or (= |sll_update_at_#in~head.base| .cse1) (= |#memory_int| |old(#memory_int)|)) (= (store |old(#memory_int)| .cse1 (select |#memory_int| .cse1)) |#memory_int|) (= .cse2 .cse3)))) (= |sll_update_at_#in~index| sll_update_at_~index) (= |sll_update_at_#in~data| (select (select |#memory_int| |sll_update_at_#in~head.base|) |sll_update_at_#in~head.offset|)) (= sll_update_at_~data |sll_update_at_#in~data|))) (let ((.cse6 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (or (= .cse2 |sll_update_at_#in~head.base|) (and (= |sll_update_at_#in~data| (select (select |#memory_int| .cse3) .cse0)) (= .cse4 .cse5)) (<= 1 |sll_update_at_#in~head.offset|) (<= (+ |sll_update_at_#in~head.offset| 1) 0)) .cse6) (<= |sll_update_at_#in~index| 0) (and (<= 2 |sll_update_at_#in~index|) .cse6)))))) [2020-07-17 17:29:34,862 INFO L264 CegarLoopResult]: At program point L597-1(line 597) the Hoare annotation is: (and (or (and (or (<= 1 |sll_update_at_#in~head.offset|) (and (= |sll_update_at_#t~mem9.offset| (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4)) (= (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4) |sll_update_at_#t~mem9.base|)) (<= (+ |sll_update_at_#in~head.offset| 1) 0)) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) (= sll_update_at_~data |sll_update_at_#in~data|)) (and (<= 2 |sll_update_at_#in~index|) (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (<= 1 |sll_update_at_#in~index|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,862 INFO L264 CegarLoopResult]: At program point L598-2(line 598) the Hoare annotation is: (and (let ((.cse0 (<= |sll_update_at_#t~post10| |sll_update_at_#in~index|)) (.cse1 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and .cse0 (<= 2 |sll_update_at_#in~index|) .cse1) (and (let ((.cse2 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse2 |sll_update_at_#in~head.base|) (<= 1 |sll_update_at_#in~head.offset|) (and (= .cse2 sll_update_at_~head.base) (= sll_update_at_~data |sll_update_at_#in~data|) (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (<= (+ |sll_update_at_#in~head.offset| 1) 0))) .cse0 .cse1))) (<= 1 |sll_update_at_#in~index|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,862 INFO L264 CegarLoopResult]: At program point L595(lines 595 601) the Hoare annotation is: (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,863 INFO L264 CegarLoopResult]: At program point L597-2(line 597) the Hoare annotation is: (and (let ((.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|))) (or (let ((.cse0 (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4)) (.cse1 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4)) (.cse2 (<= 1 |sll_update_at_#in~head.offset|)) (.cse3 (<= (+ |sll_update_at_#in~head.offset| 1) 0))) (and (or (and (= |sll_update_at_#t~mem9.offset| .cse0) (= sll_update_at_~data |sll_update_at_#in~data|) (= .cse1 |sll_update_at_#t~mem9.base|)) .cse2 .cse3) (<= 1 |sll_update_at_#in~index|) (= |sll_update_at_#in~index| sll_update_at_~index) .cse4 .cse5 (or (and (= .cse1 sll_update_at_~head.base) (= sll_update_at_~head.offset .cse0)) (= .cse1 |sll_update_at_#in~head.base|) .cse2 .cse3))) (and .cse4 .cse5 (<= 2 |sll_update_at_#in~index|) (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)))) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,863 INFO L264 CegarLoopResult]: At program point L595-1(lines 595 601) the Hoare annotation is: (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |#memory_int| |old(#memory_int)|) (= sll_update_at_~data |sll_update_at_#in~data|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,863 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse2 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (let ((.cse3 (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse0 .cse5 .cse1 .cse2))) (and (or (and (<= 1 |sll_update_at_#in~index|) .cse0 .cse1 .cse2) .cse3) (let ((.cse6 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse4 |sll_update_at_#in~head.base|) (<= 1 |sll_update_at_#in~head.offset|) (and (= .cse4 sll_update_at_~head.base) .cse5 (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (<= (+ |sll_update_at_#in~head.offset| 1) 0))) .cse6) (and (<= 2 |sll_update_at_#in~index|) .cse6) .cse3))))) [2020-07-17 17:29:34,864 INFO L264 CegarLoopResult]: At program point L596-3(lines 596 599) the Hoare annotation is: (let ((.cse3 (= sll_update_at_~data |sll_update_at_#in~data|))) (and (let ((.cse0 (= |#memory_int| |old(#memory_int)|)) (.cse1 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse2 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (and (<= 1 |sll_update_at_#in~index|) .cse0 .cse1 .cse2) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse0 .cse3 .cse1 .cse2))) (let ((.cse5 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (let ((.cse4 (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) 4))) (or (= .cse4 |sll_update_at_#in~head.base|) (<= 1 |sll_update_at_#in~head.offset|) (and (= .cse4 sll_update_at_~head.base) .cse3 (= sll_update_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (<= (+ |sll_update_at_#in~head.offset| 1) 0))) .cse5) (<= |sll_update_at_#in~index| 0) (and (<= 2 |sll_update_at_#in~index|) .cse5))))) [2020-07-17 17:29:34,864 INFO L264 CegarLoopResult]: At program point sll_update_atEXIT(lines 595 601) the Hoare annotation is: (let ((.cse5 (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|)) (.cse4 (select |old(#memory_$Pointer$.base)| |sll_update_at_#in~head.base|))) (let ((.cse2 (select .cse4 4)) (.cse3 (select .cse5 4)) (.cse0 (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) 4))) (and (or (<= 1 |sll_update_at_#in~index|) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (or (= 4 |sll_update_at_#in~head.offset|) (let ((.cse1 (@diff |old(#memory_int)| |#memory_int|))) (and (= (select (select |old(#memory_$Pointer$.offset)| |sll_update_at_#in~head.base|) 4) .cse0) (or (= |sll_update_at_#in~head.base| .cse1) (= |#memory_int| |old(#memory_int)|)) (= (store |old(#memory_int)| .cse1 (select |#memory_int| .cse1)) |#memory_int|) (= .cse2 .cse3)))) (= |sll_update_at_#in~index| sll_update_at_~index) (= |sll_update_at_#in~data| (select (select |#memory_int| |sll_update_at_#in~head.base|) |sll_update_at_#in~head.offset|)) (= sll_update_at_~data |sll_update_at_#in~data|))) (let ((.cse6 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (or (= .cse2 |sll_update_at_#in~head.base|) (and (= |sll_update_at_#in~data| (select (select |#memory_int| .cse3) .cse0)) (= .cse4 .cse5)) (<= 1 |sll_update_at_#in~head.offset|) (<= (+ |sll_update_at_#in~head.offset| 1) 0)) .cse6) (<= |sll_update_at_#in~index| 0) (and (<= 2 |sll_update_at_#in~index|) .cse6)))))) [2020-07-17 17:29:34,864 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,865 INFO L268 CegarLoopResult]: For program point L66-1(line 66) no Hoare annotation was computed. [2020-07-17 17:29:34,865 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-17 17:29:34,865 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-17 17:29:34,865 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-17 17:29:34,865 INFO L268 CegarLoopResult]: For program point L66(line 66) no Hoare annotation was computed. [2020-07-17 17:29:34,865 INFO L264 CegarLoopResult]: At program point L576(line 576) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base)))) (or (and .cse0 (not (= sll_create_~head~0.base sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)) (and .cse0 (= |sll_create_#in~len| sll_create_~len)))) [2020-07-17 17:29:34,866 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 1 (select |#valid| sll_create_~head~0.base))) (and (= |sll_create_#in~len| sll_create_~len) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) [2020-07-17 17:29:34,866 INFO L264 CegarLoopResult]: At program point L576-1(line 576) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base)))) (or (and .cse0 (= |sll_create_#in~len| sll_create_~len)) (and .cse0 (not (= sll_create_~head~0.base sll_create_~new_head~0.base)) (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)))) [2020-07-17 17:29:34,866 INFO L264 CegarLoopResult]: At program point sll_createEXIT(lines 572 580) the Hoare annotation is: (or (and (<= |sll_create_#in~len| 1) (<= |sll_create_#in~len| (+ sll_create_~len 1))) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| sll_create_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= 0 |sll_create_#res.offset|) (not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) |sll_create_#res.base|)) (= sll_create_~new_head~0.offset 0))) [2020-07-17 17:29:34,866 INFO L264 CegarLoopResult]: At program point L575-1(line 575) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| |sll_create_#t~ret4.base|)))) (or (and (= |sll_create_#in~len| sll_create_~len) .cse0) (and (not (= sll_create_~head~0.base |sll_create_#t~ret4.base|)) (= 0 |sll_create_#t~ret4.offset|) .cse0))) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L573(line 573) the Hoare annotation is: (and (= |sll_create_#in~len| sll_create_~len) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L575-2(line 575) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= 1 (select |#valid| |sll_create_#t~ret4.base|)))) (or (and (not (= sll_create_~head~0.base |sll_create_#t~ret4.base|)) .cse0 (= 0 |sll_create_#t~ret4.offset|) (not (= sll_create_~head~0.base sll_create_~new_head~0.base)) .cse1 (= sll_create_~new_head~0.offset 0)) (and .cse0 (= |sll_create_#in~len| sll_create_~len) .cse1))) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L572(lines 572 580) the Hoare annotation is: (and (= |sll_create_#in~len| sll_create_~len) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L574-2(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 (= 0 sll_create_~head~0.offset) .cse1 (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)) (and .cse0 (= |sll_create_#in~len| sll_create_~len) .cse1))) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L574-3(line 574) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 (= 0 sll_create_~head~0.offset) .cse1 (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)) (and .cse0 (<= |sll_create_#in~len| |sll_create_#t~post3|) (= |sll_create_#in~len| sll_create_~len) .cse1))) [2020-07-17 17:29:34,867 INFO L264 CegarLoopResult]: At program point L574-4(line 574) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 (= 0 sll_create_~head~0.offset) .cse1 (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)) (and .cse0 (<= |sll_create_#in~len| |sll_create_#t~post3|) (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse1))) [2020-07-17 17:29:34,868 INFO L264 CegarLoopResult]: At program point L574-5(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~new_head~0.base))) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and .cse0 (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse1) (and (= |sll_create_#in~len| sll_create_~len) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) .cse0 (= 0 sll_create_~head~0.offset) .cse1 (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0)))) [2020-07-17 17:29:34,868 INFO L264 CegarLoopResult]: At program point L574-6(lines 574 578) the Hoare annotation is: (or (and (<= |sll_create_#in~len| 1) (<= |sll_create_#in~len| (+ sll_create_~len 1))) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| sll_create_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= sll_create_~new_head~0.offset 0))) [2020-07-17 17:29:34,868 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,868 INFO L264 CegarLoopResult]: At program point sll_createFINAL(lines 572 580) the Hoare annotation is: (or (and (<= |sll_create_#in~len| 1) (<= |sll_create_#in~len| (+ sll_create_~len 1))) (and (not (= sll_create_~head~0.base (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) 4))) (= 1 (select |#valid| sll_create_~new_head~0.base)) (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| sll_create_~head~0.base)) (not (= (select (select |#memory_$Pointer$.base| sll_create_~new_head~0.base) (+ sll_create_~new_head~0.offset 4)) sll_create_~new_head~0.base)) (= 0 |sll_create_#res.offset|) (not (= (select (select |#memory_$Pointer$.base| |sll_create_#res.base|) 4) |sll_create_#res.base|)) (= sll_create_~new_head~0.offset 0))) [2020-07-17 17:29:34,868 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-17 17:29:34,868 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-17 17:29:34,869 INFO L268 CegarLoopResult]: For program point L71(line 71) no Hoare annotation was computed. [2020-07-17 17:29:34,869 INFO L268 CegarLoopResult]: For program point L71-1(line 71) no Hoare annotation was computed. [2020-07-17 17:29:34,869 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-17 17:29:34,869 INFO L271 CegarLoopResult]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,869 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,869 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,869 INFO L271 CegarLoopResult]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2020-07-17 17:29:34,869 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-17 17:29:34,870 INFO L264 CegarLoopResult]: At program point sll_get_data_atFINAL(lines 588 594) the Hoare annotation is: (let ((.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (.cse7 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|))) (let ((.cse0 (<= 1 |sll_get_data_at_#in~index|)) (.cse6 (or (and (<= 2 |sll_get_data_at_#in~index|) .cse1) (and (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0) (or .cse7 (not (= 0 sll_get_data_at_~head.offset))))))) (or (let ((.cse2 (<= 1 |sll_get_data_at_#in~head.offset|)) (.cse3 (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)) (.cse5 (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)) (.cse4 (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4))) (and .cse0 .cse1 (or .cse2 .cse3 (and (= .cse4 sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base .cse5))) (or .cse2 .cse3 (= (select (select |#memory_int| .cse5) .cse4) |sll_get_data_at_#res|)))) (and .cse6 .cse0) (and .cse6 .cse7 (= (select (select |#memory_int| |sll_get_data_at_#in~head.base|) |sll_get_data_at_#in~head.offset|) |sll_get_data_at_#res|))))) [2020-07-17 17:29:34,870 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (let ((.cse3 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (.cse1 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|))) (let ((.cse0 (or (and (<= 2 |sll_get_data_at_#in~index|) .cse3) (and (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0) (or .cse1 (not (= 0 sll_get_data_at_~head.offset)))))) (.cse2 (<= 1 |sll_get_data_at_#in~index|))) (or (and .cse0 (= (select (select |#memory_int| |sll_get_data_at_#in~head.base|) |sll_get_data_at_#in~head.offset|) |sll_get_data_at_#t~mem8|) .cse1) (let ((.cse4 (<= 1 |sll_get_data_at_#in~head.offset|)) (.cse5 (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)) (.cse7 (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)) (.cse6 (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4))) (and .cse2 .cse3 (or .cse4 .cse5 (and (= .cse6 sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base .cse7))) (or .cse4 .cse5 (= (select (select |#memory_int| .cse7) .cse6) |sll_get_data_at_#t~mem8|)))) (and .cse0 .cse2)))) [2020-07-17 17:29:34,870 INFO L264 CegarLoopResult]: At program point L593-1(line 593) the Hoare annotation is: (let ((.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (.cse8 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|))) (let ((.cse0 (<= 1 |sll_get_data_at_#in~index|)) (.cse7 (or (and (<= 2 |sll_get_data_at_#in~index|) .cse1) (and (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0) (or .cse8 (not (= 0 sll_get_data_at_~head.offset))))))) (or (let ((.cse5 (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)) (.cse4 (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4))) (let ((.cse2 (<= 1 |sll_get_data_at_#in~head.offset|)) (.cse3 (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)) (.cse6 (select (select |#memory_int| .cse5) .cse4))) (and .cse0 .cse1 (or .cse2 .cse3 (and (= .cse4 sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base .cse5))) (or .cse2 .cse3 (= .cse6 |sll_get_data_at_#t~mem8|)) (or .cse2 .cse3 (= .cse6 |sll_get_data_at_#res|))))) (and .cse7 .cse0) (let ((.cse9 (select (select |#memory_int| |sll_get_data_at_#in~head.base|) |sll_get_data_at_#in~head.offset|))) (and .cse7 .cse8 (= .cse9 |sll_get_data_at_#t~mem8|) (= .cse9 |sll_get_data_at_#res|)))))) [2020-07-17 17:29:34,870 INFO L264 CegarLoopResult]: At program point L591(line 591) the Hoare annotation is: (or (and (<= 2 |sll_get_data_at_#in~index|) (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (and (<= 1 |sll_get_data_at_#in~index|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (or (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)))))) [2020-07-17 17:29:34,871 INFO L264 CegarLoopResult]: At program point L590(line 590) the Hoare annotation is: (or (and (<= 2 |sll_get_data_at_#in~index|) (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (<= 1 |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index))) [2020-07-17 17:29:34,871 INFO L264 CegarLoopResult]: At program point L591-1(line 591) the Hoare annotation is: (let ((.cse0 (<= |sll_get_data_at_#t~post7| |sll_get_data_at_#in~index|))) (or (and (<= 2 |sll_get_data_at_#in~index|) .cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (and (<= 1 |sll_get_data_at_#in~index|) .cse0 (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (or (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))))))) [2020-07-17 17:29:34,871 INFO L264 CegarLoopResult]: At program point L590-1(line 590) the Hoare annotation is: (or (and (<= 2 |sll_get_data_at_#in~index|) (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (<= 1 |sll_get_data_at_#in~index|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (or (<= 1 |sll_get_data_at_#in~head.offset|) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) |sll_get_data_at_#t~mem6.offset|) (= (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4) |sll_get_data_at_#t~mem6.base|)) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)))) [2020-07-17 17:29:34,871 INFO L264 CegarLoopResult]: At program point L591-2(line 591) the Hoare annotation is: (let ((.cse0 (<= |sll_get_data_at_#t~post7| |sll_get_data_at_#in~index|)) (.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and (<= 2 |sll_get_data_at_#in~index|) .cse0 .cse1) (and (<= 1 |sll_get_data_at_#in~index|) .cse0 .cse1 (or (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))))))) [2020-07-17 17:29:34,871 INFO L264 CegarLoopResult]: At program point L588(lines 588 594) the Hoare annotation is: (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|)) [2020-07-17 17:29:34,872 INFO L264 CegarLoopResult]: At program point L590-2(line 590) the Hoare annotation is: (or (and (<= 2 |sll_get_data_at_#in~index|) (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (let ((.cse0 (<= 1 |sll_get_data_at_#in~head.offset|)) (.cse2 (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4)) (.cse3 (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)) (.cse1 (<= (+ |sll_get_data_at_#in~head.offset| 1) 0))) (and (<= 1 |sll_get_data_at_#in~index|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (or .cse0 .cse1 (and (= .cse2 sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base .cse3))) (or .cse0 (and (= .cse2 |sll_get_data_at_#t~mem6.offset|) (= .cse3 |sll_get_data_at_#t~mem6.base|)) .cse1)))) [2020-07-17 17:29:34,872 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and (<= 2 |sll_get_data_at_#in~index|) .cse0) (and (<= 1 |sll_get_data_at_#in~index|) .cse0 (or (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index)))) [2020-07-17 17:29:34,872 INFO L264 CegarLoopResult]: At program point L589-3(lines 589 592) the Hoare annotation is: (let ((.cse1 (<= 1 |sll_get_data_at_#in~index|))) (and (let ((.cse0 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|))) (or (and (<= 2 |sll_get_data_at_#in~index|) .cse0) (and .cse1 .cse0 (or (<= 1 |sll_get_data_at_#in~head.offset|) (<= (+ |sll_get_data_at_#in~head.offset| 1) 0) (and (= (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4) sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4))))) (and (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0)))) (or (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) .cse1))) [2020-07-17 17:29:34,872 INFO L264 CegarLoopResult]: At program point sll_get_data_atEXIT(lines 588 594) the Hoare annotation is: (let ((.cse1 (<= (+ sll_get_data_at_~index 1) |sll_get_data_at_#in~index|)) (.cse7 (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|))) (let ((.cse0 (<= 1 |sll_get_data_at_#in~index|)) (.cse6 (or (and (<= 2 |sll_get_data_at_#in~index|) .cse1) (and (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0) (or .cse7 (not (= 0 sll_get_data_at_~head.offset))))))) (or (let ((.cse2 (<= 1 |sll_get_data_at_#in~head.offset|)) (.cse3 (<= (+ |sll_get_data_at_#in~head.offset| 1) 0)) (.cse5 (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) 4)) (.cse4 (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) 4))) (and .cse0 .cse1 (or .cse2 .cse3 (and (= .cse4 sll_get_data_at_~head.offset) (= sll_get_data_at_~head.base .cse5))) (or .cse2 .cse3 (= (select (select |#memory_int| .cse5) .cse4) |sll_get_data_at_#res|)))) (and .cse6 .cse0) (and .cse6 .cse7 (= (select (select |#memory_int| |sll_get_data_at_#in~head.base|) |sll_get_data_at_#in~head.offset|) |sll_get_data_at_#res|))))) [2020-07-17 17:29:34,873 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse0 (<= 2 main_~len~0)) (.cse3 (= 0 main_~s~0.offset)) (.cse1 (* 2 main_~len~0)) (.cse4 (not (= .cse8 main_~s~0.base)))) (or (let ((.cse2 (+ main_~new_data~0 1))) (and (<= main_~len~0 (+ main_~i~0 1)) .cse0 (<= .cse1 .cse2) .cse3 (<= .cse2 .cse1) (<= main_~i~0 1) .cse4)) (let ((.cse7 (+ main_~new_data~0 2)) (.cse5 (+ (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1)) (.cse6 (+ main_~i~0 2))) (and (<= .cse1 .cse5) (<= .cse6 main_~len~0) (<= main_~len~0 2) .cse0 (<= .cse1 .cse7) (<= .cse7 .cse1) .cse3 (<= .cse5 .cse1) .cse4 (<= main_~len~0 .cse6)))))) [2020-07-17 17:29:34,873 INFO L264 CegarLoopResult]: At program point L613-4(line 613) the Hoare annotation is: (let ((.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse10 (+ main_~new_data~0 2)) (.cse9 (* 2 main_~len~0)) (.cse8 (+ .cse6 2))) (let ((.cse0 (<= 0 main_~i~0)) (.cse1 (<= .cse9 .cse8)) (.cse2 (<= 2 main_~len~0)) (.cse3 (<= .cse9 .cse10)) (.cse4 (<= .cse10 .cse9)) (.cse5 (<= main_~expected~0 |main_#t~ret14|)) (.cse7 (< |main_#t~ret14| (+ main_~expected~0 1)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ .cse6 1) (+ main_~i~0 main_~len~0)) (<= main_~i~0 1) .cse7) (and (<= main_~i~0 0) (<= .cse8 .cse9) (<= main_~len~0 2) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse7))))) [2020-07-17 17:29:34,873 INFO L264 CegarLoopResult]: At program point L609-1(lines 607 610) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse1 (select (select |#memory_int| .cse11) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (let ((.cse8 (+ .cse1 1)) (.cse3 (* 2 main_~len~0))) (let ((.cse2 (<= main_~len~0 2)) (.cse0 (+ main_~i~0 main_~len~0)) (.cse5 (= 0 main_~s~0.offset)) (.cse6 (<= .cse8 .cse3)) (.cse7 (not (= .cse11 main_~s~0.base)))) (or (let ((.cse4 (+ main_~new_data~0 1))) (and (<= .cse0 .cse1) .cse2 (<= .cse3 .cse4) .cse5 (<= .cse4 .cse3) .cse6 .cse7 (<= 1 main_~i~0))) (let ((.cse9 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse10 (+ main_~new_data~0 2))) (and (<= .cse3 .cse8) (<= (+ .cse9 2) .cse3) (<= 0 main_~i~0) .cse2 (<= .cse0 .cse9) (<= .cse3 .cse10) (<= .cse10 .cse3) .cse5 .cse6 .cse7))))))) [2020-07-17 17:29:34,873 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,873 INFO L264 CegarLoopResult]: At program point L605-1(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (not (= (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4) |main_#t~ret11.base|)) (<= 2 main_~len~0) (= 0 |main_#t~ret11.offset|)) [2020-07-17 17:29:34,874 INFO L264 CegarLoopResult]: At program point L605-2(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (not (= (select (select |#memory_$Pointer$.base| |main_#t~ret11.base|) 4) |main_#t~ret11.base|)) (<= 2 main_~len~0) (= 0 |main_#t~ret11.offset|) (= 0 main_~s~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) main_~s~0.base))) [2020-07-17 17:29:34,874 INFO L271 CegarLoopResult]: At program point mainEXIT(lines 602 621) the Hoare annotation is: true [2020-07-17 17:29:34,874 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-17 17:29:34,874 INFO L264 CegarLoopResult]: At program point L606(line 606) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= 0 main_~s~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) main_~s~0.base))) [2020-07-17 17:29:34,875 INFO L264 CegarLoopResult]: At program point L611-2(lines 611 616) the Hoare annotation is: (let ((.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse9 (+ main_~new_data~0 2)) (.cse8 (* 2 main_~len~0)) (.cse7 (+ .cse6 2))) (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= 0 main_~i~0)) (.cse2 (<= .cse8 .cse7)) (.cse3 (<= 2 main_~len~0)) (.cse4 (<= .cse8 .cse9)) (.cse5 (<= .cse9 .cse8))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ .cse6 1) (+ main_~i~0 main_~len~0)) (<= main_~i~0 1)) (and (<= main_~i~0 0) (<= .cse7 .cse8) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2020-07-17 17:29:34,875 INFO L264 CegarLoopResult]: At program point L611-3(line 611) the Hoare annotation is: (let ((.cse10 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse11 (+ main_~new_data~0 2)) (.cse1 (* 2 main_~len~0)) (.cse0 (+ .cse10 2))) (let ((.cse2 (<= main_~len~0 2)) (.cse3 (<= 0 main_~i~0)) (.cse4 (<= .cse1 .cse0)) (.cse5 (<= 2 main_~len~0)) (.cse6 (<= .cse1 .cse11)) (.cse7 (<= .cse11 .cse1))) (or (and (<= main_~i~0 0) (<= |main_#t~post13| 0) (<= .cse0 .cse1) .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (let ((.cse9 (+ |main_#t~post13| main_~len~0)) (.cse8 (+ .cse10 1))) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (<= .cse8 (+ main_~i~0 main_~len~0)) (<= .cse8 .cse9) (<= main_~i~0 1) (<= .cse9 .cse8))))))) [2020-07-17 17:29:34,875 INFO L264 CegarLoopResult]: At program point L607(line 607) the Hoare annotation is: (and (<= main_~len~0 2) (<= 2 main_~len~0) (= 0 main_~s~0.offset) (not (= (select (select |#memory_$Pointer$.base| main_~s~0.base) 4) main_~s~0.base))) [2020-07-17 17:29:34,875 INFO L264 CegarLoopResult]: At program point L611-4(line 611) the Hoare annotation is: (let ((.cse5 (* 2 main_~len~0)) (.cse6 (+ main_~new_data~0 2))) (let ((.cse1 (<= 2 main_~len~0)) (.cse2 (<= .cse5 .cse6)) (.cse3 (<= .cse6 .cse5)) (.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (or (and (<= (+ main_~i~0 main_~len~0) .cse0) .cse1 (<= |main_#t~post13| 1) .cse2 .cse3 (<= (+ .cse0 1) (+ |main_#t~post13| main_~len~0)) (<= main_~len~0 (+ main_~i~0 2))) (let ((.cse4 (+ .cse0 2))) (and (<= |main_#t~post13| 0) (<= .cse4 .cse5) (<= main_~len~0 2) (<= .cse5 .cse4) .cse1 .cse2 .cse3 (<= (+ main_~i~0 1) 0)))))) [2020-07-17 17:29:34,876 INFO L264 CegarLoopResult]: At program point L611-5(lines 611 616) the Hoare annotation is: (let ((.cse8 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse11 (+ main_~new_data~0 2)) (.cse3 (+ .cse8 2)) (.cse2 (* 2 main_~len~0))) (let ((.cse4 (<= 2 main_~len~0)) (.cse0 (<= .cse3 .cse2)) (.cse1 (<= main_~len~0 2)) (.cse5 (<= .cse2 .cse11)) (.cse6 (<= .cse11 .cse2)) (.cse7 (+ main_~i~0 main_~len~0))) (or (and .cse0 .cse1 (<= .cse2 .cse3) .cse4 .cse5 .cse6 (<= (+ main_~i~0 1) 0)) (and .cse0 .cse1 (<= .cse7 .cse8) .cse4 .cse5 .cse6 (<= main_~len~0 (+ main_~i~0 2))) (let ((.cse10 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse9 (select (select |#memory_int| .cse10) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (<= .cse7 .cse9) .cse0 .cse1 .cse5 .cse6 (= 0 main_~s~0.offset) (<= .cse7 (+ .cse8 1)) (<= (+ .cse9 1) .cse2) (not (= .cse10 main_~s~0.base)) (<= 1 main_~i~0)))))))) [2020-07-17 17:29:34,876 INFO L271 CegarLoopResult]: At program point L611-6(lines 611 616) the Hoare annotation is: true [2020-07-17 17:29:34,876 INFO L264 CegarLoopResult]: At program point L607-3(line 607) the Hoare annotation is: (let ((.cse12 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse1 (select (select |#memory_int| .cse12) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (let ((.cse9 (+ .cse1 1)) (.cse3 (* 2 main_~len~0))) (let ((.cse2 (<= main_~len~0 2)) (.cse0 (+ main_~i~0 main_~len~0)) (.cse5 (<= |main_#t~post12| 1)) (.cse6 (= 0 main_~s~0.offset)) (.cse7 (<= .cse9 .cse3)) (.cse8 (not (= .cse12 main_~s~0.base)))) (or (let ((.cse4 (+ main_~new_data~0 1))) (and (<= .cse0 .cse1) .cse2 (<= 1 |main_#t~post12|) (<= .cse3 .cse4) .cse5 .cse6 (<= .cse4 .cse3) .cse7 .cse8 (<= 1 main_~i~0))) (let ((.cse10 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse11 (+ main_~new_data~0 2))) (and (<= .cse3 .cse9) (<= (+ .cse10 2) .cse3) (<= 0 main_~i~0) .cse2 (<= .cse0 .cse10) (<= .cse3 .cse11) .cse5 (<= .cse11 .cse3) .cse6 .cse7 .cse8))))))) [2020-07-17 17:29:34,876 INFO L264 CegarLoopResult]: At program point L607-4(line 607) the Hoare annotation is: (let ((.cse12 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse3 (* 2 main_~len~0)) (.cse13 (+ (select (select |#memory_int| .cse12) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1))) (let ((.cse0 (<= .cse3 .cse13)) (.cse1 (<= main_~i~0 0)) (.cse4 (<= main_~len~0 2)) (.cse5 (<= 2 main_~len~0)) (.cse7 (<= |main_#t~post12| 1)) (.cse8 (= 0 main_~s~0.offset)) (.cse9 (<= .cse13 .cse3)) (.cse10 (not (= .cse12 main_~s~0.base)))) (or (let ((.cse2 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2)) (.cse6 (+ main_~new_data~0 2))) (and .cse0 .cse1 (<= .cse2 .cse3) .cse4 (<= .cse3 .cse2) .cse5 (<= .cse3 .cse6) .cse7 (<= .cse6 .cse3) .cse8 .cse9 .cse10)) (let ((.cse11 (+ main_~new_data~0 1))) (and .cse0 .cse1 (<= 0 main_~i~0) .cse4 (<= 1 |main_#t~post12|) .cse5 (<= .cse3 .cse11) .cse7 .cse8 (<= .cse11 .cse3) .cse9 .cse10)))))) [2020-07-17 17:29:34,877 INFO L264 CegarLoopResult]: At program point L607-5(lines 607 610) the Hoare annotation is: (let ((.cse11 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse3 (* 2 main_~len~0)) (.cse12 (+ (select (select |#memory_int| .cse11) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1))) (let ((.cse0 (<= .cse3 .cse12)) (.cse1 (<= (+ main_~i~0 2) main_~len~0)) (.cse4 (<= main_~len~0 2)) (.cse8 (<= .cse12 .cse3)) (.cse5 (<= 2 main_~len~0)) (.cse7 (= 0 main_~s~0.offset)) (.cse9 (not (= .cse11 main_~s~0.base)))) (or (let ((.cse2 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2)) (.cse6 (+ main_~new_data~0 2))) (and .cse0 .cse1 (<= .cse2 .cse3) .cse4 (<= .cse3 .cse2) .cse5 (<= .cse3 .cse6) (<= .cse6 .cse3) .cse7 .cse8 .cse9)) (let ((.cse10 (+ main_~new_data~0 1))) (and .cse0 .cse1 (<= 0 main_~i~0) .cse4 (<= .cse3 .cse10) .cse7 (<= .cse10 .cse3) .cse9 .cse8)) (and (<= main_~len~0 (+ main_~i~0 1)) .cse5 .cse7 (<= main_~i~0 1) .cse9))))) [2020-07-17 17:29:34,877 INFO L264 CegarLoopResult]: At program point L607-6(lines 607 610) the Hoare annotation is: (let ((.cse4 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse2 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2)) (.cse3 (+ main_~new_data~0 2)) (.cse1 (+ (select (select |#memory_int| .cse4) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1)) (.cse0 (* 2 main_~len~0))) (and (<= .cse0 .cse1) (<= .cse2 .cse0) (<= main_~len~0 2) (<= .cse0 .cse2) (<= 2 main_~len~0) (<= .cse0 .cse3) (<= .cse3 .cse0) (= 0 main_~s~0.offset) (<= (+ main_~i~0 1) 0) (<= .cse1 .cse0) (not (= .cse4 main_~s~0.base))))) [2020-07-17 17:29:34,877 INFO L271 CegarLoopResult]: At program point mainFINAL(lines 602 621) the Hoare annotation is: true [2020-07-17 17:29:34,877 INFO L264 CegarLoopResult]: At program point L620(line 620) the Hoare annotation is: false [2020-07-17 17:29:34,877 INFO L264 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (let ((.cse9 (+ main_~new_data~0 2)) (.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse7 (* 2 main_~len~0))) (let ((.cse2 (<= (+ .cse6 2) .cse7)) (.cse3 (<= main_~len~0 2)) (.cse0 (+ main_~i~0 main_~len~0)) (.cse4 (<= .cse7 .cse9)) (.cse5 (<= .cse9 .cse7))) (or (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse1 (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (<= .cse0 .cse1) .cse2 .cse3 .cse4 .cse5 (= 0 main_~s~0.offset) (<= .cse0 (+ .cse6 1)) (<= (+ .cse1 1) .cse7) (not (= .cse8 main_~s~0.base)) (<= 1 main_~i~0)))) (and .cse2 .cse3 (<= 0 main_~i~0) (<= .cse0 .cse6) .cse4 .cse5)))) [2020-07-17 17:29:34,878 INFO L264 CegarLoopResult]: At program point L608(line 608) the Hoare annotation is: (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse0 (<= 2 main_~len~0)) (.cse1 (= 0 main_~s~0.offset)) (.cse2 (not (= .cse6 main_~s~0.base)))) (or (and (<= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 (<= main_~i~0 1) .cse2) (let ((.cse4 (+ (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)) 1)) (.cse3 (* 2 main_~len~0)) (.cse5 (+ main_~i~0 2))) (and (<= .cse3 .cse4) (<= .cse5 main_~len~0) (<= main_~len~0 2) .cse0 .cse1 .cse2 (<= .cse4 .cse3) (<= main_~len~0 .cse5)))))) [2020-07-17 17:29:34,878 INFO L264 CegarLoopResult]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) the Hoare annotation is: false [2020-07-17 17:29:34,878 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,878 INFO L264 CegarLoopResult]: At program point L604(line 604) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,878 INFO L271 CegarLoopResult]: At program point L617(line 617) the Hoare annotation is: true [2020-07-17 17:29:34,879 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse9 (+ main_~new_data~0 2)) (.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse7 (* 2 main_~len~0))) (let ((.cse0 (<= (+ .cse2 2) .cse7)) (.cse1 (<= main_~len~0 2)) (.cse4 (<= .cse7 .cse9)) (.cse5 (<= .cse9 .cse7)) (.cse3 (+ main_~i~0 main_~len~0))) (or (and .cse0 .cse1 (<= main_~expected~0 .cse2) (<= 0 main_~i~0) (<= .cse3 .cse2) (<= .cse2 main_~expected~0) .cse4 .cse5) (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse6 (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (<= .cse3 .cse6) .cse0 .cse1 .cse4 .cse5 (= 0 main_~s~0.offset) (<= .cse3 (+ .cse2 1)) (<= .cse6 main_~expected~0) (<= main_~expected~0 .cse6) (<= (+ .cse6 1) .cse7) (not (= .cse8 main_~s~0.base)) (<= 1 main_~i~0))))))) [2020-07-17 17:29:34,879 INFO L264 CegarLoopResult]: At program point L613-1(line 613) the Hoare annotation is: (let ((.cse12 (+ main_~new_data~0 2)) (.cse1 (* 2 main_~len~0)) (.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (+ .cse2 2)) (.cse7 (<= .cse12 .cse1)) (.cse9 (< |main_#t~ret14| (+ main_~expected~0 1))) (.cse4 (+ main_~i~0 main_~len~0)) (.cse3 (<= 0 main_~i~0)) (.cse5 (<= 2 main_~len~0)) (.cse6 (<= .cse1 .cse12)) (.cse8 (<= main_~expected~0 |main_#t~ret14|))) (or (and (<= .cse0 .cse1) (<= main_~len~0 2) (<= main_~expected~0 .cse2) .cse3 (<= .cse4 .cse2) .cse5 (<= .cse2 main_~expected~0) .cse6 .cse7 .cse8 .cse9) (let ((.cse11 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse10 (select (select |#memory_int| .cse11) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (<= .cse1 .cse0) .cse7 (= 0 main_~s~0.offset) (<= (+ .cse2 1) .cse4) (<= main_~expected~0 .cse10) (<= (+ .cse10 1) .cse1) .cse9 (<= .cse4 .cse10) .cse3 .cse5 .cse6 .cse8 (<= .cse10 main_~expected~0) (<= main_~i~0 1) (not (= .cse11 main_~s~0.base)))))))) [2020-07-17 17:29:34,879 INFO L264 CegarLoopResult]: At program point L613-2(lines 613 615) the Hoare annotation is: (let ((.cse12 (+ main_~new_data~0 2)) (.cse1 (* 2 main_~len~0)) (.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (let ((.cse0 (+ .cse2 2)) (.cse7 (<= .cse12 .cse1)) (.cse9 (< |main_#t~ret14| (+ main_~expected~0 1))) (.cse4 (+ main_~i~0 main_~len~0)) (.cse3 (<= 0 main_~i~0)) (.cse5 (<= 2 main_~len~0)) (.cse6 (<= .cse1 .cse12)) (.cse8 (<= main_~expected~0 |main_#t~ret14|))) (or (and (<= .cse0 .cse1) (<= main_~len~0 2) (<= main_~expected~0 .cse2) .cse3 (<= .cse4 .cse2) .cse5 (<= .cse2 main_~expected~0) .cse6 .cse7 .cse8 .cse9) (let ((.cse11 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse10 (select (select |#memory_int| .cse11) (select (select |#memory_$Pointer$.offset| main_~s~0.base) 4)))) (and (<= .cse1 .cse0) .cse7 (= 0 main_~s~0.offset) (<= (+ .cse2 1) .cse4) (<= main_~expected~0 .cse10) (<= (+ .cse10 1) .cse1) .cse9 (<= .cse4 .cse10) .cse3 .cse5 .cse6 .cse8 (<= .cse10 main_~expected~0) (<= main_~i~0 1) (not (= .cse11 main_~s~0.base)))))))) [2020-07-17 17:29:34,880 INFO L264 CegarLoopResult]: At program point L613-3(line 613) the Hoare annotation is: false [2020-07-17 17:29:34,880 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,880 INFO L264 CegarLoopResult]: At program point L569(line 569) the Hoare annotation is: (and (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= 0 |node_create_#t~malloc2.offset|)) [2020-07-17 17:29:34,880 INFO L264 CegarLoopResult]: At program point L568(line 568) the Hoare annotation is: (and (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= 0 |node_create_#t~malloc2.offset|)) [2020-07-17 17:29:34,880 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-17 17:29:34,880 INFO L264 CegarLoopResult]: At program point node_createEXIT(lines 563 571) the Hoare annotation is: (and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 0 |node_create_#res.offset|) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= 0 |node_create_#t~malloc2.offset|) (= 1 (select |#valid| |node_create_#res.base|))) [2020-07-17 17:29:34,881 INFO L264 CegarLoopResult]: At program point L565(lines 565 567) the Hoare annotation is: (and (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,881 INFO L264 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#length)| |#length|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,881 INFO L264 CegarLoopResult]: At program point L565-1(lines 565 567) the Hoare annotation is: (and (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,881 INFO L264 CegarLoopResult]: At program point L564-1(line 564) the Hoare annotation is: (and (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= 0 |node_create_#t~malloc2.offset|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-17 17:29:34,881 INFO L264 CegarLoopResult]: At program point node_createFINAL(lines 563 571) the Hoare annotation is: (and (= 0 (select |old(#valid)| |node_create_#res.base|)) (= node_create_~temp~0.offset 0) (= 1 (select |#valid| node_create_~temp~0.base)) (= 0 (select |old(#valid)| node_create_~temp~0.base)) (= 0 (select |old(#valid)| |node_create_#t~malloc2.base|)) (= 0 |node_create_#res.offset|) (= 1 (select |#valid| |node_create_#t~malloc2.base|)) (= 0 |node_create_#t~malloc2.offset|) (= 1 (select |#valid| |node_create_#res.base|))) [2020-07-17 17:29:34,894 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,895 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,897 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,898 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,904 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,905 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,905 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,906 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,917 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,918 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,922 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,923 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,924 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,925 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,925 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,929 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,930 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,931 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,932 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,933 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,934 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,943 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,944 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,945 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,945 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,946 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,947 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,948 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,949 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,950 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,951 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,954 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,955 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,956 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,957 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,960 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,960 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,961 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,962 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,963 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,964 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,966 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,967 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,969 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,970 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,972 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,973 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,973 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,974 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,975 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,976 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,977 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,986 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,987 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,988 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,989 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,990 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,990 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:34,991 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:34,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,992 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,996 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:34,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,997 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:34,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:34,998 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:34,999 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,000 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,001 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,002 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,002 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,003 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,004 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,009 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,010 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,011 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,011 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,012 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,013 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,013 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,014 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,015 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,018 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int (Array Int Int)) (Array Int (Array Int Int)) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:246) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:165) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:129) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:394) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpression(ModelTranslationContainer.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionToString(ModelTranslationContainer.java:89) at de.uni_freiburg.informatik.ultimate.core.lib.results.ProcedureContractResult.getLongDescription(ProcedureContractResult.java:74) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ResultService.reportResult(ResultService.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.reportResult(TraceAbstractionStarter.java:693) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.createProcedureContractResults(TraceAbstractionStarter.java:285) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:218) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-17 17:29:35,022 INFO L168 Benchmark]: Toolchain (without parser) took 27006.84 ms. Allocated memory was 144.2 MB in the beginning and 498.6 MB in the end (delta: 354.4 MB). Free memory was 100.9 MB in the beginning and 451.2 MB in the end (delta: -350.3 MB). Peak memory consumption was 359.2 MB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,024 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,031 INFO L168 Benchmark]: CACSL2BoogieTranslator took 616.01 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,032 INFO L168 Benchmark]: Boogie Preprocessor took 69.17 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 164.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,033 INFO L168 Benchmark]: RCFGBuilder took 627.92 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 113.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,036 INFO L168 Benchmark]: TraceAbstraction took 25687.31 ms. Allocated memory was 202.4 MB in the beginning and 498.6 MB in the end (delta: 296.2 MB). Free memory was 112.7 MB in the beginning and 451.2 MB in the end (delta: -338.5 MB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. [2020-07-17 17:29:35,043 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 144.2 MB. Free memory was 120.9 MB in the beginning and 120.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 616.01 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.5 MB in the beginning and 167.9 MB in the end (delta: -67.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.17 ms. Allocated memory is still 202.4 MB. Free memory was 167.9 MB in the beginning and 164.9 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 627.92 ms. Allocated memory is still 202.4 MB. Free memory was 164.9 MB in the beginning and 113.4 MB in the end (delta: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25687.31 ms. Allocated memory was 202.4 MB in the beginning and 498.6 MB in the end (delta: 296.2 MB). Free memory was 112.7 MB in the beginning and 451.2 MB in the end (delta: -338.5 MB). Peak memory consumption was 312.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * 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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 619]: 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: 589]: Loop Invariant [2020-07-17 17:29:35,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,063 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,064 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,064 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,065 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) && index + 1 <= \old(index)) || ((1 <= \old(index) && index + 1 <= \old(index)) && ((1 <= head || head + 1 <= 0) || (#memory_$Pointer$[head][4] == head && head == #memory_$Pointer$[head][4])))) || ((head == head && head == head) && \old(index) == index) - InvariantResult [Line: 607]: Loop Invariant [2020-07-17 17:29:35,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,067 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,071 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,074 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,075 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,076 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,076 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,077 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,078 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,079 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,079 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,080 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,081 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,082 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,083 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,084 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,084 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,085 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,086 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,087 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,088 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((((2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 && i + 2 <= len) && unknown-#memory_int-unknown[s][s] + 2 <= 2 * len) && len <= 2) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) && 2 <= len) && 2 * len <= new_data + 2) && new_data + 2 <= 2 * len) && 0 == s) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && !(#memory_$Pointer$[s][4] == s)) || ((((((((2 * len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 && i + 2 <= len) && 0 <= i) && len <= 2) && 2 * len <= new_data + 1) && 0 == s) && new_data + 1 <= 2 * len) && !(#memory_$Pointer$[s][4] == s)) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len)) || ((((len <= i + 1 && 2 <= len) && 0 == s) && i <= 1) && !(#memory_$Pointer$[s][4] == s)) - InvariantResult [Line: 596]: Loop Invariant [2020-07-17 17:29:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,089 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,090 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,091 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,098 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,099 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,099 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,100 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,101 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,102 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,102 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,103 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,104 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,105 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,106 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,106 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,107 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,108 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,109 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((1 <= \old(index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((((head == head && head == head) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) && ((((((#memory_$Pointer$[head][4] == head || 1 <= head) || ((#memory_$Pointer$[head][4] == head && data == \old(data)) && head == #memory_$Pointer$[head][4])) || head + 1 <= 0) && index + 1 <= \old(index)) || (2 <= \old(index) && index + 1 <= \old(index))) || ((((((head == head && head == head) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 574]: Loop Invariant [2020-07-17 17:29:35,110 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,111 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,111 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,112 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,113 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,113 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,114 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #length [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,115 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,116 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((1 == \valid[new_head] && \old(len) <= len + 1) && 1 == \valid[head]) || (((((\old(len) == len && \valid == \old(\valid)) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(unknown-#length-unknown) == unknown-#length-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((((!(head == #memory_$Pointer$[head][4]) && 1 == \valid[new_head]) && 0 == head) && 1 == \valid[head]) && !(#memory_$Pointer$[new_head][new_head + 4] == new_head)) && new_head == 0) - InvariantResult [Line: 611]: Loop Invariant [2020-07-17 17:29:35,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,117 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,118 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,120 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-17 17:29:35,121 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-17 17:29:35,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,121 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,122 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-17 17:29:35,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-17 17:29:35,123 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((unknown-#memory_int-unknown[s][s] + 2 <= 2 * len && len <= 2) && 2 * len <= unknown-#memory_int-unknown[s][s] + 2) && 2 <= len) && 2 * len <= new_data + 2) && new_data + 2 <= 2 * len) && i + 1 <= 0) || ((((((unknown-#memory_int-unknown[s][s] + 2 <= 2 * len && len <= 2) && i + len <= unknown-#memory_int-unknown[s][s]) && 2 <= len) && 2 * len <= new_data + 2) && new_data + 2 <= 2 * len) && len <= i + 2)) || (((((((((i + len <= unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] && unknown-#memory_int-unknown[s][s] + 2 <= 2 * len) && len <= 2) && 2 * len <= new_data + 2) && new_data + 2 <= 2 * len) && 0 == s) && i + len <= unknown-#memory_int-unknown[s][s] + 1) && unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][4]] + 1 <= 2 * len) && !(#memory_$Pointer$[s][4] == s)) && 1 <= i) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - ProcedureContractResult [Line: 581]: Procedure Contract for sll_destroy Derived contract for procedure sll_destroy: 1 - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int (Array Int Int)) (Array Int (Array Int Int)) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalArgumentException: unknown symbol (@diff (Array Int (Array Int Int)) (Array Int (Array Int Int)) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:553) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...