/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_VARIABLES --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 17:18:25,761 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 17:18:25,764 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 17:18:25,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 17:18:25,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 17:18:25,792 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 17:18:25,794 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 17:18:25,806 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 17:18:25,812 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 17:18:25,814 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 17:18:25,816 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 17:18:25,818 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 17:18:25,819 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 17:18:25,821 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 17:18:25,824 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 17:18:25,825 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 17:18:25,827 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 17:18:25,828 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 17:18:25,830 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 17:18:25,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 17:18:25,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 17:18:25,845 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 17:18:25,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 17:18:25,848 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 17:18:25,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 17:18:25,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 17:18:25,853 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 17:18:25,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 17:18:25,857 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 17:18:25,858 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 17:18:25,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 17:18:25,861 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 17:18:25,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 17:18:25,864 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 17:18:25,866 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 17:18:25,866 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 17:18:25,867 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 17:18:25,867 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 17:18:25,867 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 17:18:25,869 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 17:18:25,871 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 17:18:25,872 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 17:18:25,916 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 17:18:25,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 17:18:25,917 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 17:18:25,918 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 17:18:25,918 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 17:18:25,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 17:18:25,921 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 17:18:25,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 17:18:25,922 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 17:18:25,922 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 17:18:25,922 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 17:18:25,922 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 17:18:25,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 17:18:25,923 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 17:18:25,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 17:18:25,923 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 17:18:25,923 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 17:18:25,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 17:18:25,924 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 17:18:25,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 17:18:25,925 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 17:18:25,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 17:18:25,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 17:18:25,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 17:18:25,926 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 17:18:25,926 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 17:18:25,926 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:25,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 17:18:25,926 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 17:18:25,927 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_VARIABLES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-20 17:18:26,218 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 17:18:26,233 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 17:18:26,238 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 17:18:26,239 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 17:18:26,240 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 17:18:26,241 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 17:18:26,309 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0b01260/2dfcad9e11fb49d399072565f13283e5/FLAG0fee3dbc9 [2020-07-20 17:18:26,899 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 17:18:26,900 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 17:18:26,923 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0b01260/2dfcad9e11fb49d399072565f13283e5/FLAG0fee3dbc9 [2020-07-20 17:18:27,153 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0e0b01260/2dfcad9e11fb49d399072565f13283e5 [2020-07-20 17:18:27,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 17:18:27,168 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 17:18:27,170 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 17:18:27,170 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 17:18:27,174 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 17:18:27,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7042d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27, skipping insertion in model container [2020-07-20 17:18:27,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 17:18:27,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 17:18:27,710 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:18:27,720 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 17:18:27,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 17:18:27,844 INFO L208 MainTranslator]: Completed translation [2020-07-20 17:18:27,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27 WrapperNode [2020-07-20 17:18:27,845 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 17:18:27,846 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 17:18:27,846 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 17:18:27,846 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 17:18:27,861 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,879 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,898 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,904 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (1/1) ... [2020-07-20 17:18:27,915 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 17:18:27,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 17:18:27,916 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 17:18:27,916 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 17:18:27,917 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (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 [2020-07-20 17:18:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 17:18:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 17:18:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-20 17:18:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-20 17:18:27,992 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-20 17:18:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-20 17:18:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-20 17:18:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-20 17:18:27,993 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-20 17:18:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-20 17:18:27,994 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 17:18:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 17:18:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-20 17:18:27,994 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-20 17:18:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-20 17:18:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-20 17:18:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-20 17:18:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-20 17:18:27,995 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-20 17:18:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-20 17:18:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-20 17:18:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-20 17:18:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-20 17:18:27,996 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-20 17:18:27,997 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-20 17:18:27,998 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-20 17:18:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-20 17:18:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-20 17:18:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-20 17:18:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-20 17:18:27,999 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-20 17:18:28,000 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-20 17:18:28,001 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-20 17:18:28,002 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-20 17:18:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-20 17:18:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-20 17:18:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 17:18:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 17:18:28,003 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-20 17:18:28,004 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 17:18:28,005 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-20 17:18:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-20 17:18:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-20 17:18:28,008 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-20 17:18:28,009 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-20 17:18:28,010 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-20 17:18:28,011 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-20 17:18:28,012 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-20 17:18:28,013 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 17:18:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 17:18:28,014 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 17:18:28,472 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-20 17:18:28,664 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 17:18:28,664 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-20 17:18:28,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:18:28 BoogieIcfgContainer [2020-07-20 17:18:28,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 17:18:28,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 17:18:28,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 17:18:28,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 17:18:28,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 05:18:27" (1/3) ... [2020-07-20 17:18:28,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd5da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:18:28, skipping insertion in model container [2020-07-20 17:18:28,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 05:18:27" (2/3) ... [2020-07-20 17:18:28,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dbd5da1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 05:18:28, skipping insertion in model container [2020-07-20 17:18:28,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 05:18:28" (3/3) ... [2020-07-20 17:18:28,699 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-20 17:18:28,711 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 17:18:28,722 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 17:18:28,740 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 17:18:28,775 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 17:18:28,775 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 17:18:28,776 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 17:18:28,776 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 17:18:28,776 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 17:18:28,776 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 17:18:28,776 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 17:18:28,776 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 17:18:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-20 17:18:28,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-20 17:18:28,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:28,812 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] [2020-07-20 17:18:28,812 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:28,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:28,819 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-20 17:18:28,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:28,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1878306444] [2020-07-20 17:18:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:29,021 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:29,022 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:29,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 17:18:29,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:29,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:18:29,063 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:18:29,064 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1878306444] [2020-07-20 17:18:29,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:18:29,066 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 17:18:29,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803836904] [2020-07-20 17:18:29,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 17:18:29,073 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:29,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 17:18:29,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 17:18:29,092 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-07-20 17:18:29,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:29,125 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2020-07-20 17:18:29,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 17:18:29,127 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-20 17:18:29,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:29,138 INFO L225 Difference]: With dead ends: 90 [2020-07-20 17:18:29,138 INFO L226 Difference]: Without dead ends: 42 [2020-07-20 17:18:29,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 17:18:29,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-20 17:18:29,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-20 17:18:29,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-20 17:18:29,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-20 17:18:29,191 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-07-20 17:18:29,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:29,192 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-20 17:18:29,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 17:18:29,192 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-20 17:18:29,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-20 17:18:29,194 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:29,194 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] [2020-07-20 17:18:29,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:29,408 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:29,409 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-07-20 17:18:29,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:29,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1187688484] [2020-07-20 17:18:29,411 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:29,514 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:29,515 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:29,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 17:18:29,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:29,569 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:18:29,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:18:29,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1187688484] [2020-07-20 17:18:29,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:18:29,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 17:18:29,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002561741] [2020-07-20 17:18:29,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 17:18:29,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:29,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 17:18:29,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:18:29,574 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-20 17:18:29,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:29,649 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-07-20 17:18:29,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 17:18:29,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-20 17:18:29,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:29,654 INFO L225 Difference]: With dead ends: 71 [2020-07-20 17:18:29,655 INFO L226 Difference]: Without dead ends: 46 [2020-07-20 17:18:29,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:18:29,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-20 17:18:29,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-07-20 17:18:29,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-20 17:18:29,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-07-20 17:18:29,690 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-07-20 17:18:29,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:29,692 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-07-20 17:18:29,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 17:18:29,692 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-20 17:18:29,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-20 17:18:29,694 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:29,694 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] [2020-07-20 17:18:29,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:29,910 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:29,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:29,912 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-07-20 17:18:29,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:29,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [65294979] [2020-07-20 17:18:29,915 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:30,108 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:18:30,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:30,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 17:18:30,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:30,136 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 17:18:30,137 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:18:30,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [65294979] [2020-07-20 17:18:30,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:18:30,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-20 17:18:30,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1250534845] [2020-07-20 17:18:30,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-20 17:18:30,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:30,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-20 17:18:30,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-20 17:18:30,141 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 4 states. [2020-07-20 17:18:30,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:30,204 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2020-07-20 17:18:30,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-20 17:18:30,205 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-20 17:18:30,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:30,206 INFO L225 Difference]: With dead ends: 66 [2020-07-20 17:18:30,207 INFO L226 Difference]: Without dead ends: 53 [2020-07-20 17:18:30,207 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-20 17:18:30,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-20 17:18:30,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-07-20 17:18:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-20 17:18:30,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-07-20 17:18:30,217 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 34 [2020-07-20 17:18:30,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:30,218 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-07-20 17:18:30,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-20 17:18:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-07-20 17:18:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-20 17:18:30,220 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:30,220 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] [2020-07-20 17:18:30,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:30,435 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:30,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:30,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1586404999, now seen corresponding path program 1 times [2020-07-20 17:18:30,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:30,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329429183] [2020-07-20 17:18:30,437 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:30,601 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:30,602 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:30,604 INFO L263 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:18:30,607 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 17:18:30,646 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:30,749 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:30,783 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 17:18:30,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329429183] [2020-07-20 17:18:30,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:18:30,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-20 17:18:30,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842105095] [2020-07-20 17:18:30,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 17:18:30,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:30,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 17:18:30,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:18:30,786 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 8 states. [2020-07-20 17:18:30,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:30,861 INFO L93 Difference]: Finished difference Result 77 states and 87 transitions. [2020-07-20 17:18:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:18:30,861 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2020-07-20 17:18:30,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:30,863 INFO L225 Difference]: With dead ends: 77 [2020-07-20 17:18:30,863 INFO L226 Difference]: Without dead ends: 51 [2020-07-20 17:18:30,864 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 74 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:18:30,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-07-20 17:18:30,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 48. [2020-07-20 17:18:30,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-20 17:18:30,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-07-20 17:18:30,873 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 42 [2020-07-20 17:18:30,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:30,874 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-07-20 17:18:30,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 17:18:30,874 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-07-20 17:18:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 17:18:30,877 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:30,877 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:31,091 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:31,092 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:31,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:31,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1073302620, now seen corresponding path program 2 times [2020-07-20 17:18:31,093 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:31,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674790928] [2020-07-20 17:18:31,094 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:31,411 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:31,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:31,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 34 conjunts are in the unsatisfiable core [2020-07-20 17:18:31,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:31,501 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-20 17:18:31,502 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:31,506 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:31,507 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:31,507 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-20 17:18:31,696 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:31,697 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 43 [2020-07-20 17:18:31,699 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 17:18:31,702 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:31,718 INFO L624 ElimStorePlain]: treesize reduction 16, result has 56.8 percent of original size [2020-07-20 17:18:31,719 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:31,719 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:47, output treesize:21 [2020-07-20 17:18:31,762 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:18:31,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:32,039 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 40 [2020-07-20 17:18:32,040 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-20 17:18:32,053 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:32,053 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:32,054 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:32, output treesize:27 [2020-07-20 17:18:32,129 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:18:32,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674790928] [2020-07-20 17:18:32,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:18:32,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 20 [2020-07-20 17:18:32,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647574118] [2020-07-20 17:18:32,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-20 17:18:32,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:32,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-20 17:18:32,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2020-07-20 17:18:32,132 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 20 states. [2020-07-20 17:18:41,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:41,198 INFO L93 Difference]: Finished difference Result 118 states and 143 transitions. [2020-07-20 17:18:41,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-20 17:18:41,198 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 51 [2020-07-20 17:18:41,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:41,203 INFO L225 Difference]: With dead ends: 118 [2020-07-20 17:18:41,204 INFO L226 Difference]: Without dead ends: 116 [2020-07-20 17:18:41,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 81 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-07-20 17:18:41,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-20 17:18:41,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 74. [2020-07-20 17:18:41,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-07-20 17:18:41,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 88 transitions. [2020-07-20 17:18:41,237 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 88 transitions. Word has length 51 [2020-07-20 17:18:41,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:41,238 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 88 transitions. [2020-07-20 17:18:41,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-20 17:18:41,238 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 88 transitions. [2020-07-20 17:18:41,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 17:18:41,241 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:41,241 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:41,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:41,443 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:41,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:41,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1257353349, now seen corresponding path program 1 times [2020-07-20 17:18:41,444 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:41,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099569372] [2020-07-20 17:18:41,445 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:41,754 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:18:41,755 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:41,757 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:18:41,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:41,794 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 17:18:41,795 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:18:41,795 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099569372] [2020-07-20 17:18:41,795 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:18:41,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:18:41,796 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225007663] [2020-07-20 17:18:41,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:18:41,797 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:41,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:18:41,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:18:41,798 INFO L87 Difference]: Start difference. First operand 74 states and 88 transitions. Second operand 6 states. [2020-07-20 17:18:41,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:41,872 INFO L93 Difference]: Finished difference Result 107 states and 126 transitions. [2020-07-20 17:18:41,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:18:41,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-20 17:18:41,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:41,874 INFO L225 Difference]: With dead ends: 107 [2020-07-20 17:18:41,874 INFO L226 Difference]: Without dead ends: 61 [2020-07-20 17:18:41,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:18:41,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-20 17:18:41,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-07-20 17:18:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-20 17:18:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-07-20 17:18:41,885 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 52 [2020-07-20 17:18:41,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:41,886 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-07-20 17:18:41,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:18:41,886 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-07-20 17:18:41,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 17:18:41,887 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:41,887 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:42,101 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:42,102 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:42,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:42,103 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 1 times [2020-07-20 17:18:42,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:42,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419711636] [2020-07-20 17:18:42,104 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:42,441 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:18:42,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:42,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 17:18:42,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:42,521 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:18:42,522 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:42,639 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:42,709 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 17:18:42,709 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419711636] [2020-07-20 17:18:42,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:18:42,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 12 [2020-07-20 17:18:42,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297193114] [2020-07-20 17:18:42,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 17:18:42,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:42,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 17:18:42,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-07-20 17:18:42,712 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 9 states. [2020-07-20 17:18:42,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:42,829 INFO L93 Difference]: Finished difference Result 82 states and 93 transitions. [2020-07-20 17:18:42,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 17:18:42,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 52 [2020-07-20 17:18:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:42,831 INFO L225 Difference]: With dead ends: 82 [2020-07-20 17:18:42,831 INFO L226 Difference]: Without dead ends: 67 [2020-07-20 17:18:42,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 87 SyntacticMatches, 6 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-20 17:18:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-20 17:18:42,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-07-20 17:18:42,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-20 17:18:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-20 17:18:42,844 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 52 [2020-07-20 17:18:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:42,844 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-20 17:18:42,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 17:18:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-20 17:18:42,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 17:18:42,846 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:42,846 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:43,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:43,055 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:43,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:43,056 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721938, now seen corresponding path program 1 times [2020-07-20 17:18:43,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:43,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1711843931] [2020-07-20 17:18:43,058 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:43,338 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:43,338 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:43,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 91 conjunts are in the unsatisfiable core [2020-07-20 17:18:43,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:43,363 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-20 17:18:43,364 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,366 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,366 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,367 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-20 17:18:43,442 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,443 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-20 17:18:43,444 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:18:43,445 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,447 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,448 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,448 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-20 17:18:43,472 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 17:18:43,473 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,480 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,484 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 17:18:43,485 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,491 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,492 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,493 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:10 [2020-07-20 17:18:43,733 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2020-07-20 17:18:43,733 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,744 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,744 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,745 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2020-07-20 17:18:43,809 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2020-07-20 17:18:43,810 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,820 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,841 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:43,842 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 109 [2020-07-20 17:18:43,846 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-07-20 17:18:43,846 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:18:43,847 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,874 INFO L624 ElimStorePlain]: treesize reduction 48, result has 43.5 percent of original size [2020-07-20 17:18:43,874 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:43,875 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:127, output treesize:37 [2020-07-20 17:18:44,504 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,505 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 228 treesize of output 184 [2020-07-20 17:18:44,507 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-20 17:18:44,512 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-20 17:18:44,514 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:44,557 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,573 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,574 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 160 treesize of output 128 [2020-07-20 17:18:44,576 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-20 17:18:44,580 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-20 17:18:44,583 INFO L544 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:44,658 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,672 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,673 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 112 treesize of output 92 [2020-07-20 17:18:44,675 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-20 17:18:44,677 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 4 disjuncts [2020-07-20 17:18:44,679 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:44,743 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:44,746 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-20 17:18:44,747 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 17:18:44,748 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-20 17:18:44,751 INFO L501 QuantifierPusher]: Distributing 4 conjuncts over 3 disjuncts [2020-07-20 17:18:44,757 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-20 17:18:44,761 INFO L544 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:44,762 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 8 variables, input treesize:228, output treesize:44 [2020-07-20 17:18:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 17:18:44,869 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:45,031 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:45,033 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:45,482 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:45,487 INFO L440 ElimStorePlain]: Different costs {1=[|v_#memory_int_93|], 2=[|v_#memory_$Pointer$.offset_91|, |v_#memory_$Pointer$.base_91|]} [2020-07-20 17:18:45,498 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 76 [2020-07-20 17:18:45,498 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-20 17:18:45,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 17:18:45,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 17:18:45,505 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:45,552 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:45,560 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-07-20 17:18:45,565 INFO L544 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:45,595 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:45,605 INFO L544 ElimStorePlain]: Start of recursive call 6: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 3 xjuncts. [2020-07-20 17:18:45,610 INFO L544 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:45,632 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:45,633 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2020-07-20 17:18:45,633 INFO L244 ElimStorePlain]: Needed 7 recursive calls to eliminate 3 variables, input treesize:289, output treesize:104 [2020-07-20 17:18:45,779 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1711843931] [2020-07-20 17:18:45,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:18:45,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-07-20 17:18:45,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513891843] [2020-07-20 17:18:45,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-07-20 17:18:45,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:45,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-07-20 17:18:45,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1166, Unknown=0, NotChecked=0, Total=1260 [2020-07-20 17:18:45,782 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 28 states. [2020-07-20 17:18:48,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:48,960 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions. [2020-07-20 17:18:48,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-20 17:18:48,961 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 53 [2020-07-20 17:18:48,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:48,963 INFO L225 Difference]: With dead ends: 108 [2020-07-20 17:18:48,964 INFO L226 Difference]: Without dead ends: 106 [2020-07-20 17:18:48,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 545 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=278, Invalid=3028, Unknown=0, NotChecked=0, Total=3306 [2020-07-20 17:18:48,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-20 17:18:48,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 90. [2020-07-20 17:18:48,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-07-20 17:18:48,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 108 transitions. [2020-07-20 17:18:48,989 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 108 transitions. Word has length 53 [2020-07-20 17:18:48,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:48,990 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 108 transitions. [2020-07-20 17:18:48,990 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-07-20 17:18:48,990 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 108 transitions. [2020-07-20 17:18:48,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 17:18:48,995 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:48,995 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:49,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:49,196 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:49,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:49,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1450483023, now seen corresponding path program 2 times [2020-07-20 17:18:49,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:49,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169625032] [2020-07-20 17:18:49,198 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:49,451 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:49,451 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:49,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:18:49,455 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:49,498 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 17:18:49,498 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:49,610 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 17:18:49,610 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169625032] [2020-07-20 17:18:49,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:18:49,611 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-20 17:18:49,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418383677] [2020-07-20 17:18:49,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:18:49,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:49,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:18:49,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:18:49,612 INFO L87 Difference]: Start difference. First operand 90 states and 108 transitions. Second operand 7 states. [2020-07-20 17:18:49,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:49,685 INFO L93 Difference]: Finished difference Result 130 states and 156 transitions. [2020-07-20 17:18:49,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:18:49,686 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-07-20 17:18:49,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:49,688 INFO L225 Difference]: With dead ends: 130 [2020-07-20 17:18:49,688 INFO L226 Difference]: Without dead ends: 86 [2020-07-20 17:18:49,690 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 17:18:49,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-07-20 17:18:49,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2020-07-20 17:18:49,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-07-20 17:18:49,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 100 transitions. [2020-07-20 17:18:49,714 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 100 transitions. Word has length 54 [2020-07-20 17:18:49,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:49,715 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 100 transitions. [2020-07-20 17:18:49,715 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:18:49,715 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 100 transitions. [2020-07-20 17:18:49,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-07-20 17:18:49,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:49,717 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:49,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:49,932 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:49,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:49,933 INFO L82 PathProgramCache]: Analyzing trace with hash 416246309, now seen corresponding path program 3 times [2020-07-20 17:18:49,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:49,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1050159742] [2020-07-20 17:18:49,934 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:50,204 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 17:18:50,205 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:50,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:18:50,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:50,250 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 17:18:50,251 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:50,352 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 17:18:50,353 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1050159742] [2020-07-20 17:18:50,353 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:18:50,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-20 17:18:50,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989389547] [2020-07-20 17:18:50,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:18:50,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:50,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:18:50,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:18:50,354 INFO L87 Difference]: Start difference. First operand 86 states and 100 transitions. Second operand 7 states. [2020-07-20 17:18:50,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:18:50,424 INFO L93 Difference]: Finished difference Result 121 states and 141 transitions. [2020-07-20 17:18:50,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:18:50,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 54 [2020-07-20 17:18:50,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:18:50,427 INFO L225 Difference]: With dead ends: 121 [2020-07-20 17:18:50,427 INFO L226 Difference]: Without dead ends: 82 [2020-07-20 17:18:50,429 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 96 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 17:18:50,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-07-20 17:18:50,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-07-20 17:18:50,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-07-20 17:18:50,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 93 transitions. [2020-07-20 17:18:50,451 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 93 transitions. Word has length 54 [2020-07-20 17:18:50,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:18:50,452 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 93 transitions. [2020-07-20 17:18:50,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:18:50,452 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 93 transitions. [2020-07-20 17:18:50,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 17:18:50,453 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:18:50,454 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:18:50,667 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:50,668 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:18:50,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:18:50,668 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 4 times [2020-07-20 17:18:50,668 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:18:50,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1854353345] [2020-07-20 17:18:50,669 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:18:50,968 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:18:50,969 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:18:50,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 130 conjunts are in the unsatisfiable core [2020-07-20 17:18:50,978 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:18:50,989 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-20 17:18:50,990 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:50,996 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:50,996 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:50,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-07-20 17:18:51,088 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,089 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-20 17:18:51,090 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:18:51,091 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,100 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,100 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,101 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2020-07-20 17:18:51,133 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 17:18:51,133 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,145 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,150 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 17:18:51,151 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,161 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,162 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,162 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:23 [2020-07-20 17:18:51,457 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2020-07-20 17:18:51,457 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,469 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,470 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,470 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2020-07-20 17:18:51,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 17:18:51,536 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 84 [2020-07-20 17:18:51,537 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,556 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,561 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 56 [2020-07-20 17:18:51,562 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,577 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:51,577 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:51,577 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:139, output treesize:49 [2020-07-20 17:18:56,639 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 27 [2020-07-20 17:18:56,662 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2020-07-20 17:18:56,664 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:56,693 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:56,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 17:18:56,700 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-07-20 17:18:56,701 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:56,723 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:56,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 17:18:56,747 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 30 [2020-07-20 17:18:56,747 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:56,762 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:56,763 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:56,764 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:90, output treesize:43 [2020-07-20 17:18:57,382 INFO L440 ElimStorePlain]: Different costs {1=[|#memory_$Pointer$.base|, |#memory_$Pointer$.offset|], 2=[|#memory_int|]} [2020-07-20 17:18:57,394 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,395 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 198 treesize of output 166 [2020-07-20 17:18:57,397 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:18:57,399 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-20 17:18:57,401 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:57,454 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,465 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,466 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 164 treesize of output 132 [2020-07-20 17:18:57,468 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 17:18:57,511 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,520 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,520 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 118 treesize of output 94 [2020-07-20 17:18:57,522 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:18:57,524 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-20 17:18:57,525 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:57,585 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:57,587 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 17:18:57,600 INFO L544 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:18:57,601 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 6 variables, input treesize:212, output treesize:50 [2020-07-20 17:18:57,710 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 17:18:57,710 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:18:57,873 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:57,874 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:58,329 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:18:58,341 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:58,350 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:58,374 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:58,378 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:58,381 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:18:58,401 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:18:58,403 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-07-20 17:18:58,403 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:133, output treesize:81 [2020-07-20 17:18:58,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1854353345] [2020-07-20 17:18:58,536 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:18:58,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-20 17:18:58,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910889071] [2020-07-20 17:18:58,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 17:18:58,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:18:58,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 17:18:58,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=1372, Unknown=5, NotChecked=0, Total=1482 [2020-07-20 17:18:58,539 INFO L87 Difference]: Start difference. First operand 82 states and 93 transitions. Second operand 31 states. [2020-07-20 17:19:27,446 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 30 [2020-07-20 17:19:47,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:19:47,388 INFO L93 Difference]: Finished difference Result 118 states and 135 transitions. [2020-07-20 17:19:47,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 17:19:47,389 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-07-20 17:19:47,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:19:47,391 INFO L225 Difference]: With dead ends: 118 [2020-07-20 17:19:47,392 INFO L226 Difference]: Without dead ends: 116 [2020-07-20 17:19:47,394 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 38 SyntacticMatches, 2 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 768 ImplicationChecksByTransitivity, 27.8s TimeCoverageRelationStatistics Valid=366, Invalid=3898, Unknown=26, NotChecked=0, Total=4290 [2020-07-20 17:19:47,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2020-07-20 17:19:47,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 83. [2020-07-20 17:19:47,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-07-20 17:19:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 96 transitions. [2020-07-20 17:19:47,409 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 96 transitions. Word has length 61 [2020-07-20 17:19:47,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:19:47,410 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 96 transitions. [2020-07-20 17:19:47,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-20 17:19:47,410 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 96 transitions. [2020-07-20 17:19:47,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 17:19:47,411 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:19:47,411 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] [2020-07-20 17:19:47,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:47,627 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:19:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:19:47,628 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 5 times [2020-07-20 17:19:47,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:19:47,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962025092] [2020-07-20 17:19:47,629 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:47,981 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:19:47,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:19:47,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 17:19:47,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:19:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 17:19:48,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:19:48,130 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 17:19:48,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962025092] [2020-07-20 17:19:48,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:19:48,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-20 17:19:48,131 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395540686] [2020-07-20 17:19:48,131 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 17:19:48,131 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:19:48,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 17:19:48,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 17:19:48,132 INFO L87 Difference]: Start difference. First operand 83 states and 96 transitions. Second operand 7 states. [2020-07-20 17:19:48,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:19:48,227 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2020-07-20 17:19:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 17:19:48,229 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-20 17:19:48,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:19:48,230 INFO L225 Difference]: With dead ends: 98 [2020-07-20 17:19:48,230 INFO L226 Difference]: Without dead ends: 67 [2020-07-20 17:19:48,231 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-20 17:19:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-20 17:19:48,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-07-20 17:19:48,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-20 17:19:48,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-07-20 17:19:48,243 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-07-20 17:19:48,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:19:48,244 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-07-20 17:19:48,244 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 17:19:48,244 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-07-20 17:19:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-07-20 17:19:48,245 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:19:48,245 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:19:48,458 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:48,459 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:19:48,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:19:48,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1444694179, now seen corresponding path program 1 times [2020-07-20 17:19:48,460 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:19:48,460 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40584113] [2020-07-20 17:19:48,460 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:48,686 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 17:19:48,686 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:19:48,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:19:48,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:19:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 17:19:48,733 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:19:48,806 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-07-20 17:19:48,807 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40584113] [2020-07-20 17:19:48,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 17:19:48,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 17:19:48,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65116760] [2020-07-20 17:19:48,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:19:48,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:19:48,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:19:48,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:19:48,808 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 6 states. [2020-07-20 17:19:48,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:19:48,869 INFO L93 Difference]: Finished difference Result 86 states and 95 transitions. [2020-07-20 17:19:48,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:19:48,873 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-07-20 17:19:48,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:19:48,875 INFO L225 Difference]: With dead ends: 86 [2020-07-20 17:19:48,875 INFO L226 Difference]: Without dead ends: 65 [2020-07-20 17:19:48,875 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 17:19:48,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-07-20 17:19:48,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-07-20 17:19:48,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-07-20 17:19:48,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 71 transitions. [2020-07-20 17:19:48,885 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 71 transitions. Word has length 63 [2020-07-20 17:19:48,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:19:48,885 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 71 transitions. [2020-07-20 17:19:48,885 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:19:48,885 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2020-07-20 17:19:48,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 17:19:48,886 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:19:48,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:19:49,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:49,100 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:19:49,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:19:49,101 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 2 times [2020-07-20 17:19:49,101 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:19:49,101 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929248402] [2020-07-20 17:19:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:49,282 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:19:49,282 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:19:49,284 INFO L263 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 41 conjunts are in the unsatisfiable core [2020-07-20 17:19:49,288 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:19:49,338 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-20 17:19:49,339 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 17:19:49,341 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:19:49,342 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:19:49,342 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-20 17:19:49,973 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:19:49,974 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 98 [2020-07-20 17:19:49,975 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-20 17:19:49,977 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-20 17:19:49,978 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:19:50,073 INFO L624 ElimStorePlain]: treesize reduction 12, result has 87.4 percent of original size [2020-07-20 17:19:50,076 INFO L544 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 17:19:50,077 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:122, output treesize:42 [2020-07-20 17:19:50,188 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 7 proven. 14 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2020-07-20 17:19:50,188 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 17:19:50,610 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 17:19:50,844 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 17:19:50,844 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 17:19:50,845 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 17:19:50,846 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 17:19:50,846 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-20 17:19:50,953 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2020-07-20 17:19:50,954 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 17:19:50,996 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 17:19:51,011 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2020-07-20 17:19:51,013 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2020-07-20 17:19:51,074 INFO L624 ElimStorePlain]: treesize reduction 30, result has 65.1 percent of original size [2020-07-20 17:19:51,074 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-20 17:19:51,075 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:56 [2020-07-20 17:19:51,299 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 6 proven. 14 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 17:19:51,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929248402] [2020-07-20 17:19:51,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 17:19:51,300 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18] total 35 [2020-07-20 17:19:51,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423321755] [2020-07-20 17:19:51,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-07-20 17:19:51,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:19:51,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-07-20 17:19:51,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=126, Invalid=1064, Unknown=0, NotChecked=0, Total=1190 [2020-07-20 17:19:51,302 INFO L87 Difference]: Start difference. First operand 65 states and 71 transitions. Second operand 35 states. [2020-07-20 17:19:53,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:19:53,943 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2020-07-20 17:19:53,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-07-20 17:19:53,944 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 71 [2020-07-20 17:19:53,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:19:53,946 INFO L225 Difference]: With dead ends: 157 [2020-07-20 17:19:53,946 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 17:19:53,948 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 106 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 948 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=427, Invalid=3233, Unknown=0, NotChecked=0, Total=3660 [2020-07-20 17:19:53,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 17:19:53,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 116. [2020-07-20 17:19:53,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2020-07-20 17:19:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 134 transitions. [2020-07-20 17:19:53,965 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 134 transitions. Word has length 71 [2020-07-20 17:19:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:19:53,965 INFO L479 AbstractCegarLoop]: Abstraction has 116 states and 134 transitions. [2020-07-20 17:19:53,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-07-20 17:19:53,966 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 134 transitions. [2020-07-20 17:19:53,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-07-20 17:19:53,967 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 17:19:53,967 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 17:19:54,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:54,181 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 17:19:54,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 17:19:54,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1131984457, now seen corresponding path program 3 times [2020-07-20 17:19:54,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 17:19:54,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183056971] [2020-07-20 17:19:54,182 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:54,939 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 17:19:54,940 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 17:19:54,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 17:19:54,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 17:19:54,968 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-07-20 17:19:54,969 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 17:19:54,969 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183056971] [2020-07-20 17:19:54,969 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 17:19:54,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 17:19:54,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694733254] [2020-07-20 17:19:54,970 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 17:19:54,970 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 17:19:54,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 17:19:54,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-07-20 17:19:54,970 INFO L87 Difference]: Start difference. First operand 116 states and 134 transitions. Second operand 6 states. [2020-07-20 17:19:55,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 17:19:55,050 INFO L93 Difference]: Finished difference Result 143 states and 160 transitions. [2020-07-20 17:19:55,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 17:19:55,050 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2020-07-20 17:19:55,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 17:19:55,051 INFO L225 Difference]: With dead ends: 143 [2020-07-20 17:19:55,051 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 17:19:55,052 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2020-07-20 17:19:55,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 17:19:55,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 17:19:55,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 17:19:55,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 17:19:55,053 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 79 [2020-07-20 17:19:55,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 17:19:55,053 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 17:19:55,053 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 17:19:55,053 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 17:19:55,054 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 17:19:55,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 17:19:55,257 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 17:19:55,412 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 83 [2020-07-20 17:19:55,864 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 34 [2020-07-20 17:19:56,049 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2020-07-20 17:19:56,185 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 1 [2020-07-20 17:19:56,576 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 73 [2020-07-20 17:19:56,796 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 54 [2020-07-20 17:19:57,065 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 44 [2020-07-20 17:19:57,248 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2020-07-20 17:19:57,253 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:19:57,254 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-20 17:19:57,254 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:19:57,254 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-20 17:19:57,254 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-20 17:19:57,255 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-20 17:19:57,255 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-20 17:19:57,255 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-20 17:19:57,255 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-20 17:19:57,255 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-20 17:19:57,255 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse6 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse7 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (let ((.cse0 (and .cse6 (<= 2 |sll_update_at_#in~index|) .cse7))) (and (or .cse0 (< sll_update_at_~index 2)) (let ((.cse1 (<= 1 |sll_update_at_#in~index|)) (.cse2 (<= sll_update_at_~index 0)) (.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= sll_update_at_~data |sll_update_at_#in~data|))) (or (let ((.cse3 (+ |sll_update_at_#in~head.offset| 4))) (and .cse1 .cse2 (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse3) sll_update_at_~head.offset) .cse4 .cse5 .cse6 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse3)) .cse7)) (and (or .cse1 .cse2) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse4 .cse5 .cse6 (<= |sll_update_at_#in~index| sll_update_at_~index) .cse7) .cse0))))) [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-20 17:19:57,256 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 0 sll_create_~head~0.offset)) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0 .cse1) (let ((.cse2 (+ sll_create_~head~0.offset 4))) (and (= 0 (select (select |#memory_$Pointer$.offset| sll_create_~head~0.base) .cse2)) (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) .cse2) sll_create_~head~0.base)) .cse0 .cse1)))) [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-20 17:19:57,257 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 17:19:57,258 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 17:19:57,258 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 17:19:57,258 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 17:19:57,258 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-20 17:19:57,258 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-20 17:19:57,258 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (<= 2 |sll_get_data_at_#in~index|) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) (<= 1 |sll_get_data_at_#in~index|) (<= sll_get_data_at_~index 0) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0)))) (forall ((v_main_~s~0.base_BEFORE_CALL_11 Int) (v_main_~s~0.offset_BEFORE_CALL_11 Int)) (let ((.cse1 (select (select |#memory_int| v_main_~s~0.base_BEFORE_CALL_11) v_main_~s~0.offset_BEFORE_CALL_11))) (or (not (= 0 (mod .cse1 2))) (not (<= (div (+ .cse1 2) 2) 2))))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (or (< 0 sll_get_data_at_~index) (<= |sll_get_data_at_#in~index| 0)) (<= sll_get_data_at_~index |sll_get_data_at_#in~index|)) (forall ((v_main_~expected~0_BEFORE_CALL_5 Int) (v_main_~s~0.base_BEFORE_CALL_9 Int)) (let ((.cse5 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_9) 4)) (.cse4 (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_9) 4))) (let ((.cse3 (select (select |#memory_int| .cse5) .cse4))) (let ((.cse2 (div (+ (* v_main_~expected~0_BEFORE_CALL_5 (- 2)) .cse3 1) (- 2)))) (or (not (<= v_main_~expected~0_BEFORE_CALL_5 (+ .cse2 2))) (not (= 0 (mod (+ .cse3 1) (- 2)))) (not (= 0 .cse4)) (= .cse5 v_main_~s~0.base_BEFORE_CALL_9) (not (<= (+ (* 2 .cse2) 1) v_main_~expected~0_BEFORE_CALL_5)))))))) [2020-07-20 17:19:57,258 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-20 17:19:57,258 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-20 17:19:57,259 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse6 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse6)) (.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse6))) (let ((.cse3 (not (= .cse1 main_~s~0.base))) (.cse4 (= 0 main_~s~0.offset)) (.cse5 (= 0 .cse2)) (.cse0 (* main_~len~0 2))) (or (and (<= main_~len~0 2) (= (+ main_~new_data~0 2) .cse0) (= .cse0 (+ (select (select |#memory_int| .cse1) .cse2) 1)) (<= 2 main_~len~0) .cse3 .cse4 .cse5 (= main_~len~0 (+ main_~i~0 2))) (and (= main_~len~0 (+ main_~i~0 1)) .cse3 .cse4 (<= main_~i~0 1) .cse5 (= .cse0 (+ main_~new_data~0 1)) (<= 1 main_~i~0)))))) [2020-07-20 17:19:57,259 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-20 17:19:57,259 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-20 17:19:57,259 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse1 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse1)) (.cse0 (* main_~len~0 2))) (and (<= main_~len~0 2) (= (+ main_~new_data~0 2) .cse0) (= .cse0 (+ (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse1)) .cse2) 1)) (<= 2 main_~len~0) (= 0 main_~s~0.offset) (<= main_~i~0 1) (= 0 .cse2) (= .cse0 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2))))) [2020-07-20 17:19:57,259 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-07-20 17:19:57,259 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 17:19:57,260 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse7 (* main_~len~0 2)) (.cse8 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10)) (.cse9 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10))) (let ((.cse0 (not (= .cse9 main_~s~0.base))) (.cse4 (<= main_~len~0 2)) (.cse5 (= .cse7 (+ (select (select |#memory_int| .cse9) .cse8) 1))) (.cse6 (<= 2 main_~len~0)) (.cse1 (= 0 main_~s~0.offset)) (.cse2 (<= main_~i~0 1)) (.cse3 (= 0 .cse8))) (or (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 .cse2 .cse3 (<= 1 main_~i~0)) (and .cse4 .cse5 .cse6 .cse0 .cse1 .cse3 (= main_~len~0 (+ main_~i~0 2))) (and .cse4 (= (+ main_~new_data~0 2) .cse7) .cse5 .cse6 .cse1 .cse2 .cse3 (= .cse7 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2))))))) [2020-07-20 17:19:57,260 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-20 17:19:57,260 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-20 17:19:57,260 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-20 17:19:57,260 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-20 17:19:57,260 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-20 17:19:57,260 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-20 17:19:57,261 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 17:19:57,261 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 17:19:57,261 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse9 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse10))) (let ((.cse8 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse10)) .cse9)) (.cse7 (* main_~len~0 2))) (let ((.cse0 (= (+ main_~new_data~0 2) .cse7)) (.cse1 (= .cse7 (+ .cse8 1))) (.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse2 (<= main_~expected~0 (+ main_~i~0 2))) (.cse3 (= 0 main_~s~0.offset)) (.cse4 (= 0 .cse9)) (.cse5 (= (* main_~expected~0 2) (+ (* main_~i~0 2) .cse8 1)))) (or (and (<= 0 main_~i~0) .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 (<= (+ (* 2 (div (+ (* main_~expected~0 (- 2)) .cse6 2) (- 2))) 2) main_~expected~0) (= .cse7 (+ .cse6 2))) (and .cse0 .cse1 (= (+ main_~i~0 main_~len~0) (+ .cse6 1)) (<= 2 main_~len~0) .cse2 .cse3 .cse4 (<= main_~i~0 1) .cse5 (<= 1 main_~i~0))))))) [2020-07-20 17:19:57,261 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-20 17:19:57,261 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-20 17:19:57,261 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 17:19:57,261 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-20 17:19:57,261 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-20 17:19:57,262 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-20 17:19:57,262 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-20 17:19:57,262 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-20 17:19:57,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,272 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,273 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,274 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,276 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,285 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,286 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,286 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,290 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,293 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,293 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,294 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,294 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,295 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,295 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,296 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,296 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,296 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,296 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,297 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,297 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,298 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,299 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,300 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,301 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,309 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,310 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,310 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,311 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,311 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,312 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,312 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,313 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,314 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,315 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,316 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,317 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,318 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,318 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,319 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,320 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,321 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,322 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,323 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,323 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,324 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,325 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,326 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,327 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,327 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,328 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,329 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,330 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,331 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,332 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,333 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,334 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,335 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,336 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,337 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,338 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,339 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,340 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,340 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,341 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,342 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,343 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,344 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,345 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,345 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,346 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,347 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,347 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,348 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,349 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,350 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 05:19:57 BoogieIcfgContainer [2020-07-20 17:19:57,352 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 17:19:57,354 INFO L168 Benchmark]: Toolchain (without parser) took 90187.96 ms. Allocated memory was 146.3 MB in the beginning and 375.9 MB in the end (delta: 229.6 MB). Free memory was 102.7 MB in the beginning and 142.1 MB in the end (delta: -39.4 MB). Peak memory consumption was 232.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,355 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.60 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 171.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,356 INFO L168 Benchmark]: Boogie Preprocessor took 69.45 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 168.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,356 INFO L168 Benchmark]: RCFGBuilder took 760.29 ms. Allocated memory is still 206.0 MB. Free memory was 168.2 MB in the beginning and 121.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,356 INFO L168 Benchmark]: TraceAbstraction took 88673.82 ms. Allocated memory was 206.0 MB in the beginning and 375.9 MB in the end (delta: 169.9 MB). Free memory was 120.5 MB in the beginning and 142.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. [2020-07-20 17:19:57,358 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 146.3 MB. Free memory was 122.5 MB in the beginning and 122.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 675.60 ms. Allocated memory was 146.3 MB in the beginning and 206.0 MB in the end (delta: 59.8 MB). Free memory was 102.5 MB in the beginning and 171.5 MB in the end (delta: -69.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.45 ms. Allocated memory is still 206.0 MB. Free memory was 171.5 MB in the beginning and 168.2 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 760.29 ms. Allocated memory is still 206.0 MB. Free memory was 168.2 MB in the beginning and 121.1 MB in the end (delta: 47.1 MB). Peak memory consumption was 47.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 88673.82 ms. Allocated memory was 206.0 MB in the beginning and 375.9 MB in the end (delta: 169.9 MB). Free memory was 120.5 MB in the beginning and 142.1 MB in the end (delta: -21.6 MB). Peak memory consumption was 190.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_$Pointer$ * 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 [2020-07-20 17:19:57,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,371 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,371 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,372 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,372 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,373 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,373 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,374 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,374 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,375 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,376 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,376 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,376 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,377 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,378 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,379 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,379 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,380 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,380 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_11,QUANTIFIED] [2020-07-20 17:19:57,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,381 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,381 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,382 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,382 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,383 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,384 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_9,QUANTIFIED] [2020-07-20 17:19:57,384 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~expected~0_BEFORE_CALL_5,QUANTIFIED] [2020-07-20 17:19:57,384 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,385 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,386 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,387 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) || (((head == #memory_$Pointer$[head][head + 4] && 1 <= \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4])) || (forall v_main_~s~0.base_BEFORE_CALL_11 : int, v_main_~s~0.offset_BEFORE_CALL_11 : int :: !(0 == unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_11][v_main_~s~0.offset_BEFORE_CALL_11] % 2) || !((unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_11][v_main_~s~0.offset_BEFORE_CALL_11] + 2) / 2 <= 2))) || (((head == head && head == head) && (0 < index || \old(index) <= 0)) && index <= \old(index))) || (forall v_main_~expected~0_BEFORE_CALL_5 : int, v_main_~s~0.base_BEFORE_CALL_9 : int :: (((!(v_main_~expected~0_BEFORE_CALL_5 <= (v_main_~expected~0_BEFORE_CALL_5 * -2 + unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]] + 1) / -2 + 2) || !(0 == (unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]] + 1) % -2)) || !(0 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4])) || #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4] == v_main_~s~0.base_BEFORE_CALL_9) || !(2 * ((v_main_~expected~0_BEFORE_CALL_5 * -2 + unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_9][4]] + 1) / -2) + 1 <= v_main_~expected~0_BEFORE_CALL_5)) - InvariantResult [Line: 611]: Loop Invariant [2020-07-20 17:19:57,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,388 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,389 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,389 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,390 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,390 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,391 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((len <= 2 && new_data + 2 == len * 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && 0 == s) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2 - InvariantResult [Line: 596]: Loop Invariant [2020-07-20 17:19:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,392 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,393 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,394 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,395 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,395 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,396 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,397 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,398 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,399 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,399 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,400 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,401 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,402 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,403 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,403 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,404 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,405 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,406 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((#memory_$Pointer$ == \old(#memory_$Pointer$) && 2 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || index < 2) && (((((((((1 <= \old(index) && index <= 0) && #memory_$Pointer$[head][head + 4] == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == #memory_$Pointer$[head][head + 4]) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((((((1 <= \old(index) || index <= 0) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((#memory_$Pointer$ == \old(#memory_$Pointer$) && 2 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 607]: Loop Invariant [2020-07-20 17:19:57,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,407 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,408 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,409 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,409 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,410 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,411 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,412 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,413 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,414 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,415 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,416 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((len == i + 1 && !(#memory_$Pointer$[s][s + 4] == s)) && 0 == s) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4]) && 1 <= i) || ((((((len <= 2 && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && 0 == s) && 0 == #memory_$Pointer$[s][s + 4]) && len == i + 2)) || (((((((len <= 2 && new_data + 2 == len * 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && 0 == s) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4]) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-20 17:19:57,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,416 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,417 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,417 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,418 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,418 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 17:19:57,419 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 17:19:57,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,419 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 17:19:57,420 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((\valid == \old(\valid) && \old(len) <= len) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((\old(len) <= len + 1 && 0 == head) && 1 == \valid[head])) || (((0 == #memory_$Pointer$[head][head + 4] && !(#memory_$Pointer$[head][head + 4] == head)) && 0 == head) && 1 == \valid[head]) - InvariantResult [Line: 602]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 86.4s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 64.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 621 SDtfs, 732 SDslu, 3109 SDs, 0 SdLazy, 4062 SolverSat, 449 SolverUnsat, 38 SolverUnknown, 0 SolverNotchecked, 38.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1344 GetRequests, 1038 SyntacticMatches, 32 SemanticMatches, 274 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2404 ImplicationChecksByTransitivity, 34.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=116occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 142 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 96 PreInvPairs, 140 NumberOfFragments, 949 HoareAnnotationTreeSize, 96 FomulaSimplifications, 8525 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 24 FomulaSimplificationsInter, 2975 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 13.9s InterpolantComputationTime, 778 NumberOfCodeBlocks, 637 NumberOfCodeBlocksAsserted, 48 NumberOfCheckSat, 1204 ConstructedInterpolants, 30 QuantifiedInterpolants, 386480 SizeOfPredicates, 111 NumberOfNonLiveVariables, 3461 ConjunctsInSsa, 350 ConjunctsInUnsatCore, 23 InterpolantComputations, 10 PerfectInterpolantSequences, 325/392 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...