/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 BIGGEST_EQUIVALENCE_CLASS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 22:45:54,292 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 22:45:54,294 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 22:45:54,306 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 22:45:54,306 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 22:45:54,307 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 22:45:54,309 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 22:45:54,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 22:45:54,312 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 22:45:54,313 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 22:45:54,314 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 22:45:54,315 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 22:45:54,315 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 22:45:54,316 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 22:45:54,317 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 22:45:54,319 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 22:45:54,319 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 22:45:54,320 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 22:45:54,322 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 22:45:54,324 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 22:45:54,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 22:45:54,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 22:45:54,328 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 22:45:54,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 22:45:54,332 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 22:45:54,332 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 22:45:54,332 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 22:45:54,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 22:45:54,333 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 22:45:54,334 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 22:45:54,335 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 22:45:54,335 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 22:45:54,336 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 22:45:54,337 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 22:45:54,338 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 22:45:54,338 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 22:45:54,339 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 22:45:54,339 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 22:45:54,339 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 22:45:54,340 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 22:45:54,341 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 22:45:54,342 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 22:45:54,356 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 22:45:54,357 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 22:45:54,358 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 22:45:54,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 22:45:54,358 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 22:45:54,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 22:45:54,359 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 22:45:54,359 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 22:45:54,359 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 22:45:54,359 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 22:45:54,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 22:45:54,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 22:45:54,360 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 22:45:54,360 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 22:45:54,360 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 22:45:54,361 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 22:45:54,361 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 22:45:54,361 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 22:45:54,361 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 22:45:54,361 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 22:45:54,362 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 22:45:54,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 22:45:54,362 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 22:45:54,362 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 22:45:54,362 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 22:45:54,363 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 22:45:54,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:54,363 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 22:45:54,363 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 22:45:54,363 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 -> BIGGEST_EQUIVALENCE_CLASS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4 [2020-07-21 22:45:54,651 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 22:45:54,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 22:45:54,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 22:45:54,669 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 22:45:54,669 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 22:45:54,670 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 22:45:54,730 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773952da4/54ce691eee2d406b973790951dcff16e/FLAG24be741f2 [2020-07-21 22:45:55,279 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 22:45:55,280 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 22:45:55,293 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773952da4/54ce691eee2d406b973790951dcff16e/FLAG24be741f2 [2020-07-21 22:45:55,596 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/773952da4/54ce691eee2d406b973790951dcff16e [2020-07-21 22:45:55,605 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 22:45:55,609 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 22:45:55,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 22:45:55,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 22:45:55,613 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 22:45:55,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:45:55" (1/1) ... [2020-07-21 22:45:55,617 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38a45443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:55, skipping insertion in model container [2020-07-21 22:45:55,618 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:45:55" (1/1) ... [2020-07-21 22:45:55,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 22:45:55,661 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 22:45:56,103 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:45:56,114 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 22:45:56,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 22:45:56,219 INFO L208 MainTranslator]: Completed translation [2020-07-21 22:45:56,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56 WrapperNode [2020-07-21 22:45:56,220 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 22:45:56,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 22:45:56,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 22:45:56,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 22:45:56,235 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,256 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,256 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,274 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,284 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (1/1) ... [2020-07-21 22:45:56,290 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 22:45:56,291 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 22:45:56,291 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 22:45:56,291 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 22:45:56,292 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (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 22:45:56,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 22:45:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 22:45:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-21 22:45:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-21 22:45:56,369 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-21 22:45:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-21 22:45:56,370 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-21 22:45:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-21 22:45:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-21 22:45:56,371 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-21 22:45:56,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 22:45:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 22:45:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-21 22:45:56,372 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-21 22:45:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-21 22:45:56,373 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-21 22:45:56,374 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-21 22:45:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-21 22:45:56,375 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-21 22:45:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-21 22:45:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-21 22:45:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-21 22:45:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-21 22:45:56,376 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-21 22:45:56,377 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-21 22:45:56,378 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-21 22:45:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-21 22:45:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-21 22:45:56,379 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-21 22:45:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-21 22:45:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-21 22:45:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-21 22:45:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-21 22:45:56,380 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-21 22:45:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-21 22:45:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-21 22:45:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-21 22:45:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-21 22:45:56,381 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-21 22:45:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-21 22:45:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-21 22:45:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-21 22:45:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-21 22:45:56,382 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 22:45:56,383 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-21 22:45:56,384 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 22:45:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-21 22:45:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-21 22:45:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-21 22:45:56,385 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-21 22:45:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-21 22:45:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 22:45:56,386 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-21 22:45:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-21 22:45:56,387 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-21 22:45:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 22:45:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-21 22:45:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-21 22:45:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-21 22:45:56,388 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-21 22:45:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-21 22:45:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-21 22:45:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-21 22:45:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-21 22:45:56,389 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-21 22:45:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-21 22:45:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-21 22:45:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-21 22:45:56,390 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-21 22:45:56,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-21 22:45:56,392 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-21 22:45:56,393 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-21 22:45:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-21 22:45:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-21 22:45:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-21 22:45:56,394 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-21 22:45:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-21 22:45:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-21 22:45:56,395 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-21 22:45:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 22:45:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 22:45:56,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 22:45:56,397 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-21 22:45:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 22:45:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 22:45:56,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 22:45:56,825 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-21 22:45:56,971 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 22:45:56,971 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-21 22:45:56,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:56 BoogieIcfgContainer [2020-07-21 22:45:56,975 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 22:45:56,977 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 22:45:56,977 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 22:45:56,980 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 22:45:56,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:45:55" (1/3) ... [2020-07-21 22:45:56,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78539a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:56, skipping insertion in model container [2020-07-21 22:45:56,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:45:56" (2/3) ... [2020-07-21 22:45:56,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78539a92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:45:56, skipping insertion in model container [2020-07-21 22:45:56,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:45:56" (3/3) ... [2020-07-21 22:45:56,984 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-21 22:45:56,994 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 22:45:57,002 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 22:45:57,015 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 22:45:57,035 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 22:45:57,035 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 22:45:57,035 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 22:45:57,035 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 22:45:57,036 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 22:45:57,036 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 22:45:57,036 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 22:45:57,036 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 22:45:57,056 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 22:45:57,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 22:45:57,063 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:57,064 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 22:45:57,065 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:57,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:57,071 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-21 22:45:57,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:57,081 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [320546373] [2020-07-21 22:45:57,081 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:57,288 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:45:57,288 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:57,292 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 22:45:57,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:57,335 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 22:45:57,335 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:45:57,336 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [320546373] [2020-07-21 22:45:57,337 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:45:57,337 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 22:45:57,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610432550] [2020-07-21 22:45:57,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 22:45:57,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:57,361 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 22:45:57,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 22:45:57,365 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-07-21 22:45:57,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:45:57,408 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2020-07-21 22:45:57,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 22:45:57,410 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-21 22:45:57,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:45:57,429 INFO L225 Difference]: With dead ends: 90 [2020-07-21 22:45:57,429 INFO L226 Difference]: Without dead ends: 42 [2020-07-21 22:45:57,435 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 22:45:57,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-21 22:45:57,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-21 22:45:57,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-21 22:45:57,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-21 22:45:57,489 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-07-21 22:45:57,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:45:57,489 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-21 22:45:57,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 22:45:57,489 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-21 22:45:57,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 22:45:57,492 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:57,492 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 22:45:57,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:57,708 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:57,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:57,709 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-07-21 22:45:57,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:57,710 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [83670731] [2020-07-21 22:45:57,711 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:57,802 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:45:57,802 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:57,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:45:57,806 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:57,852 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 22:45:57,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:45:57,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [83670731] [2020-07-21 22:45:57,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:45:57,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 22:45:57,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207027557] [2020-07-21 22:45:57,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:45:57,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:57,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:45:57,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:45:57,856 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-21 22:45:57,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:45:57,914 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-07-21 22:45:57,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:45:57,915 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-21 22:45:57,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:45:57,918 INFO L225 Difference]: With dead ends: 71 [2020-07-21 22:45:57,918 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 22:45:57,919 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 22:45:57,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 22:45:57,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-07-21 22:45:57,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-21 22:45:57,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-07-21 22:45:57,933 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-07-21 22:45:57,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:45:57,934 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-07-21 22:45:57,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 22:45:57,934 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-21 22:45:57,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-21 22:45:57,935 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:57,936 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 22:45:58,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:58,149 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:58,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:58,149 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-07-21 22:45:58,150 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:58,150 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1556730703] [2020-07-21 22:45:58,150 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:58,277 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-21 22:45:58,277 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:58,279 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 22:45:58,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:58,317 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:45:58,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:45:58,434 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:45:58,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 22:45:58,451 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1556730703] [2020-07-21 22:45:58,452 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:45:58,452 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-21 22:45:58,452 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476503080] [2020-07-21 22:45:58,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 22:45:58,453 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:58,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 22:45:58,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:45:58,454 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 8 states. [2020-07-21 22:45:58,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:45:58,530 INFO L93 Difference]: Finished difference Result 75 states and 85 transitions. [2020-07-21 22:45:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:45:58,531 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2020-07-21 22:45:58,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:45:58,532 INFO L225 Difference]: With dead ends: 75 [2020-07-21 22:45:58,533 INFO L226 Difference]: Without dead ends: 50 [2020-07-21 22:45:58,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 58 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 22:45:58,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-07-21 22:45:58,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 47. [2020-07-21 22:45:58,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-07-21 22:45:58,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2020-07-21 22:45:58,543 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 34 [2020-07-21 22:45:58,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:45:58,543 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2020-07-21 22:45:58,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 22:45:58,544 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2020-07-21 22:45:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 22:45:58,546 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:58,546 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] [2020-07-21 22:45:58,761 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:58,762 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:58,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:58,762 INFO L82 PathProgramCache]: Analyzing trace with hash 2121866258, now seen corresponding path program 2 times [2020-07-21 22:45:58,763 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:58,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [962242827] [2020-07-21 22:45:58,763 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:58,916 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:45:58,916 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:58,917 INFO L263 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 22:45:58,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 22:45:58,942 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:45:58,943 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [962242827] [2020-07-21 22:45:58,943 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:45:58,943 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 22:45:58,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749262741] [2020-07-21 22:45:58,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 22:45:58,944 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:58,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 22:45:58,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 22:45:58,945 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 4 states. [2020-07-21 22:45:58,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:45:58,979 INFO L93 Difference]: Finished difference Result 70 states and 79 transitions. [2020-07-21 22:45:58,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 22:45:58,979 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2020-07-21 22:45:58,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:45:58,981 INFO L225 Difference]: With dead ends: 70 [2020-07-21 22:45:58,981 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 22:45:58,982 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 22:45:58,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 22:45:58,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 48. [2020-07-21 22:45:58,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-07-21 22:45:58,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2020-07-21 22:45:58,990 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 43 [2020-07-21 22:45:58,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:45:58,991 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2020-07-21 22:45:58,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 22:45:58,991 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2020-07-21 22:45:58,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 22:45:58,992 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:58,993 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:45:59,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:59,208 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:59,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:59,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1073302620, now seen corresponding path program 1 times [2020-07-21 22:45:59,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:59,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [85499004] [2020-07-21 22:45:59,209 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:59,357 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:45:59,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:59,359 INFO L263 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 22:45:59,362 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 22:45:59,403 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:45:59,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [85499004] [2020-07-21 22:45:59,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:45:59,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:45:59,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092391990] [2020-07-21 22:45:59,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:45:59,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:59,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:45:59,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:45:59,405 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand 6 states. [2020-07-21 22:45:59,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:45:59,467 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-07-21 22:45:59,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:45:59,467 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-07-21 22:45:59,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:45:59,470 INFO L225 Difference]: With dead ends: 82 [2020-07-21 22:45:59,470 INFO L226 Difference]: Without dead ends: 61 [2020-07-21 22:45:59,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 46 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 22:45:59,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-21 22:45:59,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 53. [2020-07-21 22:45:59,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-21 22:45:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-07-21 22:45:59,480 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 51 [2020-07-21 22:45:59,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:45:59,481 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-07-21 22:45:59,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:45:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-07-21 22:45:59,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 22:45:59,482 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:45:59,483 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 22:45:59,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:59,698 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:45:59,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:45:59,699 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 1 times [2020-07-21 22:45:59,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:45:59,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680881527] [2020-07-21 22:45:59,701 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:45:59,865 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:45:59,866 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:45:59,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 22:45:59,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:45:59,901 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 22:45:59,902 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:45:59,957 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-21 22:45:59,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680881527] [2020-07-21 22:45:59,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:45:59,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2020-07-21 22:45:59,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234626807] [2020-07-21 22:45:59,959 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 22:45:59,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:45:59,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 22:45:59,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-21 22:45:59,960 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 5 states. [2020-07-21 22:46:00,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:00,013 INFO L93 Difference]: Finished difference Result 76 states and 86 transitions. [2020-07-21 22:46:00,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 22:46:00,013 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-21 22:46:00,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:00,015 INFO L225 Difference]: With dead ends: 76 [2020-07-21 22:46:00,015 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 22:46:00,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-21 22:46:00,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 22:46:00,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 55. [2020-07-21 22:46:00,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-21 22:46:00,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-07-21 22:46:00,023 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-07-21 22:46:00,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:00,024 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-07-21 22:46:00,024 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 22:46:00,024 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-07-21 22:46:00,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 22:46:00,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:00,025 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 22:46:00,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:00,227 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:00,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:00,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 2 times [2020-07-21 22:46:00,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:00,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853022702] [2020-07-21 22:46:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:00,504 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:46:00,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:00,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 22:46:00,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:00,542 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 22:46:00,542 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 22:46:00,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853022702] [2020-07-21 22:46:00,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 22:46:00,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 22:46:00,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36350043] [2020-07-21 22:46:00,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 22:46:00,545 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:00,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 22:46:00,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 22:46:00,546 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 6 states. [2020-07-21 22:46:00,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:00,608 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-07-21 22:46:00,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 22:46:00,609 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 22:46:00,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:00,614 INFO L225 Difference]: With dead ends: 78 [2020-07-21 22:46:00,614 INFO L226 Difference]: Without dead ends: 66 [2020-07-21 22:46:00,615 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 22:46:00,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-21 22:46:00,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 61. [2020-07-21 22:46:00,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 22:46:00,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-21 22:46:00,631 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-07-21 22:46:00,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:00,632 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-21 22:46:00,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 22:46:00,632 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-21 22:46:00,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 22:46:00,634 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:00,635 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 22:46:00,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:00,836 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:00,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:00,837 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-07-21 22:46:00,837 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:00,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973632441] [2020-07-21 22:46:00,838 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:01,038 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:46:01,038 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:01,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 110 conjunts are in the unsatisfiable core [2020-07-21 22:46:01,046 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:01,090 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 22:46:01,090 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,095 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,095 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,095 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-21 22:46:01,177 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,177 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 22:46:01,178 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,180 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,180 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,180 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-21 22:46:01,204 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 22:46:01,205 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,228 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,233 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 22:46:01,233 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,238 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,239 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,240 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:10 [2020-07-21 22:46:01,431 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 22:46:01,432 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,441 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,441 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,442 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2020-07-21 22:46:01,518 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2020-07-21 22:46:01,520 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,533 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,563 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:01,564 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 79 treesize of output 109 [2020-07-21 22:46:01,569 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[4, 3, 2, 1] term [2020-07-21 22:46:01,570 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 4 disjuncts [2020-07-21 22:46:01,571 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,587 INFO L624 ElimStorePlain]: treesize reduction 48, result has 41.5 percent of original size [2020-07-21 22:46:01,588 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:01,588 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:124, output treesize:34 [2020-07-21 22:46:03,311 WARN L860 $PredicateComparison]: unable to prove that (exists ((sll_update_at_~head.offset Int) (sll_update_at_~data Int)) (and (= |c_#memory_int| (store |c_old(#memory_int)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_int)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset sll_update_at_~data))) (<= sll_update_at_~head.offset |c_sll_update_at_#in~head.offset|) (= (store |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.offset)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.offset| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.offset|) (= (store |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base| (store (select |c_old(#memory_$Pointer$.base)| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset (select (select |c_#memory_$Pointer$.base| |c_sll_update_at_#in~head.base|) sll_update_at_~head.offset))) |c_#memory_$Pointer$.base|))) is different from true [2020-07-21 22:46:03,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:46:03,343 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 31 [2020-07-21 22:46:03,344 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:03,360 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 22:46:03,375 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 39 treesize of output 27 [2020-07-21 22:46:03,376 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:03,384 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,390 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 34 [2020-07-21 22:46:03,391 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:03,399 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,400 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 22:46:03,401 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:78, output treesize:34 [2020-07-21 22:46:03,866 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,867 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 113 treesize of output 93 [2020-07-21 22:46:03,869 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 22:46:03,880 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 3 disjuncts [2020-07-21 22:46:03,885 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 22:46:03,922 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,936 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,936 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 61 [2020-07-21 22:46:03,938 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 22:46:03,943 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 22:46:03,945 INFO L544 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-21 22:46:03,984 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,995 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:03,995 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 41 [2020-07-21 22:46:03,997 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 22:46:04,002 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:04,062 INFO L624 ElimStorePlain]: treesize reduction 16, result has 78.7 percent of original size [2020-07-21 22:46:04,066 INFO L544 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:04,066 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:113, output treesize:19 [2020-07-21 22:46:04,154 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2020-07-21 22:46:04,154 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:04,655 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 22:46:04,669 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:04,678 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 22:46:04,685 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:04,687 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2020-07-21 22:46:04,687 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:67, output treesize:41 [2020-07-21 22:46:05,879 WARN L838 $PredicateComparison]: unable to prove that (forall ((v_sll_update_at_~data_8 Int) (v_sll_update_at_~head.offset_12 Int) (v_DerPreprocessor_2 Int) (v_DerPreprocessor_1 Int)) (or (< c_main_~s~0.offset v_sll_update_at_~head.offset_12) (= (+ (let ((.cse0 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_sll_update_at_~data_8)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_DerPreprocessor_2) .cse0)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_sll_update_at_~head.offset_12 v_DerPreprocessor_1) .cse0))) 1) (* 2 c_main_~len~0)))) is different from false [2020-07-21 22:46:05,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973632441] [2020-07-21 22:46:05,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:46:05,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-07-21 22:46:05,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216643404] [2020-07-21 22:46:05,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-07-21 22:46:05,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:05,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-07-21 22:46:05,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=1172, Unknown=2, NotChecked=138, Total=1406 [2020-07-21 22:46:05,884 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 30 states. [2020-07-21 22:46:12,597 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 22:46:21,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:21,015 INFO L93 Difference]: Finished difference Result 111 states and 135 transitions. [2020-07-21 22:46:21,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-07-21 22:46:21,016 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 61 [2020-07-21 22:46:21,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:21,019 INFO L225 Difference]: With dead ends: 111 [2020-07-21 22:46:21,019 INFO L226 Difference]: Without dead ends: 109 [2020-07-21 22:46:21,022 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 40 SyntacticMatches, 1 SemanticMatches, 58 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 16.4s TimeCoverageRelationStatistics Valid=261, Invalid=3040, Unknown=13, NotChecked=226, Total=3540 [2020-07-21 22:46:21,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-07-21 22:46:21,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 93. [2020-07-21 22:46:21,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-21 22:46:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-07-21 22:46:21,039 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 61 [2020-07-21 22:46:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:21,040 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-07-21 22:46:21,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-07-21 22:46:21,040 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-07-21 22:46:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 22:46:21,042 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:21,042 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 22:46:21,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:21,252 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:21,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:21,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-07-21 22:46:21,254 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:21,254 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [827350662] [2020-07-21 22:46:21,255 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:21,449 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:46:21,450 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:21,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:46:21,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:21,502 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 22:46:21,502 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:21,607 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 22:46:21,608 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [827350662] [2020-07-21 22:46:21,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:46:21,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-21 22:46:21,611 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897261142] [2020-07-21 22:46:21,611 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:46:21,611 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:21,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:46:21,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:46:21,612 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 7 states. [2020-07-21 22:46:21,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:21,681 INFO L93 Difference]: Finished difference Result 131 states and 160 transitions. [2020-07-21 22:46:21,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:46:21,682 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 22:46:21,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:21,683 INFO L225 Difference]: With dead ends: 131 [2020-07-21 22:46:21,684 INFO L226 Difference]: Without dead ends: 89 [2020-07-21 22:46:21,685 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 22:46:21,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-21 22:46:21,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-21 22:46:21,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 22:46:21,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-21 22:46:21,698 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-21 22:46:21,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:21,698 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-21 22:46:21,699 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:46:21,699 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-21 22:46:21,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 22:46:21,700 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:21,700 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 22:46:21,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:21,916 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:21,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:21,917 INFO L82 PathProgramCache]: Analyzing trace with hash 274449135, now seen corresponding path program 3 times [2020-07-21 22:46:21,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:21,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2023265465] [2020-07-21 22:46:21,918 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:22,059 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:46:22,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:22,060 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:46:22,062 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:22,094 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 22:46:22,095 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:22,201 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 22:46:22,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2023265465] [2020-07-21 22:46:22,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:46:22,202 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-21 22:46:22,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949926541] [2020-07-21 22:46:22,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:46:22,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:22,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:46:22,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:46:22,203 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 7 states. [2020-07-21 22:46:22,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:22,282 INFO L93 Difference]: Finished difference Result 130 states and 153 transitions. [2020-07-21 22:46:22,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:46:22,282 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 22:46:22,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:22,284 INFO L225 Difference]: With dead ends: 130 [2020-07-21 22:46:22,284 INFO L226 Difference]: Without dead ends: 95 [2020-07-21 22:46:22,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 112 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:46:22,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-07-21 22:46:22,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 89. [2020-07-21 22:46:22,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 22:46:22,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 102 transitions. [2020-07-21 22:46:22,297 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 102 transitions. Word has length 62 [2020-07-21 22:46:22,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:22,298 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 102 transitions. [2020-07-21 22:46:22,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:46:22,298 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 102 transitions. [2020-07-21 22:46:22,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 22:46:22,299 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:22,299 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 22:46:22,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:22,515 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:22,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:22,516 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 4 times [2020-07-21 22:46:22,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:22,517 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759624677] [2020-07-21 22:46:22,517 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:22,683 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-21 22:46:22,684 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:22,685 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:46:22,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:22,729 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 22:46:22,729 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:22,826 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 22:46:22,827 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759624677] [2020-07-21 22:46:22,827 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:46:22,827 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-21 22:46:22,827 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [71118491] [2020-07-21 22:46:22,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 22:46:22,828 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:22,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 22:46:22,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 22:46:22,829 INFO L87 Difference]: Start difference. First operand 89 states and 102 transitions. Second operand 9 states. [2020-07-21 22:46:22,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:22,935 INFO L93 Difference]: Finished difference Result 104 states and 116 transitions. [2020-07-21 22:46:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 22:46:22,935 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-21 22:46:22,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:22,936 INFO L225 Difference]: With dead ends: 104 [2020-07-21 22:46:22,936 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 22:46:22,937 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 22:46:22,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 22:46:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-21 22:46:22,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 22:46:22,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-07-21 22:46:22,945 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 62 [2020-07-21 22:46:22,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:22,946 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-07-21 22:46:22,946 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 22:46:22,946 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-07-21 22:46:22,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-21 22:46:22,947 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:22,948 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 22:46:23,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:23,161 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:23,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:23,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-21 22:46:23,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:23,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291796845] [2020-07-21 22:46:23,163 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:23,326 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:46:23,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:23,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-21 22:46:23,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:23,375 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 22:46:23,375 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 22:46:23,377 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:23,377 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:23,378 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:7 [2020-07-21 22:46:23,724 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:23,724 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 122 treesize of output 98 [2020-07-21 22:46:23,726 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:46:23,729 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 5 disjuncts [2020-07-21 22:46:23,733 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 22:46:23,789 INFO L624 ElimStorePlain]: treesize reduction 12, result has 87.4 percent of original size [2020-07-21 22:46:23,794 INFO L544 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 22:46:23,795 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:122, output treesize:42 [2020-07-21 22:46:23,853 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 12 proven. 8 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-21 22:46:23,853 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:24,043 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 22:46:24,211 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 22:46:24,212 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 22:46:24,213 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 22:46:24,214 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 22:46:24,215 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 4 conjuncts [2020-07-21 22:46:24,319 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 44 [2020-07-21 22:46:24,321 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 22:46:24,363 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 22:46:24,372 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2020-07-21 22:46:24,373 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2020-07-21 22:46:24,434 INFO L624 ElimStorePlain]: treesize reduction 30, result has 65.1 percent of original size [2020-07-21 22:46:24,434 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2020-07-21 22:46:24,435 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:73, output treesize:56 [2020-07-21 22:46:24,629 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 10 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 22:46:24,630 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291796845] [2020-07-21 22:46:24,630 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 22:46:24,630 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 15] total 29 [2020-07-21 22:46:24,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585466257] [2020-07-21 22:46:24,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-07-21 22:46:24,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:24,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-07-21 22:46:24,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2020-07-21 22:46:24,632 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 29 states. [2020-07-21 22:46:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:26,305 INFO L93 Difference]: Finished difference Result 95 states and 103 transitions. [2020-07-21 22:46:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-07-21 22:46:26,307 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 71 [2020-07-21 22:46:26,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:26,308 INFO L225 Difference]: With dead ends: 95 [2020-07-21 22:46:26,308 INFO L226 Difference]: Without dead ends: 88 [2020-07-21 22:46:26,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 112 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=298, Invalid=1682, Unknown=0, NotChecked=0, Total=1980 [2020-07-21 22:46:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-07-21 22:46:26,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 80. [2020-07-21 22:46:26,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-07-21 22:46:26,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 87 transitions. [2020-07-21 22:46:26,325 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 87 transitions. Word has length 71 [2020-07-21 22:46:26,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:26,325 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 87 transitions. [2020-07-21 22:46:26,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-07-21 22:46:26,325 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 87 transitions. [2020-07-21 22:46:26,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 22:46:26,328 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 22:46:26,328 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 22:46:26,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:26,542 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 22:46:26,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 22:46:26,542 INFO L82 PathProgramCache]: Analyzing trace with hash 818416110, now seen corresponding path program 2 times [2020-07-21 22:46:26,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 22:46:26,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1370781303] [2020-07-21 22:46:26,543 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:26,740 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-21 22:46:26,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 22:46:26,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 22:46:26,744 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 22:46:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 22:46:26,785 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 22:46:26,895 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 22:46:26,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1370781303] [2020-07-21 22:46:26,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 22:46:26,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2020-07-21 22:46:26,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563664694] [2020-07-21 22:46:26,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 22:46:26,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 22:46:26,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 22:46:26,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-21 22:46:26,898 INFO L87 Difference]: Start difference. First operand 80 states and 87 transitions. Second operand 7 states. [2020-07-21 22:46:26,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 22:46:26,974 INFO L93 Difference]: Finished difference Result 97 states and 105 transitions. [2020-07-21 22:46:26,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 22:46:26,976 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2020-07-21 22:46:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 22:46:26,976 INFO L225 Difference]: With dead ends: 97 [2020-07-21 22:46:26,977 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 22:46:26,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 132 SyntacticMatches, 5 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-07-21 22:46:26,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 22:46:26,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 22:46:26,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 22:46:26,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 22:46:26,979 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-07-21 22:46:26,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 22:46:26,979 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 22:46:26,979 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 22:46:26,980 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 22:46:26,980 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 22:46:27,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 22:46:27,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 22:46:27,296 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 56 [2020-07-21 22:46:27,706 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2020-07-21 22:46:27,838 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 43 [2020-07-21 22:46:28,116 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 63 [2020-07-21 22:46:28,263 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 55 [2020-07-21 22:46:28,456 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 43 [2020-07-21 22:46:28,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:46:28,578 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-21 22:46:28,578 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-21 22:46:28,579 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-21 22:46:28,579 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse4 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse6 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (let ((.cse1 (and (<= sll_update_at_~index |sll_update_at_#in~index|) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse4 .cse3 .cse5 (<= |sll_update_at_#in~index| sll_update_at_~index) .cse6))) (and (let ((.cse0 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|))) (or (and (<= 2 |sll_update_at_#in~index|) .cse0) .cse1 (let ((.cse2 (+ |sll_update_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse2) sll_update_at_~head.offset) .cse3 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse2)) .cse0)))) (or (and (<= 1 |sll_update_at_#in~index|) .cse4 .cse5 .cse6) .cse1)))) [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-21 22:46:28,579 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-21 22:46:28,580 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 22:46:28,580 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-21 22:46:28,580 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-21 22:46:28,580 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-21 22:46:28,580 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-21 22:46:28,580 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-21 22:46:28,581 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-21 22:46:28,581 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-21 22:46:28,581 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0) (and (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) sll_create_~head~0.base)) .cse0))) [2020-07-21 22:46:28,581 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-21 22:46:28,581 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 22:46:28,582 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-21 22:46:28,582 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-21 22:46:28,582 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-21 22:46:28,582 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-21 22:46:28,582 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 22:46:28,582 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 22:46:28,582 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 22:46:28,583 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-21 22:46:28,583 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (let ((.cse2 (<= 1 |sll_get_data_at_#in~index|)) (.cse3 (<= sll_get_data_at_~index 0))) (or (<= 2 |sll_get_data_at_#in~index|) (forall ((v_main_~s~0.offset_BEFORE_CALL_5 Int) (v_main_~s~0.base_BEFORE_CALL_5 Int)) (let ((.cse0 (select (select |#memory_int| v_main_~s~0.base_BEFORE_CALL_5) v_main_~s~0.offset_BEFORE_CALL_5))) (or (not (<= (div (+ (* .cse0 (- 1)) (- 2)) (- 2)) 2)) (not (= 0 (mod .cse0 (- 2))))))) (let ((.cse1 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse1)) .cse2 .cse3 (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse1)))) (forall ((v_main_~s~0.offset_BEFORE_CALL_3 Int) (v_main_~s~0.base_BEFORE_CALL_3 Int)) (let ((.cse5 (+ v_main_~s~0.offset_BEFORE_CALL_3 4))) (let ((.cse4 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) .cse5))) (or (not (= 0 (mod (+ (select (select |#memory_int| .cse4) (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_3) .cse5)) 1) 2))) (= v_main_~s~0.base_BEFORE_CALL_3 .cse4))))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (or .cse2 .cse3) (< sll_get_data_at_~index 2) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (<= |sll_get_data_at_#in~index| sll_get_data_at_~index)))) [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-21 22:46:28,583 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse2 (+ main_~s~0.offset 4))) (let ((.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse2))) (let ((.cse3 (not (= .cse1 main_~s~0.base))) (.cse0 (* main_~len~0 2))) (or (and (<= main_~len~0 2) (= (+ main_~new_data~0 2) .cse0) (= .cse0 (+ (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse2)) 1)) (<= 2 main_~len~0) .cse3 (= main_~len~0 (+ main_~i~0 2))) (and (= main_~len~0 (+ main_~i~0 1)) .cse3 (<= main_~i~0 1) (= .cse0 (+ main_~new_data~0 1)) (<= 1 main_~i~0)))))) [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-21 22:46:28,583 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-21 22:46:28,584 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9)) (.cse7 (* main_~len~0 2))) (let ((.cse0 (= (+ main_~new_data~0 2) .cse7)) (.cse1 (= .cse7 (+ (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)) 1))) (.cse2 (not (= .cse8 main_~s~0.base))) (.cse4 (<= main_~i~0 1)) (.cse3 (= .cse7 (+ .cse6 2)))) (or (and (or (and .cse0 .cse1 (<= 2 main_~len~0) .cse2 .cse3 (= main_~len~0 (+ main_~i~0 2))) (let ((.cse5 (div (+ (* main_~expected~0 (- 2)) .cse6 2) (- 2)))) (and .cse0 .cse1 .cse2 .cse4 (<= (+ (* 2 .cse5) 2) main_~expected~0) (<= 0 .cse5) .cse3))) (<= main_~len~0 2)) (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 .cse2 .cse4 (<= 1 main_~i~0) .cse3))))) [2020-07-21 22:46:28,584 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-07-21 22:46:28,584 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 22:46:28,584 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse3 (* main_~len~0 2)) (.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse1 (<= main_~i~0 1)) (.cse2 (<= main_~len~0 2)) (.cse4 (= .cse3 (+ (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)) 1))) (.cse5 (<= 2 main_~len~0)) (.cse0 (not (= .cse6 main_~s~0.base)))) (or (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 (<= 1 main_~i~0)) (and .cse2 (= (+ main_~new_data~0 2) .cse3) .cse4 .cse5 .cse0 .cse1 (= .cse3 (+ (select (select |#memory_int| main_~s~0.base) main_~s~0.offset) 2))) (and .cse2 .cse4 .cse5 .cse0 (= .cse3 (+ main_~new_data~0 1)) (= main_~len~0 (+ main_~i~0 2))))))) [2020-07-21 22:46:28,584 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-21 22:46:28,584 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-21 22:46:28,584 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-21 22:46:28,584 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-21 22:46:28,585 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-21 22:46:28,585 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-21 22:46:28,585 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 22:46:28,585 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 22:46:28,585 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse5 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse6 (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9))) (.cse7 (* main_~len~0 2))) (let ((.cse0 (= (+ main_~new_data~0 2) .cse7)) (.cse1 (= .cse7 (+ .cse6 1))) (.cse2 (not (= .cse8 main_~s~0.base))) (.cse4 (= .cse7 (+ .cse5 2)))) (or (let ((.cse3 (div (+ (* main_~expected~0 (- 2)) .cse5 2) (- 2)))) (and (<= main_~len~0 2) .cse0 .cse1 .cse2 (<= (+ (* 2 .cse3) 2) main_~expected~0) (<= 0 .cse3) .cse4 (= main_~len~0 (+ main_~i~0 2)))) (and (= main_~len~0 (+ main_~i~0 1)) .cse0 .cse1 (= (+ (* (div (+ .cse6 (- 1)) 2) 2) 1) main_~expected~0) .cse2 (<= main_~i~0 1) (<= 1 main_~i~0) .cse4)))))) [2020-07-21 22:46:28,585 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 22:46:28,585 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-21 22:46:28,585 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 22:46:28,586 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-21 22:46:28,586 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-21 22:46:28,586 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-21 22:46:28,586 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-21 22:46:28,586 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-21 22:46:28,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,595 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,596 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,597 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 22:46:28,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,597 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 22:46:28,597 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,597 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 22:46:28,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,598 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 22:46:28,598 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,599 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,600 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,603 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,604 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,605 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,606 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 22:46:28,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,606 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 22:46:28,606 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,607 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 22:46:28,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,607 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 22:46:28,607 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,607 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,608 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,610 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,611 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,612 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,614 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,615 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,616 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,618 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,619 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,620 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,621 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,622 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,625 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,630 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,631 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,632 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,633 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,634 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,635 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,636 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,637 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,640 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,641 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,642 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,644 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,645 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,646 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,654 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,657 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:46:28 BoogieIcfgContainer [2020-07-21 22:46:28,661 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 22:46:28,664 INFO L168 Benchmark]: Toolchain (without parser) took 33056.21 ms. Allocated memory was 144.2 MB in the beginning and 353.4 MB in the end (delta: 209.2 MB). Free memory was 100.3 MB in the beginning and 263.2 MB in the end (delta: -162.9 MB). Peak memory consumption was 223.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:46:28,664 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 22:46:28,665 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.74 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.0 MB in the beginning and 167.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. [2020-07-21 22:46:28,670 INFO L168 Benchmark]: Boogie Preprocessor took 69.41 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 164.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2020-07-21 22:46:28,671 INFO L168 Benchmark]: RCFGBuilder took 684.56 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 117.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:46:28,671 INFO L168 Benchmark]: TraceAbstraction took 31684.69 ms. Allocated memory was 202.4 MB in the beginning and 353.4 MB in the end (delta: 151.0 MB). Free memory was 116.4 MB in the beginning and 263.2 MB in the end (delta: -146.8 MB). Peak memory consumption was 181.6 MB. Max. memory is 7.1 GB. [2020-07-21 22:46:28,673 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.2 MB. Free memory is still 120.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 610.74 ms. Allocated memory was 144.2 MB in the beginning and 202.4 MB in the end (delta: 58.2 MB). Free memory was 100.0 MB in the beginning and 167.7 MB in the end (delta: -67.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 69.41 ms. Allocated memory is still 202.4 MB. Free memory was 167.4 MB in the beginning and 164.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 684.56 ms. Allocated memory is still 202.4 MB. Free memory was 164.7 MB in the beginning and 117.1 MB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 31684.69 ms. Allocated memory was 202.4 MB in the beginning and 353.4 MB in the end (delta: 151.0 MB). Free memory was 116.4 MB in the beginning and 263.2 MB in the end (delta: -146.8 MB). Peak memory consumption was 181.6 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_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] - 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 Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ * 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 22:46:28,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,698 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,699 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,700 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 22:46:28,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,700 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,700 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 22:46:28,700 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,700 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 22:46:28,701 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,701 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 22:46:28,701 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,704 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,705 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,706 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_5,QUANTIFIED] [2020-07-21 22:46:28,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,706 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,707 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,707 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 22:46:28,707 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,709 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 22:46:28,709 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,709 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 22:46:28,709 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,709 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 22:46:28,710 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.offset_BEFORE_CALL_3,QUANTIFIED] [2020-07-21 22:46:28,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,710 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) || (forall v_main_~s~0.offset_BEFORE_CALL_5 : int, v_main_~s~0.base_BEFORE_CALL_5 : int :: !((unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_5][v_main_~s~0.offset_BEFORE_CALL_5] * -1 + -2) / -2 <= 2) || !(0 == unknown-#memory_int-unknown[v_main_~s~0.base_BEFORE_CALL_5][v_main_~s~0.offset_BEFORE_CALL_5] % -2))) || (((head == #memory_$Pointer$[head][head + 4] && 1 <= \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4])) || (forall v_main_~s~0.offset_BEFORE_CALL_3 : int, v_main_~s~0.base_BEFORE_CALL_3 : int :: !(0 == (unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]] + 1) % 2) || v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4])) || ((((head == head && (1 <= \old(index) || index <= 0)) && index < 2) && head == head) && \old(index) <= index) - InvariantResult [Line: 611]: Loop Invariant [2020-07-21 22:46:28,714 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,715 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,716 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,717 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,717 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,718 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,719 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,720 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,721 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,722 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,723 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,724 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,725 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,726 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,727 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,728 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,729 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: (((((((new_data + 2 == len * 2 && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) && len == i + 2) || ((((((new_data + 2 == len * 2 && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 2 * ((expected * -2 + unknown-#memory_int-unknown[s][s] + 2) / -2) + 2 <= expected) && 0 <= (expected * -2 + unknown-#memory_int-unknown[s][s] + 2) / -2) && len * 2 == unknown-#memory_int-unknown[s][s] + 2)) && len <= 2) || ((((((len == i + 1 && new_data + 2 == len * 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 1 <= i) && len * 2 == unknown-#memory_int-unknown[s][s] + 2) - InvariantResult [Line: 596]: Loop Invariant [2020-07-21 22:46:28,729 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,730 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,731 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,732 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,733 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,734 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,735 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,740 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,741 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,743 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,743 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,744 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,745 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,746 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((2 <= \old(index) && index + 1 <= \old(index)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || (((#memory_$Pointer$[head][head + 4] == head && data == \old(data)) && head == #memory_$Pointer$[head][head + 4]) && index + 1 <= \old(index))) && ((((1 <= \old(index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 607]: Loop Invariant [2020-07-21 22:46:28,747 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,748 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,751 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,753 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,754 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,756 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,757 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,757 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,758 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((len == i + 1 && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 1 <= i) || ((((((len <= 2 && new_data + 2 == len * 2) && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && len * 2 == unknown-#memory_int-unknown[s][s] + 2)) || (((((len <= 2 && len * 2 == unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] + 1) && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && len * 2 == new_data + 1) && len == i + 2) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-21 22:46:28,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,759 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,760 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 22:46:28,761 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,762 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 22:46:28,762 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 && 1 == \valid[head])) || (!(#memory_$Pointer$[head][head + 4] == 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: 30.1s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 17.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 553 SDtfs, 424 SDslu, 2170 SDs, 0 SdLazy, 2329 SolverSat, 259 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1155 GetRequests, 963 SyntacticMatches, 26 SemanticMatches, 166 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 18.5s 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, 13 MinimizatonAttempts, 66 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 76 PreInvPairs, 117 NumberOfFragments, 984 HoareAnnotationTreeSize, 76 FomulaSimplifications, 3665 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 24 FomulaSimplificationsInter, 1460 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 680 NumberOfCodeBlocks, 592 NumberOfCodeBlocksAsserted, 42 NumberOfCheckSat, 1075 ConstructedInterpolants, 19 QuantifiedInterpolants, 256269 SizeOfPredicates, 68 NumberOfNonLiveVariables, 2960 ConjunctsInSsa, 199 ConjunctsInUnsatCore, 20 InterpolantComputations, 8 PerfectInterpolantSequences, 350/400 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...