/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 DAGSIZE --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 20:02:48,463 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 20:02:48,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 20:02:48,479 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 20:02:48,479 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 20:02:48,480 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 20:02:48,481 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 20:02:48,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 20:02:48,485 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 20:02:48,486 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 20:02:48,487 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 20:02:48,488 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 20:02:48,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 20:02:48,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 20:02:48,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 20:02:48,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 20:02:48,493 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 20:02:48,494 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 20:02:48,495 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 20:02:48,497 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 20:02:48,499 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 20:02:48,500 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 20:02:48,501 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 20:02:48,501 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 20:02:48,504 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 20:02:48,504 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 20:02:48,505 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 20:02:48,506 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 20:02:48,506 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 20:02:48,507 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 20:02:48,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 20:02:48,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 20:02:48,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 20:02:48,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 20:02:48,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 20:02:48,511 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 20:02:48,512 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 20:02:48,512 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 20:02:48,512 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 20:02:48,513 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 20:02:48,514 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 20:02:48,515 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 20:02:48,530 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 20:02:48,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 20:02:48,532 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 20:02:48,532 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 20:02:48,532 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 20:02:48,533 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 20:02:48,533 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 20:02:48,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 20:02:48,533 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 20:02:48,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 20:02:48,534 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 20:02:48,534 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 20:02:48,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 20:02:48,534 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 20:02:48,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 20:02:48,535 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 20:02:48,535 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 20:02:48,535 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 20:02:48,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 20:02:48,535 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 20:02:48,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 20:02:48,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 20:02:48,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 20:02:48,536 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 20:02:48,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 20:02:48,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 20:02:48,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:48,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 20:02:48,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 20:02:48,537 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 -> DAGSIZE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 20:02:48,902 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 20:02:48,914 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 20:02:48,919 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 20:02:48,921 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 20:02:48,921 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 20:02:48,922 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 20:02:49,005 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae118adf7/9102e408360f40d09d0fd5180bb23d59/FLAG1a522e88d [2020-07-21 20:02:49,568 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 20:02:49,569 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-21 20:02:49,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae118adf7/9102e408360f40d09d0fd5180bb23d59/FLAG1a522e88d [2020-07-21 20:02:49,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ae118adf7/9102e408360f40d09d0fd5180bb23d59 [2020-07-21 20:02:49,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 20:02:49,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 20:02:49,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 20:02:49,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 20:02:49,885 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 20:02:49,886 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:02:49" (1/1) ... [2020-07-21 20:02:49,890 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bff0d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:49, skipping insertion in model container [2020-07-21 20:02:49,890 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 08:02:49" (1/1) ... [2020-07-21 20:02:49,900 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 20:02:49,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 20:02:50,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:02:50,411 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 20:02:50,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 20:02:50,585 INFO L208 MainTranslator]: Completed translation [2020-07-21 20:02:50,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50 WrapperNode [2020-07-21 20:02:50,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 20:02:50,588 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 20:02:50,588 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 20:02:50,588 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 20:02:50,602 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,621 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,622 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,647 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,651 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (1/1) ... [2020-07-21 20:02:50,659 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 20:02:50,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 20:02:50,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 20:02:50,660 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 20:02:50,661 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (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 20:02:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 20:02:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 20:02:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-21 20:02:50,733 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-21 20:02:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-21 20:02:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-21 20:02:50,734 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-21 20:02:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-21 20:02:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-21 20:02:50,735 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-21 20:02:50,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 20:02:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 20:02:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-21 20:02:50,736 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-21 20:02:50,737 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-21 20:02:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-21 20:02:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-21 20:02:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-21 20:02:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-21 20:02:50,738 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-21 20:02:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-21 20:02:50,739 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-21 20:02:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-21 20:02:50,740 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-21 20:02:50,741 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-21 20:02:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-21 20:02:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-21 20:02:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-21 20:02:50,743 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-21 20:02:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-21 20:02:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-21 20:02:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-21 20:02:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-21 20:02:50,744 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-21 20:02:50,745 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-21 20:02:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-21 20:02:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-21 20:02:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-21 20:02:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-21 20:02:50,746 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-21 20:02:50,747 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-21 20:02:50,748 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-21 20:02:50,749 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-21 20:02:50,750 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-21 20:02:50,751 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-21 20:02:50,752 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-21 20:02:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-21 20:02:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-21 20:02:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-21 20:02:50,753 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-21 20:02:50,754 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-21 20:02:50,755 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-21 20:02:50,756 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-21 20:02:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-21 20:02:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-21 20:02:50,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 20:02:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 20:02:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 20:02:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-21 20:02:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-21 20:02:50,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 20:02:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 20:02:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-21 20:02:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 20:02:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-21 20:02:50,759 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 20:02:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 20:02:50,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 20:02:51,174 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-21 20:02:51,332 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 20:02:51,332 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-21 20:02:51,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:02:51 BoogieIcfgContainer [2020-07-21 20:02:51,337 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 20:02:51,338 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 20:02:51,338 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 20:02:51,342 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 20:02:51,342 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 08:02:49" (1/3) ... [2020-07-21 20:02:51,343 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccf25d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:02:51, skipping insertion in model container [2020-07-21 20:02:51,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 08:02:50" (2/3) ... [2020-07-21 20:02:51,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ccf25d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 08:02:51, skipping insertion in model container [2020-07-21 20:02:51,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 08:02:51" (3/3) ... [2020-07-21 20:02:51,346 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-21 20:02:51,357 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 20:02:51,366 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 20:02:51,381 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 20:02:51,406 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 20:02:51,406 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 20:02:51,406 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 20:02:51,407 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 20:02:51,407 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 20:02:51,407 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 20:02:51,407 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 20:02:51,407 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 20:02:51,425 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-21 20:02:51,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 20:02:51,433 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:51,434 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 20:02:51,434 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:51,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:51,439 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-21 20:02:51,446 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:51,447 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1179150852] [2020-07-21 20:02:51,447 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:51,641 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:51,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:51,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 20:02:51,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:51,680 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 20:02:51,680 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:02:51,681 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1179150852] [2020-07-21 20:02:51,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:02:51,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 20:02:51,683 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626126149] [2020-07-21 20:02:51,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 20:02:51,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:51,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 20:02:51,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 20:02:51,709 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 2 states. [2020-07-21 20:02:51,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:51,739 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2020-07-21 20:02:51,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 20:02:51,741 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 25 [2020-07-21 20:02:51,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:51,752 INFO L225 Difference]: With dead ends: 90 [2020-07-21 20:02:51,753 INFO L226 Difference]: Without dead ends: 42 [2020-07-21 20:02:51,764 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 20:02:51,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-07-21 20:02:51,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-07-21 20:02:51,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-07-21 20:02:51,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 46 transitions. [2020-07-21 20:02:51,825 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 46 transitions. Word has length 25 [2020-07-21 20:02:51,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:51,825 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 46 transitions. [2020-07-21 20:02:51,826 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 20:02:51,826 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 46 transitions. [2020-07-21 20:02:51,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-21 20:02:51,827 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:51,827 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 20:02:52,040 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:52,041 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:52,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:52,042 INFO L82 PathProgramCache]: Analyzing trace with hash -404189262, now seen corresponding path program 1 times [2020-07-21 20:02:52,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:52,043 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2027934178] [2020-07-21 20:02:52,044 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:52,150 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:52,150 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:52,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 20:02:52,154 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:52,204 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 20:02:52,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:02:52,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2027934178] [2020-07-21 20:02:52,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:02:52,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-21 20:02:52,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935132602] [2020-07-21 20:02:52,208 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-21 20:02:52,208 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:52,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-21 20:02:52,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:02:52,209 INFO L87 Difference]: Start difference. First operand 42 states and 46 transitions. Second operand 5 states. [2020-07-21 20:02:52,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:52,272 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2020-07-21 20:02:52,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-21 20:02:52,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-07-21 20:02:52,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:52,276 INFO L225 Difference]: With dead ends: 71 [2020-07-21 20:02:52,276 INFO L226 Difference]: Without dead ends: 46 [2020-07-21 20:02:52,277 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 20:02:52,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-07-21 20:02:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2020-07-21 20:02:52,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-07-21 20:02:52,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 47 transitions. [2020-07-21 20:02:52,292 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 47 transitions. Word has length 25 [2020-07-21 20:02:52,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:52,293 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 47 transitions. [2020-07-21 20:02:52,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-21 20:02:52,293 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 47 transitions. [2020-07-21 20:02:52,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-21 20:02:52,295 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:52,295 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 20:02:52,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:52,499 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:52,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:52,500 INFO L82 PathProgramCache]: Analyzing trace with hash 965527869, now seen corresponding path program 1 times [2020-07-21 20:02:52,500 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:52,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45158171] [2020-07-21 20:02:52,500 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:52,622 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:52,622 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:52,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 20:02:52,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:52,643 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:02:52,643 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:02:52,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45158171] [2020-07-21 20:02:52,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:02:52,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-21 20:02:52,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79309090] [2020-07-21 20:02:52,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-21 20:02:52,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:52,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-21 20:02:52,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-21 20:02:52,646 INFO L87 Difference]: Start difference. First operand 43 states and 47 transitions. Second operand 4 states. [2020-07-21 20:02:52,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:52,689 INFO L93 Difference]: Finished difference Result 66 states and 74 transitions. [2020-07-21 20:02:52,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-21 20:02:52,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-07-21 20:02:52,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:52,691 INFO L225 Difference]: With dead ends: 66 [2020-07-21 20:02:52,691 INFO L226 Difference]: Without dead ends: 53 [2020-07-21 20:02:52,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-21 20:02:52,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-07-21 20:02:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 44. [2020-07-21 20:02:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2020-07-21 20:02:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 48 transitions. [2020-07-21 20:02:52,700 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 48 transitions. Word has length 34 [2020-07-21 20:02:52,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:52,701 INFO L479 AbstractCegarLoop]: Abstraction has 44 states and 48 transitions. [2020-07-21 20:02:52,701 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-21 20:02:52,701 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 48 transitions. [2020-07-21 20:02:52,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-07-21 20:02:52,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:52,702 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:02:52,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:52,916 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:52,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:52,917 INFO L82 PathProgramCache]: Analyzing trace with hash 1586404999, now seen corresponding path program 1 times [2020-07-21 20:02:52,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:52,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1209609285] [2020-07-21 20:02:52,918 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:53,091 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:53,092 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:53,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:02:53,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:53,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-21 20:02:53,171 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:02:53,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1209609285] [2020-07-21 20:02:53,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:02:53,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 20:02:53,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217515533] [2020-07-21 20:02:53,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:02:53,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:53,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:02:53,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:02:53,174 INFO L87 Difference]: Start difference. First operand 44 states and 48 transitions. Second operand 6 states. [2020-07-21 20:02:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:53,259 INFO L93 Difference]: Finished difference Result 78 states and 89 transitions. [2020-07-21 20:02:53,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 20:02:53,260 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2020-07-21 20:02:53,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:53,263 INFO L225 Difference]: With dead ends: 78 [2020-07-21 20:02:53,263 INFO L226 Difference]: Without dead ends: 57 [2020-07-21 20:02:53,264 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:02:53,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-07-21 20:02:53,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 49. [2020-07-21 20:02:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-21 20:02:53,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-07-21 20:02:53,274 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 42 [2020-07-21 20:02:53,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:53,275 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-07-21 20:02:53,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:02:53,275 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-07-21 20:02:53,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-07-21 20:02:53,277 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:53,278 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 20:02:53,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:53,492 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:53,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:53,492 INFO L82 PathProgramCache]: Analyzing trace with hash 643032100, now seen corresponding path program 1 times [2020-07-21 20:02:53,493 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:53,493 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [765822890] [2020-07-21 20:02:53,493 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:53,621 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:53,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:53,623 INFO L263 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:02:53,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:53,671 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 20:02:53,671 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:02:53,781 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:02:53,793 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-21 20:02:53,794 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [765822890] [2020-07-21 20:02:53,794 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:02:53,794 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2020-07-21 20:02:53,795 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716797705] [2020-07-21 20:02:53,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 20:02:53,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:53,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 20:02:53,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-07-21 20:02:53,796 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 8 states. [2020-07-21 20:02:53,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:53,850 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2020-07-21 20:02:53,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:02:53,850 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 43 [2020-07-21 20:02:53,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:53,852 INFO L225 Difference]: With dead ends: 87 [2020-07-21 20:02:53,852 INFO L226 Difference]: Without dead ends: 56 [2020-07-21 20:02:53,853 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 76 SyntacticMatches, 3 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:02:53,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-21 20:02:53,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 53. [2020-07-21 20:02:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-07-21 20:02:53,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2020-07-21 20:02:53,862 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 43 [2020-07-21 20:02:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:53,862 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2020-07-21 20:02:53,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 20:02:53,862 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2020-07-21 20:02:53,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 20:02:53,864 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:53,864 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 20:02:54,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:54,080 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:54,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:54,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1916727535, now seen corresponding path program 2 times [2020-07-21 20:02:54,082 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:54,082 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936608767] [2020-07-21 20:02:54,083 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:54,235 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:54,235 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:54,237 INFO L263 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:02:54,240 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 20:02:54,289 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:02:54,372 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-21 20:02:54,373 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936608767] [2020-07-21 20:02:54,373 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 20:02:54,373 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 20:02:54,373 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496462402] [2020-07-21 20:02:54,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:02:54,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:54,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:02:54,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:02:54,393 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2020-07-21 20:02:54,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:54,442 INFO L93 Difference]: Finished difference Result 68 states and 77 transitions. [2020-07-21 20:02:54,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 20:02:54,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-21 20:02:54,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:54,444 INFO L225 Difference]: With dead ends: 68 [2020-07-21 20:02:54,444 INFO L226 Difference]: Without dead ends: 55 [2020-07-21 20:02:54,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 95 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-21 20:02:54,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-21 20:02:54,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-21 20:02:54,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-21 20:02:54,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2020-07-21 20:02:54,453 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 52 [2020-07-21 20:02:54,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:54,453 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2020-07-21 20:02:54,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:02:54,454 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2020-07-21 20:02:54,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 20:02:54,455 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:54,455 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 20:02:54,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:54,656 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:54,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:54,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1237251129, now seen corresponding path program 3 times [2020-07-21 20:02:54,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:54,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218618666] [2020-07-21 20:02:54,657 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:54,849 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:54,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:54,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-21 20:02:54,855 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:54,896 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 20:02:54,897 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 20:02:54,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218618666] [2020-07-21 20:02:54,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 20:02:54,898 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 20:02:54,898 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225362776] [2020-07-21 20:02:54,899 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 20:02:54,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:02:54,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 20:02:54,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-21 20:02:54,900 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand 6 states. [2020-07-21 20:02:54,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:02:54,962 INFO L93 Difference]: Finished difference Result 79 states and 90 transitions. [2020-07-21 20:02:54,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 20:02:54,962 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 20:02:54,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:02:54,964 INFO L225 Difference]: With dead ends: 79 [2020-07-21 20:02:54,964 INFO L226 Difference]: Without dead ends: 67 [2020-07-21 20:02:54,965 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 20:02:54,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-07-21 20:02:54,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 61. [2020-07-21 20:02:54,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-21 20:02:54,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-21 20:02:54,974 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 60 [2020-07-21 20:02:54,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:02:54,974 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-21 20:02:54,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 20:02:54,975 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-21 20:02:54,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-21 20:02:54,976 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:02:54,976 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 20:02:55,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:55,192 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:02:55,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:02:55,193 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 1 times [2020-07-21 20:02:55,193 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:02:55,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1351013576] [2020-07-21 20:02:55,194 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:02:55,366 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:02:55,367 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:02:55,370 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 113 conjunts are in the unsatisfiable core [2020-07-21 20:02:55,374 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:02:55,413 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 20:02:55,414 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,417 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,417 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,417 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-21 20:02:55,499 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,500 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 20:02:55,501 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-21 20:02:55,502 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,505 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,505 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,506 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:4 [2020-07-21 20:02:55,530 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 20:02:55,531 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,538 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,543 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 20:02:55,543 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,548 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,549 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 20:02:55,550 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:31, output treesize:10 [2020-07-21 20:02:55,834 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 20:02:55,835 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,854 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,854 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,855 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:126, output treesize:116 [2020-07-21 20:02:55,944 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 131 treesize of output 97 [2020-07-21 20:02:55,945 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:55,956 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,986 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:55,986 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 96 treesize of output 120 [2020-07-21 20:02:55,989 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[5, 3, 2, 1] term [2020-07-21 20:02:55,990 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 5 disjuncts [2020-07-21 20:02:55,991 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:56,007 INFO L624 ElimStorePlain]: treesize reduction 48, result has 51.5 percent of original size [2020-07-21 20:02:56,007 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:02:56,008 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:141, output treesize:51 [2020-07-21 20:02:57,970 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 20:02:58,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 20:02:58,008 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 42 [2020-07-21 20:02:58,009 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:58,026 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:58,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-21 20:02:58,035 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 56 treesize of output 38 [2020-07-21 20:02:58,036 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:58,053 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:58,058 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 35 [2020-07-21 20:02:58,059 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 20:02:58,072 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:02:58,073 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 20:02:58,073 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:95, output treesize:51 [2020-07-21 20:03:00,133 WARN L860 $PredicateComparison]: unable to prove that (exists ((v_main_~s~0.offset_BEFORE_CALL_3 Int) (v_main_~s~0.base_BEFORE_CALL_3 Int)) (not (= v_main_~s~0.base_BEFORE_CALL_3 (select (select |c_#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) (+ v_main_~s~0.offset_BEFORE_CALL_3 4))))) is different from true [2020-07-21 20:03:02,247 WARN L193 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 20 [2020-07-21 20:03:03,324 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification that was a NOOP. DAG size: 30 [2020-07-21 20:03:05,410 WARN L193 SmtUtils]: Spent 2.02 s on a formula simplification that was a NOOP. DAG size: 28 [2020-07-21 20:03:07,480 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 29 [2020-07-21 20:03:07,500 INFO L440 ElimStorePlain]: Different costs {0=[|#memory_$Pointer$.offset|, |#memory_int|], 2=[|#memory_$Pointer$.base|]} [2020-07-21 20:03:07,504 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 58 treesize of output 40 [2020-07-21 20:03:07,505 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 20:03:07,516 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:07,520 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 10 [2020-07-21 20:03:07,521 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-21 20:03:07,529 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:07,536 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:07,537 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 21 treesize of output 25 [2020-07-21 20:03:07,539 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:03:07,540 INFO L501 QuantifierPusher]: Distributing 3 conjuncts over 2 disjuncts [2020-07-21 20:03:07,541 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-21 20:03:07,546 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:07,547 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 20:03:07,547 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 7 variables, input treesize:78, output treesize:7 [2020-07-21 20:03:07,612 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 7 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 2 not checked. [2020-07-21 20:03:07,613 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:03:07,812 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:07,813 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 20:03:07,814 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-21 20:03:09,455 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 20:03:09,611 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:09,613 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:09,615 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:09,634 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 20:03:09,638 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 20:03:09,659 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:09,664 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 20:03:09,676 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-21 20:03:09,696 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:09,699 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: 8 dim-0 vars, and 2 xjuncts. [2020-07-21 20:03:09,699 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:129, output treesize:77 [2020-07-21 20:03:11,348 WARN L838 $PredicateComparison]: unable to prove that (and (forall ((v_prenex_2 Int) (v_prenex_1 Int) (v_DerPreprocessor_3 Int) (v_DerPreprocessor_2 Int)) (or (< c_main_~len~0 (let ((.cse0 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_prenex_1 v_prenex_2)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_prenex_1 v_DerPreprocessor_2) .cse0)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_prenex_1 v_DerPreprocessor_3) .cse0)))) (< c_main_~s~0.offset v_prenex_1))) (forall ((v_sll_update_at_~head.offset_18 Int) (v_DerPreprocessor_4 Int) (v_sll_update_at_~data_12 Int) (v_DerPreprocessor_1 Int)) (or (< c_main_~s~0.offset v_sll_update_at_~head.offset_18) (< (let ((.cse1 (+ c_main_~s~0.offset 4))) (select (select (store |c_#memory_int| c_main_~s~0.base (store (select |c_#memory_int| c_main_~s~0.base) v_sll_update_at_~head.offset_18 v_sll_update_at_~data_12)) (select (store (select |c_#memory_$Pointer$.base| c_main_~s~0.base) v_sll_update_at_~head.offset_18 v_DerPreprocessor_1) .cse1)) (select (store (select |c_#memory_$Pointer$.offset| c_main_~s~0.base) v_sll_update_at_~head.offset_18 v_DerPreprocessor_4) .cse1))) (+ c_main_~len~0 2))))) is different from false [2020-07-21 20:03:11,351 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1351013576] [2020-07-21 20:03:11,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-21 20:03:11,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-21 20:03:11,352 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371118641] [2020-07-21 20:03:11,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-21 20:03:11,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:03:11,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-21 20:03:11,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=1108, Unknown=4, NotChecked=204, Total=1406 [2020-07-21 20:03:11,354 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 31 states. [2020-07-21 20:03:17,562 WARN L193 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 33 [2020-07-21 20:03:29,572 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2020-07-21 20:03:30,505 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2020-07-21 20:03:33,609 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2020-07-21 20:03:34,661 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2020-07-21 20:03:35,992 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2020-07-21 20:03:36,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:03:36,326 INFO L93 Difference]: Finished difference Result 94 states and 115 transitions. [2020-07-21 20:03:36,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-07-21 20:03:36,327 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-07-21 20:03:36,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:03:36,329 INFO L225 Difference]: With dead ends: 94 [2020-07-21 20:03:36,329 INFO L226 Difference]: Without dead ends: 92 [2020-07-21 20:03:36,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 36.7s TimeCoverageRelationStatistics Valid=225, Invalid=2630, Unknown=19, NotChecked=318, Total=3192 [2020-07-21 20:03:36,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-21 20:03:36,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 89. [2020-07-21 20:03:36,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 20:03:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 110 transitions. [2020-07-21 20:03:36,375 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 110 transitions. Word has length 61 [2020-07-21 20:03:36,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:03:36,376 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 110 transitions. [2020-07-21 20:03:36,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-21 20:03:36,379 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 110 transitions. [2020-07-21 20:03:36,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 20:03:36,383 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:03:36,384 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 20:03:36,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:36,585 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:03:36,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:03:36,586 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 2 times [2020-07-21 20:03:36,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:03:36,587 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1354668799] [2020-07-21 20:03:36,587 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:36,988 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:03:36,989 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:03:36,992 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:03:36,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:03:37,061 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 20:03:37,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:03:37,192 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 20:03:37,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1354668799] [2020-07-21 20:03:37,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 20:03:37,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-21 20:03:37,193 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777220928] [2020-07-21 20:03:37,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-21 20:03:37,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:03:37,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-21 20:03:37,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:03:37,195 INFO L87 Difference]: Start difference. First operand 89 states and 110 transitions. Second operand 7 states. [2020-07-21 20:03:37,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:03:37,280 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions. [2020-07-21 20:03:37,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 20:03:37,281 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-21 20:03:37,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:03:37,283 INFO L225 Difference]: With dead ends: 125 [2020-07-21 20:03:37,283 INFO L226 Difference]: Without dead ends: 89 [2020-07-21 20:03:37,284 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 20:03:37,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-21 20:03:37,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-21 20:03:37,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-21 20:03:37,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-21 20:03:37,299 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-21 20:03:37,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:03:37,299 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-21 20:03:37,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-21 20:03:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-21 20:03:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 20:03:37,301 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:03:37,301 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 20:03:37,516 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:37,517 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:03:37,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:03:37,517 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 3 times [2020-07-21 20:03:37,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:03:37,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1192423169] [2020-07-21 20:03:37,518 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:37,665 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 1 check-sat command(s) [2020-07-21 20:03:37,665 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:03:37,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-21 20:03:37,669 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:03:37,706 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 20:03:37,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:03:37,813 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 20:03:37,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1192423169] [2020-07-21 20:03:37,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:03:37,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-21 20:03:37,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243314663] [2020-07-21 20:03:37,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-21 20:03:37,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:03:37,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-21 20:03:37,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-21 20:03:37,815 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 9 states. [2020-07-21 20:03:37,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:03:37,910 INFO L93 Difference]: Finished difference Result 104 states and 120 transitions. [2020-07-21 20:03:37,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 20:03:37,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-21 20:03:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:03:37,912 INFO L225 Difference]: With dead ends: 104 [2020-07-21 20:03:37,913 INFO L226 Difference]: Without dead ends: 63 [2020-07-21 20:03:37,914 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 20:03:37,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-07-21 20:03:37,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-07-21 20:03:37,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-21 20:03:37,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 70 transitions. [2020-07-21 20:03:37,922 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 70 transitions. Word has length 62 [2020-07-21 20:03:37,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:03:37,923 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 70 transitions. [2020-07-21 20:03:37,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-21 20:03:37,923 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 70 transitions. [2020-07-21 20:03:37,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-21 20:03:37,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 20:03:37,925 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 20:03:38,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:38,140 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 20:03:38,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 20:03:38,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-21 20:03:38,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 20:03:38,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362927714] [2020-07-21 20:03:38,141 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:38,329 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 20:03:38,330 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 20:03:38,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-21 20:03:38,335 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 20:03:38,384 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 20:03:38,384 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:03:38,388 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:38,389 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:03:38,389 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-07-21 20:03:38,506 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2020-07-21 20:03:38,507 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-21 20:03:38,512 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:38,512 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-21 20:03:38,513 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2020-07-21 20:03:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 20:03:38,540 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 20:03:38,639 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:38,639 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:38,640 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 20:03:38,724 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 20:03:38,839 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:38,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 20:03:38,841 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 20:03:38,862 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 24 [2020-07-21 20:03:38,863 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-21 20:03:38,873 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-21 20:03:38,873 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-07-21 20:03:38,873 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:13 [2020-07-21 20:03:38,916 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-21 20:03:38,967 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-21 20:03:38,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362927714] [2020-07-21 20:03:38,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-21 20:03:38,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2020-07-21 20:03:38,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7218537] [2020-07-21 20:03:38,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-21 20:03:38,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 20:03:38,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-21 20:03:38,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-21 20:03:38,970 INFO L87 Difference]: Start difference. First operand 63 states and 70 transitions. Second operand 17 states. [2020-07-21 20:03:39,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 20:03:39,402 INFO L93 Difference]: Finished difference Result 64 states and 73 transitions. [2020-07-21 20:03:39,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 20:03:39,403 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-07-21 20:03:39,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 20:03:39,404 INFO L225 Difference]: With dead ends: 64 [2020-07-21 20:03:39,404 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 20:03:39,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2020-07-21 20:03:39,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 20:03:39,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 20:03:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 20:03:39,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 20:03:39,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-07-21 20:03:39,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 20:03:39,410 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 20:03:39,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-21 20:03:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 20:03:39,410 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 20:03:39,619 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 20:03:39,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 20:03:46,196 WARN L193 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 49 DAG size of output: 37 [2020-07-21 20:03:46,386 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2020-07-21 20:03:46,541 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:03:46,542 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-21 20:03:46,542 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:03:46,542 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-21 20:03:46,542 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-21 20:03:46,542 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-21 20:03:46,542 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-21 20:03:46,542 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-21 20:03:46,542 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (+ sll_update_at_~index 1))) (let ((.cse5 (<= .cse0 |sll_update_at_#in~index|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse4 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse6 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (let ((.cse1 (+ |sll_update_at_#in~head.offset| 4))) (and (<= |sll_update_at_#in~index| .cse0) (<= 1 |sll_update_at_#in~index|) (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse1) sll_update_at_~head.offset) .cse2 .cse3 .cse4 .cse5 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse1)) .cse6)) (and .cse2 .cse4 (<= 2 |sll_update_at_#in~index|) .cse5 .cse6) (and (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) (= |sll_update_at_#in~index| sll_update_at_~index) .cse2 .cse3 .cse4 .cse6)))) [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-21 20:03:46,543 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-21 20:03:46,544 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 1 (select |#valid| sll_create_~head~0.base)) (or (<= |sll_create_#in~len| 1) (< 0 sll_create_~len)))) [2020-07-21 20:03:46,544 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-21 20:03:46,544 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-21 20:03:46,544 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-21 20:03:46,544 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$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$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) sll_create_~head~0.base)) .cse0))) [2020-07-21 20:03:46,544 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-21 20:03:46,544 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 20:03:46,545 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-21 20:03:46,545 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 20:03:46,545 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 20:03:46,546 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-21 20:03:46,546 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-21 20:03:46,546 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (<= 2 |sll_get_data_at_#in~index|) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index)) (let ((.cse0 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse0)) (<= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)) (< 0 |sll_get_data_at_#in~index|) (<= sll_get_data_at_~index 0) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse0)))) (forall ((v_main_~s~0.offset_BEFORE_CALL_3 Int) (v_main_~s~0.base_BEFORE_CALL_3 Int)) (= v_main_~s~0.base_BEFORE_CALL_3 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) (+ v_main_~s~0.offset_BEFORE_CALL_3 4))))) [2020-07-21 20:03:46,546 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-21 20:03:46,546 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-21 20:03:46,546 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse7 (+ main_~s~0.offset 4))) (let ((.cse6 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse7))) (let ((.cse0 (<= main_~len~0 2)) (.cse1 (<= 2 main_~len~0)) (.cse2 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse3 (not (= .cse6 main_~s~0.base))) (.cse4 (<= main_~i~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 main_~i~0)) (let ((.cse5 (select (select |#memory_int| .cse6) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse7)))) (and (< main_~len~0 .cse5) (<= 0 main_~i~0) .cse0 .cse1 (<= .cse5 (+ main_~len~0 1)) .cse2 .cse3 .cse4)))))) [2020-07-21 20:03:46,546 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-21 20:03:46,546 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-21 20:03:46,547 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse3 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse3))) (let ((.cse0 (select (select |#memory_int| .cse2) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse3))) (.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and (< main_~len~0 .cse0) (<= main_~len~0 2) (<= .cse1 main_~len~0) (<= 2 main_~len~0) (<= .cse0 (+ main_~len~0 1)) (not (= .cse2 main_~s~0.base)) (<= main_~len~0 .cse1) (<= main_~i~0 1))))) [2020-07-21 20:03:46,547 INFO L271 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: true [2020-07-21 20:03:46,547 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 20:03:46,547 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse9 (+ main_~s~0.offset 4))) (let ((.cse7 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse9))) (let ((.cse8 (select (select |#memory_int| .cse7) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse9)))) (let ((.cse0 (< main_~len~0 .cse8)) (.cse4 (<= .cse8 (+ main_~len~0 1))) (.cse1 (<= main_~len~0 2)) (.cse3 (<= 2 main_~len~0)) (.cse5 (not (= .cse7 main_~s~0.base))) (.cse6 (<= main_~i~0 1))) (or (let ((.cse2 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse1 (<= .cse2 main_~len~0) .cse3 .cse4 .cse5 (<= main_~len~0 .cse2) .cse6)) (and .cse0 (<= 0 main_~i~0) .cse1 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse3 .cse5 .cse6 (<= 1 main_~i~0))))))) [2020-07-21 20:03:46,547 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-21 20:03:46,547 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-21 20:03:46,547 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-21 20:03:46,547 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-21 20:03:46,547 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-21 20:03:46,548 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-21 20:03:46,548 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 20:03:46,548 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-21 20:03:46,548 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse4 (+ main_~s~0.offset 4))) (let ((.cse2 (select (select |#memory_$Pointer$.base| main_~s~0.base) .cse4))) (let ((.cse0 (select (select |#memory_int| .cse2) (select (select |#memory_$Pointer$.offset| main_~s~0.base) .cse4)))) (let ((.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse3 (+ main_~i~0 .cse0))) (and (< main_~len~0 .cse0) (<= 0 main_~i~0) (<= main_~len~0 2) (<= .cse1 main_~len~0) (<= 2 main_~len~0) (<= .cse0 (+ main_~len~0 1)) (not (= .cse2 main_~s~0.base)) (<= main_~len~0 .cse1) (< main_~expected~0 .cse3) (<= main_~i~0 1) (<= .cse3 (+ main_~expected~0 1))))))) [2020-07-21 20:03:46,548 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-21 20:03:46,548 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-21 20:03:46,548 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-21 20:03:46,548 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-21 20:03:46,549 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-21 20:03:46,549 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-21 20:03:46,549 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-21 20:03:46,549 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-21 20:03:46,559 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,560 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 20:03:46,560 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,560 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 20:03:46,560 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 20:03:46,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,562 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,566 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,566 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 20:03:46,567 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,567 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 20:03:46,567 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 20:03:46,567 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,568 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,570 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,571 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,572 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,572 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,573 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,574 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,574 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,575 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,576 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,576 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,577 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,578 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,580 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,581 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,582 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,583 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,584 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,584 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,585 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,586 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,587 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,588 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,591 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,592 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,593 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,595 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,596 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,597 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,597 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,598 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,601 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,602 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,603 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,604 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,605 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,606 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,607 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,608 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,609 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,610 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,611 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,612 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,613 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,613 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,614 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,615 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,616 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,617 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,618 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,619 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,620 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,621 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,622 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,623 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,623 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,624 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,624 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,626 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,627 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 08:03:46 BoogieIcfgContainer [2020-07-21 20:03:46,629 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 20:03:46,631 INFO L168 Benchmark]: Toolchain (without parser) took 56752.42 ms. Allocated memory was 142.6 MB in the beginning and 354.9 MB in the end (delta: 212.3 MB). Free memory was 98.8 MB in the beginning and 169.4 MB in the end (delta: -70.6 MB). Peak memory consumption was 141.7 MB. Max. memory is 7.1 GB. [2020-07-21 20:03:46,633 INFO L168 Benchmark]: CDTParser took 0.67 ms. Allocated memory is still 142.6 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. [2020-07-21 20:03:46,633 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.08 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 98.3 MB in the beginning and 166.1 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. [2020-07-21 20:03:46,634 INFO L168 Benchmark]: Boogie Preprocessor took 71.10 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 163.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. [2020-07-21 20:03:46,635 INFO L168 Benchmark]: RCFGBuilder took 677.96 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 115.7 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. [2020-07-21 20:03:46,635 INFO L168 Benchmark]: TraceAbstraction took 55291.33 ms. Allocated memory was 200.8 MB in the beginning and 354.9 MB in the end (delta: 154.1 MB). Free memory was 115.7 MB in the beginning and 169.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 7.1 GB. [2020-07-21 20:03:46,638 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.67 ms. Allocated memory is still 142.6 MB. Free memory is still 118.4 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.08 ms. Allocated memory was 142.6 MB in the beginning and 200.8 MB in the end (delta: 58.2 MB). Free memory was 98.3 MB in the beginning and 166.1 MB in the end (delta: -67.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 71.10 ms. Allocated memory is still 200.8 MB. Free memory was 166.1 MB in the beginning and 163.1 MB in the end (delta: 3.0 MB). Peak memory consumption was 3.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 677.96 ms. Allocated memory is still 200.8 MB. Free memory was 163.1 MB in the beginning and 115.7 MB in the end (delta: 47.3 MB). Peak memory consumption was 47.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 55291.33 ms. Allocated memory was 200.8 MB in the beginning and 354.9 MB in the end (delta: 154.1 MB). Free memory was 115.7 MB in the beginning and 169.4 MB in the end (delta: -53.7 MB). Peak memory consumption was 100.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_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 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_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_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_$Pointer$ - 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 20:03:46,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,652 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,652 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 20:03:46,653 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,653 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 20:03:46,653 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 20:03:46,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,654 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,655 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 20:03:46,655 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,655 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 20:03:46,655 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 20:03:46,655 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,656 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) || ((head == head && head == head) && \old(index) == index)) || ((((head == #memory_$Pointer$[head][head + 4] && \old(index) <= index + 1) && 0 < \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4])) || (forall v_main_~s~0.offset_BEFORE_CALL_3 : int, v_main_~s~0.base_BEFORE_CALL_3 : int :: v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][v_main_~s~0.offset_BEFORE_CALL_3 + 4]) - InvariantResult [Line: 611]: Loop Invariant [2020-07-21 20:03:46,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,656 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,657 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,658 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,658 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,659 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,660 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,664 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,665 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,665 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,666 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,667 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int Derived loop invariant: ((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1 - InvariantResult [Line: 596]: Loop Invariant [2020-07-21 20:03:46,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,667 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,668 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,669 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,671 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,672 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,672 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,673 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,674 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,678 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,679 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,680 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (((((((((\old(index) <= index + 1 && 1 <= \old(index)) && #memory_$Pointer$[head][head + 4] == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && index + 1 <= \old(index)) && head == #memory_$Pointer$[head][head + 4]) && #memory_$Pointer$ == \old(#memory_$Pointer$)) || ((((unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && 2 <= \old(index)) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((((head == head && head == head) && \old(index) == index) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) - InvariantResult [Line: 607]: Loop Invariant [2020-07-21 20:03:46,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,698 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,699 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,699 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,700 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,701 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,702 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,702 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,703 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,704 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,705 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,705 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,706 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,707 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,708 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,709 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1) || ((((((len < unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] && 0 <= i) && len <= 2) && 2 <= len) && unknown-#memory_int-unknown[#memory_$Pointer$[s][s + 4]][#memory_$Pointer$[s][s + 4]] <= len + 1) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1)) || ((((len <= 2 && 2 <= len) && !(#memory_$Pointer$[s][s + 4] == s)) && i <= 1) && 1 <= i) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-21 20:03:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,710 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,711 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,712 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,712 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-21 20:03:46,713 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-21 20:03:46,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-21 20:03:46,713 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,714 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-21 20:03:46,714 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: 48.2s, OverallIterations: 11, TraceHistogramMax: 2, AutomataDifference: 26.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 455 SDtfs, 247 SDslu, 1538 SDs, 0 SdLazy, 1636 SolverSat, 101 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 3.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 871 GetRequests, 723 SyntacticMatches, 22 SemanticMatches, 126 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 419 ImplicationChecksByTransitivity, 37.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 32 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 68 PreInvPairs, 94 NumberOfFragments, 747 HoareAnnotationTreeSize, 68 FomulaSimplifications, 516 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 24 FomulaSimplificationsInter, 166 FormulaSimplificationTreeSizeReductionInter, 6.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 17.5s InterpolantComputationTime, 537 NumberOfCodeBlocks, 506 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 811 ConstructedInterpolants, 8 QuantifiedInterpolants, 165889 SizeOfPredicates, 67 NumberOfNonLiveVariables, 2420 ConjunctsInSsa, 191 ConjunctsInUnsatCore, 16 InterpolantComputations, 7 PerfectInterpolantSequences, 222/256 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...