/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 2 -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 [2020-07-21 16:27:15,170 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 16:27:15,173 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 16:27:15,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 16:27:15,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 16:27:15,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 16:27:15,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 16:27:15,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 16:27:15,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 16:27:15,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 16:27:15,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 16:27:15,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 16:27:15,200 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 16:27:15,201 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 16:27:15,202 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 16:27:15,203 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 16:27:15,204 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 16:27:15,205 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 16:27:15,207 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 16:27:15,209 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 16:27:15,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 16:27:15,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 16:27:15,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 16:27:15,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 16:27:15,219 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 16:27:15,219 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 16:27:15,220 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 16:27:15,220 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 16:27:15,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 16:27:15,222 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 16:27:15,222 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 16:27:15,223 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 16:27:15,224 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 16:27:15,225 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 16:27:15,226 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 16:27:15,226 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 16:27:15,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 16:27:15,227 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 16:27:15,227 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 16:27:15,228 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 16:27:15,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 16:27:15,230 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 [2020-07-21 16:27:15,245 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 16:27:15,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 16:27:15,246 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 16:27:15,247 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 16:27:15,247 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 16:27:15,247 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 16:27:15,247 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 16:27:15,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 16:27:15,248 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 16:27:15,248 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 16:27:15,248 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 16:27:15,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 16:27:15,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 16:27:15,249 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 16:27:15,249 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 16:27:15,249 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 16:27:15,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 16:27:15,250 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 16:27:15,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 16:27:15,250 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 16:27:15,250 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 16:27:15,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 16:27:15,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 16:27:15,251 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 16:27:15,251 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 16:27:15,251 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 16:27:15,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:15,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 16:27:15,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 16:27:15,252 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 -> 2 [2020-07-21 16:27:15,549 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 16:27:15,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 16:27:15,567 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 16:27:15,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 16:27:15,568 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 16:27:15,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 16:27:15,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a245d06/671332db4dc44a4692d27cc602dcc751/FLAG5f783e1f1 [2020-07-21 16:27:16,101 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 16:27:16,102 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 16:27:16,115 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a245d06/671332db4dc44a4692d27cc602dcc751/FLAG5f783e1f1 [2020-07-21 16:27:16,400 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e2a245d06/671332db4dc44a4692d27cc602dcc751 [2020-07-21 16:27:16,409 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 16:27:16,411 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 16:27:16,412 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 16:27:16,412 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 16:27:16,416 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 16:27:16,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:27:16" (1/1) ... [2020-07-21 16:27:16,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1751f7d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:16, skipping insertion in model container [2020-07-21 16:27:16,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 04:27:16" (1/1) ... [2020-07-21 16:27:16,427 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 16:27:16,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 16:27:16,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:27:16,995 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 16:27:17,079 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 16:27:17,147 INFO L208 MainTranslator]: Completed translation [2020-07-21 16:27:17,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17 WrapperNode [2020-07-21 16:27:17,148 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 16:27:17,149 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 16:27:17,149 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 16:27:17,149 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 16:27:17,164 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,245 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,251 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (1/1) ... [2020-07-21 16:27:17,258 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 16:27:17,258 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 16:27:17,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 16:27:17,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 16:27:17,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (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 [2020-07-21 16:27:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 16:27:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 16:27:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-21 16:27:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-21 16:27:17,330 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-21 16:27:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-21 16:27:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-21 16:27:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-21 16:27:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-21 16:27:17,331 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-21 16:27:17,332 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 16:27:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 16:27:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-21 16:27:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-21 16:27:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-21 16:27:17,332 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-21 16:27:17,333 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-21 16:27:17,334 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-21 16:27:17,335 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-21 16:27:17,336 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-21 16:27:17,337 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-21 16:27:17,338 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-21 16:27:17,339 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 16:27:17,340 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-21 16:27:17,341 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 16:27:17,342 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-21 16:27:17,343 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-21 16:27:17,344 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-21 16:27:17,345 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-21 16:27:17,346 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-21 16:27:17,347 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 16:27:17,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-21 16:27:17,349 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 16:27:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-21 16:27:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 16:27:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 16:27:17,350 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 16:27:17,729 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-21 16:27:17,847 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 16:27:17,848 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-21 16:27:17,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:27:17 BoogieIcfgContainer [2020-07-21 16:27:17,852 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 16:27:17,853 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 16:27:17,853 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 16:27:17,857 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 16:27:17,857 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 04:27:16" (1/3) ... [2020-07-21 16:27:17,858 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b4865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:27:17, skipping insertion in model container [2020-07-21 16:27:17,858 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 04:27:17" (2/3) ... [2020-07-21 16:27:17,859 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b4865 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 04:27:17, skipping insertion in model container [2020-07-21 16:27:17,859 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 04:27:17" (3/3) ... [2020-07-21 16:27:17,860 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-21 16:27:17,871 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 16:27:17,880 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 16:27:17,894 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 16:27:17,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 16:27:17,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 16:27:17,919 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 16:27:17,920 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 16:27:17,920 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 16:27:17,920 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 16:27:17,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 16:27:17,921 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 16:27:17,941 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 16:27:17,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 16:27:17,948 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:17,949 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] [2020-07-21 16:27:17,950 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:17,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:17,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-21 16:27:17,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:17,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135588782] [2020-07-21 16:27:17,966 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:18,199 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:18,200 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:18,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 16:27:18,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:27:18,244 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:27:18,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135588782] [2020-07-21 16:27:18,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:27:18,246 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 16:27:18,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932991666] [2020-07-21 16:27:18,252 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 16:27:18,253 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:18,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 16:27:18,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 16:27:18,271 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-07-21 16:27:18,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:18,315 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2020-07-21 16:27:18,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 16:27:18,316 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-21 16:27:18,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:18,334 INFO L225 Difference]: With dead ends: 90 [2020-07-21 16:27:18,335 INFO L226 Difference]: Without dead ends: 42 [2020-07-21 16:27:18,340 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 [2020-07-21 16:27:18,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-21 16:27:18,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-21 16:27:18,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-21 16:27:18,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-21 16:27:18,392 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-07-21 16:27:18,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:18,392 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-21 16:27:18,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 16:27:18,393 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-21 16:27:18,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 16:27:18,394 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:18,394 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] [2020-07-21 16:27:18,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:18,602 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:18,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:18,605 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-07-21 16:27:18,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:18,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443456451] [2020-07-21 16:27:18,606 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:18,732 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:18,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:18,734 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 16:27:18,736 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 16:27:18,782 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:27:18,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443456451] [2020-07-21 16:27:18,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:27:18,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 16:27:18,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885387157] [2020-07-21 16:27:18,785 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 16:27:18,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:18,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 16:27:18,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 16:27:18,788 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-21 16:27:18,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:18,857 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-07-21 16:27:18,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 16:27:18,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-21 16:27:18,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:18,860 INFO L225 Difference]: With dead ends: 71 [2020-07-21 16:27:18,860 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 16:27:18,861 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 [2020-07-21 16:27:18,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 16:27:18,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-07-21 16:27:18,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-21 16:27:18,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-07-21 16:27:18,874 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-07-21 16:27:18,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:18,874 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-07-21 16:27:18,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 16:27:18,874 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-21 16:27:18,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-21 16:27:18,876 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:18,876 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] [2020-07-21 16:27:19,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:19,090 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:19,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:19,091 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-07-21 16:27:19,092 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:19,093 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1240228269] [2020-07-21 16:27:19,094 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:19,218 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:19,219 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:19,220 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 16:27:19,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:19,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 16:27:19,241 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:27:19,242 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1240228269] [2020-07-21 16:27:19,242 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:27:19,242 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 16:27:19,242 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164078298] [2020-07-21 16:27:19,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 16:27:19,243 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:19,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 16:27:19,244 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 16:27:19,244 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 4 states. [2020-07-21 16:27:19,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:19,283 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2020-07-21 16:27:19,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 16:27:19,284 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-21 16:27:19,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:19,286 INFO L225 Difference]: With dead ends: 66 [2020-07-21 16:27:19,286 INFO L226 Difference]: Without dead ends: 53 [2020-07-21 16:27:19,286 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 [2020-07-21 16:27:19,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-21 16:27:19,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-07-21 16:27:19,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-21 16:27:19,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-07-21 16:27:19,295 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 34 [2020-07-21 16:27:19,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:19,295 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-07-21 16:27:19,295 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 16:27:19,295 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-07-21 16:27:19,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-21 16:27:19,297 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:19,297 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] [2020-07-21 16:27:19,510 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:19,511 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:19,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:19,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1586404999, now seen corresponding path program 1 times [2020-07-21 16:27:19,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:19,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716966147] [2020-07-21 16:27:19,512 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:19,666 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:19,666 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:19,667 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:27:19,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:19,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 16:27:19,704 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:27:19,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716966147] [2020-07-21 16:27:19,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:27:19,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:27:19,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838062999] [2020-07-21 16:27:19,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:27:19,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:19,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:27:19,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:27:19,707 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 6 states. [2020-07-21 16:27:19,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:19,781 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-07-21 16:27:19,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:27:19,781 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-21 16:27:19,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:19,785 INFO L225 Difference]: With dead ends: 78 [2020-07-21 16:27:19,785 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 16:27:19,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:27:19,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 16:27:19,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2020-07-21 16:27:19,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-21 16:27:19,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-07-21 16:27:19,795 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 42 [2020-07-21 16:27:19,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:19,796 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-07-21 16:27:19,796 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:27:19,796 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-07-21 16:27:19,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 16:27:19,798 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:19,798 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 16:27:20,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:20,012 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:20,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:20,013 INFO L82 PathProgramCache]: Analyzing trace with hash 643032100, now seen corresponding path program 1 times [2020-07-21 16:27:20,013 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:20,013 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1213524129] [2020-07-21 16:27:20,013 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:20,135 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:20,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:20,137 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:27:20,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:20,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 16:27:20,168 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:27:20,259 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:27:20,270 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 16:27:20,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1213524129] [2020-07-21 16:27:20,271 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:27:20,271 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-21 16:27:20,271 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453012268] [2020-07-21 16:27:20,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 16:27:20,272 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:20,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 16:27:20,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:27:20,273 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-07-21 16:27:20,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:20,320 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2020-07-21 16:27:20,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:27:20,321 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-07-21 16:27:20,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:20,322 INFO L225 Difference]: With dead ends: 87 [2020-07-21 16:27:20,322 INFO L226 Difference]: Without dead ends: 56 [2020-07-21 16:27:20,323 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:27:20,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-21 16:27:20,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2020-07-21 16:27:20,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-21 16:27:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-07-21 16:27:20,332 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 43 [2020-07-21 16:27:20,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:20,332 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-07-21 16:27:20,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 16:27:20,333 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-07-21 16:27:20,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 16:27:20,334 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:20,334 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] [2020-07-21 16:27:20,547 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:20,548 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:20,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:20,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 2 times [2020-07-21 16:27:20,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:20,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [733854935] [2020-07-21 16:27:20,551 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:20,744 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:20,744 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:20,746 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:27:20,754 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:20,803 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 16:27:20,804 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:27:20,894 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 16:27:20,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [733854935] [2020-07-21 16:27:20,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 16:27:20,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 16:27:20,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525702460] [2020-07-21 16:27:20,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:27:20,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:20,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:27:20,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:27:20,896 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2020-07-21 16:27:20,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:20,933 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2020-07-21 16:27:20,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:27:20,933 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-21 16:27:20,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:20,935 INFO L225 Difference]: With dead ends: 68 [2020-07-21 16:27:20,935 INFO L226 Difference]: Without dead ends: 55 [2020-07-21 16:27:20,935 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 16:27:20,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-21 16:27:20,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-21 16:27:20,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-21 16:27:20,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-07-21 16:27:20,943 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-07-21 16:27:20,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:20,943 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-07-21 16:27:20,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:27:20,944 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-07-21 16:27:20,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 16:27:20,945 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:20,945 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] [2020-07-21 16:27:21,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:21,161 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:21,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:21,161 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 3 times [2020-07-21 16:27:21,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:21,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [51565914] [2020-07-21 16:27:21,163 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:21,345 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:21,345 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:21,347 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 16:27:21,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:21,390 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 16:27:21,390 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 16:27:21,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [51565914] [2020-07-21 16:27:21,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 16:27:21,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 16:27:21,392 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024338346] [2020-07-21 16:27:21,392 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 16:27:21,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:21,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 16:27:21,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 16:27:21,394 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 6 states. [2020-07-21 16:27:21,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:27:21,450 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2020-07-21 16:27:21,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 16:27:21,451 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 16:27:21,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:27:21,452 INFO L225 Difference]: With dead ends: 79 [2020-07-21 16:27:21,452 INFO L226 Difference]: Without dead ends: 67 [2020-07-21 16:27:21,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 16:27:21,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-21 16:27:21,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-07-21 16:27:21,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 16:27:21,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-21 16:27:21,463 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-07-21 16:27:21,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:27:21,463 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-21 16:27:21,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 16:27:21,463 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-21 16:27:21,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 16:27:21,465 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:27:21,465 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] [2020-07-21 16:27:21,679 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:27:21,680 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:27:21,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:27:21,681 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-07-21 16:27:21,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:27:21,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034795734] [2020-07-21 16:27:21,682 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:27:21,862 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:27:21,862 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:27:21,868 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 137 conjunts are in the unsatisfiable core [2020-07-21 16:27:21,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:27:21,921 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 [2020-07-21 16:27:21,922 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:21,932 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:21,932 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:21,932 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2020-07-21 16:27:22,061 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,062 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 [2020-07-21 16:27:22,063 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:27:22,064 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,072 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,073 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,073 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:11 [2020-07-21 16:27:22,100 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 [2020-07-21 16:27:22,101 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,125 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,128 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 [2020-07-21 16:27:22,129 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,136 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,137 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,137 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:34, output treesize:23 [2020-07-21 16:27:22,414 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 [2020-07-21 16:27:22,414 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,431 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,431 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,431 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:116 [2020-07-21 16:27:22,497 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 16:27:22,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 16:27:22,501 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 139 treesize of output 95 [2020-07-21 16:27:22,502 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,517 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,521 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-21 16:27:22,523 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 67 [2020-07-21 16:27:22,524 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,535 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:22,536 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:22,536 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:149, output treesize:63 [2020-07-21 16:27:27,530 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification that was a NOOP. DAG size: 27 [2020-07-21 16:27:27,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 16:27:27,561 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2020-07-21 16:27:27,562 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:27,584 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:27,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 16:27:27,589 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 65 treesize of output 41 [2020-07-21 16:27:27,590 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:27,603 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:27,610 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 52 treesize of output 35 [2020-07-21 16:27:27,612 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:27,632 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:27,633 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:27,633 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:104, output treesize:63 [2020-07-21 16:27:28,054 INFO L440 ElimStorePlain]: Different costs {0=[|#memory_int|], 1=[|#memory_$Pointer$.base|, |#memory_$Pointer$.offset|]} [2020-07-21 16:27:28,058 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 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 46 treesize of output 10 [2020-07-21 16:27:28,059 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:28,072 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,081 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,082 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 17 treesize of output 17 [2020-07-21 16:27:28,084 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:27:28,085 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 16:27:28,085 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:28,098 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,105 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,105 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 15 treesize of output 15 [2020-07-21 16:27:28,106 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 16:27:28,109 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,110 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:27:28,110 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:76, output treesize:7 [2020-07-21 16:27:28,206 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 16:27:28,206 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:27:28,400 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:27:28,401 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 16:27:28,402 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 16:27:28,694 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:27:28,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:27:28,850 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 16:27:28,858 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 16:27:28,876 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,881 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 16:27:28,884 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 16:27:28,891 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:27:28,892 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. [2020-07-21 16:27:28,893 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:123, output treesize:69 [2020-07-21 16:27:30,087 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034795734] [2020-07-21 16:27:30,087 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 16:27:30,087 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-21 16:27:30,087 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56889532] [2020-07-21 16:27:30,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-21 16:27:30,088 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:27:30,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-21 16:27:30,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=1296, Unknown=7, NotChecked=0, Total=1406 [2020-07-21 16:27:30,089 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 31 states. [2020-07-21 16:27:45,478 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 16:28:08,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:28:08,227 INFO L93 Difference]: Finished difference Result 108 states and 132 transitions. [2020-07-21 16:28:08,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-07-21 16:28:08,230 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-07-21 16:28:08,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:28:08,232 INFO L225 Difference]: With dead ends: 108 [2020-07-21 16:28:08,232 INFO L226 Difference]: Without dead ends: 106 [2020-07-21 16:28:08,235 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 587 ImplicationChecksByTransitivity, 23.8s TimeCoverageRelationStatistics Valid=294, Invalid=3333, Unknown=33, NotChecked=0, Total=3660 [2020-07-21 16:28:08,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-21 16:28:08,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 93. [2020-07-21 16:28:08,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 16:28:08,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-07-21 16:28:08,254 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 61 [2020-07-21 16:28:08,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:28:08,255 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-07-21 16:28:08,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-21 16:28:08,255 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-07-21 16:28:08,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 16:28:08,257 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:28:08,257 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] [2020-07-21 16:28:08,464 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:28:08,465 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:28:08,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:28:08,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-07-21 16:28:08,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:28:08,467 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816933522] [2020-07-21 16:28:08,467 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:28:08,631 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:28:08,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:28:08,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:28:08,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:28:08,686 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 16:28:08,686 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:28:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-21 16:28:08,793 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816933522] [2020-07-21 16:28:08,793 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 16:28:08,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-21 16:28:08,794 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [622793962] [2020-07-21 16:28:08,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 16:28:08,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:28:08,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 16:28:08,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:28:08,795 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 7 states. [2020-07-21 16:28:08,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:28:08,858 INFO L93 Difference]: Finished difference Result 133 states and 162 transitions. [2020-07-21 16:28:08,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 16:28:08,859 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 16:28:08,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:28:08,861 INFO L225 Difference]: With dead ends: 133 [2020-07-21 16:28:08,861 INFO L226 Difference]: Without dead ends: 89 [2020-07-21 16:28:08,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 16:28:08,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-21 16:28:08,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-21 16:28:08,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 16:28:08,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-21 16:28:08,877 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-21 16:28:08,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:28:08,878 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-21 16:28:08,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 16:28:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-21 16:28:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 16:28:08,879 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:28:08,880 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] [2020-07-21 16:28:09,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:28:09,094 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:28:09,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:28:09,095 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 3 times [2020-07-21 16:28:09,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:28:09,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [526671955] [2020-07-21 16:28:09,096 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:28:09,228 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 16:28:09,229 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:28:09,230 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 16:28:09,233 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:28:09,282 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 16:28:09,283 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:28:09,381 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 16:28:09,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [526671955] [2020-07-21 16:28:09,381 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:28:09,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-21 16:28:09,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206489314] [2020-07-21 16:28:09,382 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 16:28:09,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:28:09,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 16:28:09,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 16:28:09,383 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 9 states. [2020-07-21 16:28:09,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:28:09,484 INFO L93 Difference]: Finished difference Result 104 states and 120 transitions. [2020-07-21 16:28:09,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 16:28:09,485 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-21 16:28:09,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:28:09,486 INFO L225 Difference]: With dead ends: 104 [2020-07-21 16:28:09,486 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 16:28:09,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-21 16:28:09,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 16:28:09,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-21 16:28:09,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 16:28:09,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2020-07-21 16:28:09,497 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 62 [2020-07-21 16:28:09,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:28:09,497 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2020-07-21 16:28:09,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 16:28:09,497 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2020-07-21 16:28:09,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-21 16:28:09,499 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 16:28:09,499 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] [2020-07-21 16:28:09,712 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:28:09,713 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 16:28:09,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 16:28:09,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-21 16:28:09,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 16:28:09,715 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496253608] [2020-07-21 16:28:09,715 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 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 [2020-07-21 16:28:09,942 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 16:28:09,943 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 16:28:09,945 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-21 16:28:09,948 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 16:28:09,991 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 [2020-07-21 16:28:09,991 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:28:09,996 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:28:09,996 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:28:09,996 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-07-21 16:28:10,103 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 22 treesize of output 10 [2020-07-21 16:28:10,104 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 16:28:10,111 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:28:10,111 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 16:28:10,112 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2020-07-21 16:28:10,136 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 16:28:10,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 16:28:10,226 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:28:10,227 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:28:10,227 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:28:10,290 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:28:10,399 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:28:10,400 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 16:28:10,400 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:28:10,421 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 28 treesize of output 24 [2020-07-21 16:28:10,422 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-21 16:28:10,428 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 16:28:10,429 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-07-21 16:28:10,429 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:13 [2020-07-21 16:28:10,462 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 16:28:10,514 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 16:28:10,515 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496253608] [2020-07-21 16:28:10,515 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 16:28:10,515 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2020-07-21 16:28:10,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993653620] [2020-07-21 16:28:10,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 16:28:10,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 16:28:10,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 16:28:10,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-21 16:28:10,520 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 17 states. [2020-07-21 16:28:10,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 16:28:10,924 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2020-07-21 16:28:10,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 16:28:10,925 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-07-21 16:28:10,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 16:28:10,926 INFO L225 Difference]: With dead ends: 64 [2020-07-21 16:28:10,926 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 16:28:10,928 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2020-07-21 16:28:10,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 16:28:10,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 16:28:10,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 16:28:10,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 16:28:10,929 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-07-21 16:28:10,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 16:28:10,929 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 16:28:10,929 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 16:28:10,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 16:28:10,930 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 16:28:11,136 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 16:28:11,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 16:28:11,633 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2020-07-21 16:28:11,968 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-07-21 16:28:12,128 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2020-07-21 16:28:12,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:28:12,135 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-21 16:28:12,135 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:28:12,136 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-21 16:28:12,136 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-21 16:28:12,136 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-21 16:28:12,136 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-21 16:28:12,136 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-21 16:28:12,136 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-21 16:28:12,136 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-21 16:28:12,136 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-21 16:28:12,136 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (+ sll_update_at_~index 1))) (let ((.cse5 (<= .cse0 |sll_update_at_#in~index|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse4 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse6 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (let ((.cse1 (+ |sll_update_at_#in~head.offset| 4))) (and (<= |sll_update_at_#in~index| .cse0) (<= 1 |sll_update_at_#in~index|) (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse1) sll_update_at_~head.offset) .cse2 .cse3 .cse4 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse1)) .cse5 .cse6)) (and .cse2 .cse4 (<= 2 |sll_update_at_#in~index|) .cse5 .cse6) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse2 .cse3 .cse4 .cse6)))) [2020-07-21 16:28:12,136 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-21 16:28:12,137 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-21 16:28:12,137 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 16:28:12,137 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-21 16:28:12,137 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-21 16:28:12,137 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-21 16:28:12,137 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 0 sll_create_~head~0.offset) (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-21 16:28:12,138 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-21 16:28:12,138 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-21 16:28:12,138 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-21 16:28:12,138 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 0 sll_create_~head~0.offset)) (.cse1 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.base| sll_create_~head~0.base) .cse2) sll_create_~head~0.base)) .cse0 .cse1)))) [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 16:28:12,139 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 16:28:12,140 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 16:28:12,140 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 16:28:12,140 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-21 16:28:12,140 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-21 16:28:12,140 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (forall ((v_main_~s~0.base_BEFORE_CALL_3 Int)) (or (= v_main_~s~0.base_BEFORE_CALL_3 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) 4)) (not (= 0 (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_3) 4))))) (<= 2 |sll_get_data_at_#in~index|) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index)) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) (<= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)) (< 0 |sll_get_data_at_#in~index|) (<= sll_get_data_at_~index 0) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0))))) [2020-07-21 16:28:12,140 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-21 16:28:12,140 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-21 16:28:12,141 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse9 (select |#memory_$Pointer$.base| main_~s~0.base))) (let ((.cse0 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse4 (= 0 main_~s~0.offset)) (.cse5 (<= main_~i~0 1)) (.cse6 (not (= (select .cse9 4) main_~s~0.base))) (.cse1 (select |#memory_$Pointer$.offset| main_~s~0.base))) (or (and .cse0 (= 0 (select .cse1 4)) .cse2 .cse3 .cse4 .cse5 .cse6 (<= 1 main_~i~0)) (let ((.cse10 (+ main_~s~0.offset 4))) (let ((.cse8 (select .cse1 .cse10))) (let ((.cse7 (select (select |#memory_int| (select .cse9 .cse10)) .cse8))) (and (< main_~len~0 .cse7) (<= 0 main_~i~0) .cse0 .cse2 (<= .cse7 (+ main_~len~0 1)) .cse3 .cse4 .cse5 (= 0 .cse8) .cse6))))))) [2020-07-21 16:28:12,141 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-21 16:28:12,141 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-21 16:28:12,141 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse3))) (let ((.cse0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse3)) .cse2)) (.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (< main_~len~0 .cse0) (<= main_~len~0 2) (<= .cse1 main_~len~0) (<= 2 main_~len~0) (<= .cse0 (+ main_~len~0 1)) (= 0 main_~s~0.offset) (<= main_~len~0 .cse1) (<= main_~i~0 1) (= 0 .cse2))))) [2020-07-21 16:28:12,141 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-07-21 16:28:12,141 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 16:28:12,141 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse1 (select |#memory_$Pointer$.offset| main_~s~0.base)) (.cse5 (select |#memory_$Pointer$.base| main_~s~0.base)) (.cse13 (+ main_~s~0.offset 4))) (let ((.cse10 (select .cse5 .cse13)) (.cse11 (select .cse1 .cse13))) (let ((.cse12 (select (select |#memory_int| .cse10) .cse11))) (let ((.cse6 (< main_~len~0 .cse12)) (.cse0 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse8 (<= .cse12 (+ main_~len~0 1))) (.cse3 (= 0 main_~s~0.offset)) (.cse4 (<= main_~i~0 1)) (.cse9 (= 0 .cse11))) (or (and .cse0 (= 0 (select .cse1 4)) .cse2 .cse3 .cse4 (not (= (select .cse5 4) main_~s~0.base)) (<= 1 main_~i~0)) (let ((.cse7 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse6 .cse0 (<= .cse7 main_~len~0) .cse2 .cse8 .cse3 (<= main_~len~0 .cse7) .cse4 .cse9)) (and .cse6 (<= 0 main_~i~0) .cse0 .cse2 .cse8 (not (= .cse10 main_~s~0.base)) .cse3 .cse4 .cse9)))))) [2020-07-21 16:28:12,141 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-21 16:28:12,141 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-21 16:28:12,142 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-21 16:28:12,142 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-21 16:28:12,142 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-21 16:28:12,142 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-21 16:28:12,142 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 16:28:12,142 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 16:28:12,142 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse4 (+ main_~s~0.offset 4))) (let ((.cse3 (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse4))) (let ((.cse0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse4)) .cse3))) (let ((.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse2 (+ main_~i~0 .cse0))) (and (< main_~len~0 .cse0) (<= 0 main_~i~0) (<= main_~len~0 2) (<= .cse1 main_~len~0) (<= 2 main_~len~0) (<= .cse0 (+ main_~len~0 1)) (= 0 main_~s~0.offset) (<= main_~len~0 .cse1) (< main_~expected~0 .cse2) (<= main_~i~0 1) (= 0 .cse3) (<= .cse2 (+ main_~expected~0 1))))))) [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-21 16:28:12,143 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-21 16:28:12,143 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-21 16:28:12,143 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-21 16:28:12,151 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,152 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,152 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,153 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,153 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,158 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,159 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,162 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,163 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,164 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,165 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,167 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,170 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,173 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,175 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,178 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,179 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,180 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,181 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,181 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,181 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,181 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,182 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,183 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,184 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,185 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,186 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,187 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,188 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,189 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,190 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,191 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,192 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,193 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,194 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,195 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,196 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,197 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,198 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,199 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,200 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,201 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,202 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,215 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,216 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,218 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,219 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,221 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,221 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,222 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,222 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,223 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,224 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 04:28:12 BoogieIcfgContainer [2020-07-21 16:28:12,226 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 16:28:12,227 INFO L168 Benchmark]: Toolchain (without parser) took 55817.69 ms. Allocated memory was 135.8 MB in the beginning and 332.9 MB in the end (delta: 197.1 MB). Free memory was 99.4 MB in the beginning and 299.9 MB in the end (delta: -200.5 MB). Peak memory consumption was 196.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,228 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 736.01 ms. Allocated memory was 135.8 MB in the beginning and 204.5 MB in the end (delta: 68.7 MB). Free memory was 99.2 MB in the beginning and 168.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,229 INFO L168 Benchmark]: Boogie Preprocessor took 109.00 ms. Allocated memory is still 204.5 MB. Free memory was 168.0 MB in the beginning and 165.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,229 INFO L168 Benchmark]: RCFGBuilder took 593.85 ms. Allocated memory is still 204.5 MB. Free memory was 165.1 MB in the beginning and 117.7 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,230 INFO L168 Benchmark]: TraceAbstraction took 54372.85 ms. Allocated memory was 204.5 MB in the beginning and 332.9 MB in the end (delta: 128.5 MB). Free memory was 117.0 MB in the beginning and 299.9 MB in the end (delta: -182.9 MB). Peak memory consumption was 145.6 MB. Max. memory is 7.1 GB. [2020-07-21 16:28:12,234 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 736.01 ms. Allocated memory was 135.8 MB in the beginning and 204.5 MB in the end (delta: 68.7 MB). Free memory was 99.2 MB in the beginning and 168.0 MB in the end (delta: -68.8 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 109.00 ms. Allocated memory is still 204.5 MB. Free memory was 168.0 MB in the beginning and 165.1 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 593.85 ms. Allocated memory is still 204.5 MB. Free memory was 165.1 MB in the beginning and 117.7 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 54372.85 ms. Allocated memory was 204.5 MB in the beginning and 332.9 MB in the end (delta: 128.5 MB). Free memory was 117.0 MB in the beginning and 299.9 MB in the end (delta: -182.9 MB). Peak memory consumption was 145.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$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_3,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_3,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_3,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_3,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_3,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_$Pointer$.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_$Pointer$.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_$Pointer$.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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_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_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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 [2020-07-21 16:28:12,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,249 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,249 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,250 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,250 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,252 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,252 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,253 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 16:28:12,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,253 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,254 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((forall v_main_~s~0.base_BEFORE_CALL_3 : int :: v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][4] || !(0 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][4])) || 2 <= \old(index)) || ((head == head && head == head) && \old(index) == index)) || ((((head == #memory_$Pointer$[head][head + 4] && \old(index) <= index + 1) && 0 < \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4]) - InvariantResult [Line: 611]: Loop Invariant [2020-07-21 16:28:12,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,254 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,257 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,258 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,259 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,260 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && 0 == s) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4] - InvariantResult [Line: 596]: Loop Invariant [2020-07-21 16:28:12,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,263 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,267 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,267 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,268 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,269 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,270 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,270 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,271 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,272 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((\old(index) <= index + 1 && 1 <= \old(index)) && #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]) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((((head == head && head == head) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) - InvariantResult [Line: 607]: Loop Invariant [2020-07-21 16:28:12,273 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,275 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,276 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,277 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,280 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,281 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,282 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,283 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,284 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,284 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,285 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,286 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,287 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((len <= 2 && 0 == #memory_$Pointer$[s][4]) && 2 <= len) && 0 == s) && i <= 1) && !(#memory_$Pointer$[s][4] == s)) && 1 <= i) || ((((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && 0 == s) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4])) || ((((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && 0 <= i) && len <= 2) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && 0 == s) && i <= 1) && 0 == #memory_$Pointer$[s][s + 4]) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-21 16:28:12,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,288 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,289 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,289 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,290 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,291 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 16:28:12,292 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 16:28:12,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 16:28:12,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,292 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,293 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 16:28:12,293 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: 53.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 39.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 465 SDtfs, 267 SDslu, 1739 SDs, 0 SdLazy, 1801 SolverSat, 117 SolverUnsat, 40 SolverUnknown, 0 SolverNotchecked, 21.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 876 GetRequests, 724 SyntacticMatches, 22 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 24.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 42 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 68 PreInvPairs, 94 NumberOfFragments, 816 HoareAnnotationTreeSize, 68 FomulaSimplifications, 1212 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 238 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 537 NumberOfCodeBlocks, 506 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 811 ConstructedInterpolants, 8 QuantifiedInterpolants, 182209 SizeOfPredicates, 72 NumberOfNonLiveVariables, 2434 ConjunctsInSsa, 215 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 222/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...