/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 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 21:56:45,022 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 21:56:45,028 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 21:56:45,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 21:56:45,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 21:56:45,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 21:56:45,048 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 21:56:45,050 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 21:56:45,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 21:56:45,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 21:56:45,054 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 21:56:45,056 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 21:56:45,056 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 21:56:45,057 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 21:56:45,059 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 21:56:45,060 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 21:56:45,061 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 21:56:45,062 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 21:56:45,064 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 21:56:45,066 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 21:56:45,068 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 21:56:45,069 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 21:56:45,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 21:56:45,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 21:56:45,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 21:56:45,075 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 21:56:45,075 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 21:56:45,077 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 21:56:45,077 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 21:56:45,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 21:56:45,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 21:56:45,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 21:56:45,081 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 21:56:45,081 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 21:56:45,083 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 21:56:45,083 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 21:56:45,084 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 21:56:45,084 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 21:56:45,084 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 21:56:45,085 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 21:56:45,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 21:56:45,087 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 21:56:45,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 21:56:45,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 21:56:45,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 21:56:45,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 21:56:45,110 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 21:56:45,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 21:56:45,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 21:56:45,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 21:56:45,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 21:56:45,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 21:56:45,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 21:56:45,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 21:56:45,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 21:56:45,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 21:56:45,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 21:56:45,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 21:56:45,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 21:56:45,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 21:56:45,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 21:56:45,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 21:56:45,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 21:56:45,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 21:56:45,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 21:56:45,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 21:56:45,114 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 21:56:45,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 21:56:45,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:45,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 21:56:45,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 21:56:45,114 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 -> 4 [2020-07-20 21:56:45,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 21:56:45,489 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 21:56:45,493 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 21:56:45,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 21:56:45,496 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 21:56:45,497 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 21:56:45,594 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47952bfe/415a550089a04d3796816367080b977b/FLAG5a72532bf [2020-07-20 21:56:46,319 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 21:56:46,320 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/list-simple/sll2n_update_all_reverse.i [2020-07-20 21:56:46,336 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47952bfe/415a550089a04d3796816367080b977b/FLAG5a72532bf [2020-07-20 21:56:46,538 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f47952bfe/415a550089a04d3796816367080b977b [2020-07-20 21:56:46,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 21:56:46,558 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 21:56:46,559 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 21:56:46,559 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 21:56:46,564 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 21:56:46,565 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:56:46" (1/1) ... [2020-07-20 21:56:46,568 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@798c2c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:46, skipping insertion in model container [2020-07-20 21:56:46,569 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 09:56:46" (1/1) ... [2020-07-20 21:56:46,578 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 21:56:46,622 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 21:56:47,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 21:56:47,174 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 21:56:47,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 21:56:47,289 INFO L208 MainTranslator]: Completed translation [2020-07-20 21:56:47,290 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47 WrapperNode [2020-07-20 21:56:47,290 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 21:56:47,291 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 21:56:47,291 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 21:56:47,291 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 21:56:47,308 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,329 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,349 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,357 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... [2020-07-20 21:56:47,369 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 21:56:47,370 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 21:56:47,370 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 21:56:47,370 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 21:56:47,372 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 21:56:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 21:56:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 21:56:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-07-20 21:56:47,457 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure myexit [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_create [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_destroy [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_get_data_at [2020-07-20 21:56:47,458 INFO L138 BoogieDeclarations]: Found implementation of procedure sll_update_at [2020-07-20 21:56:47,459 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 21:56:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 21:56:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-07-20 21:56:47,459 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-07-20 21:56:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-07-20 21:56:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-07-20 21:56:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-07-20 21:56:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-07-20 21:56:47,460 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-07-20 21:56:47,461 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-07-20 21:56:47,462 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-07-20 21:56:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-07-20 21:56:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-07-20 21:56:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-07-20 21:56:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-07-20 21:56:47,463 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-07-20 21:56:47,464 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-07-20 21:56:47,465 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-07-20 21:56:47,466 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-07-20 21:56:47,467 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-07-20 21:56:47,468 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-07-20 21:56:47,469 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-07-20 21:56:47,470 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-07-20 21:56:47,471 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-07-20 21:56:47,472 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-07-20 21:56:47,473 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-07-20 21:56:47,474 INFO L130 BoogieDeclarations]: Found specification of procedure myexit [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure sll_create [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure sll_destroy [2020-07-20 21:56:47,475 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure sll_get_data_at [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure sll_update_at [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 21:56:47,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 21:56:47,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 21:56:47,970 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint myexitFINAL: assume true; [2020-07-20 21:56:48,170 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 21:56:48,170 INFO L295 CfgBuilder]: Removed 6 assume(true) statements. [2020-07-20 21:56:48,176 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:56:48 BoogieIcfgContainer [2020-07-20 21:56:48,176 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 21:56:48,178 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 21:56:48,178 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 21:56:48,183 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 21:56:48,183 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 09:56:46" (1/3) ... [2020-07-20 21:56:48,184 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b8c655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:56:48, skipping insertion in model container [2020-07-20 21:56:48,184 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 09:56:47" (2/3) ... [2020-07-20 21:56:48,185 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66b8c655 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 09:56:48, skipping insertion in model container [2020-07-20 21:56:48,185 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 09:56:48" (3/3) ... [2020-07-20 21:56:48,187 INFO L109 eAbstractionObserver]: Analyzing ICFG sll2n_update_all_reverse.i [2020-07-20 21:56:48,202 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 21:56:48,214 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 21:56:48,234 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 21:56:48,261 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 21:56:48,261 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 21:56:48,261 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 21:56:48,261 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 21:56:48,262 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 21:56:48,262 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 21:56:48,262 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 21:56:48,262 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 21:56:48,283 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states. [2020-07-20 21:56:48,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-07-20 21:56:48,292 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:48,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:56:48,294 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:48,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:48,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1559034541, now seen corresponding path program 1 times [2020-07-20 21:56:48,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:48,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1589957737] [2020-07-20 21:56:48,312 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:48,520 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 21:56:48,520 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:48,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 21:56:48,532 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:48,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 21:56:48,668 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 21:56:48,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1589957737] [2020-07-20 21:56:48,671 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 21:56:48,671 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 21:56:48,673 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683447718] [2020-07-20 21:56:48,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 21:56:48,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:56:48,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 21:56:48,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 21:56:48,705 INFO L87 Difference]: Start difference. First operand 55 states. Second operand 6 states. [2020-07-20 21:56:48,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:56:48,868 INFO L93 Difference]: Finished difference Result 104 states and 142 transitions. [2020-07-20 21:56:48,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 21:56:48,871 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-07-20 21:56:48,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:56:48,885 INFO L225 Difference]: With dead ends: 104 [2020-07-20 21:56:48,885 INFO L226 Difference]: Without dead ends: 56 [2020-07-20 21:56:48,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 21:56:48,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-07-20 21:56:48,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 49. [2020-07-20 21:56:48,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-07-20 21:56:48,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 55 transitions. [2020-07-20 21:56:48,960 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 55 transitions. Word has length 25 [2020-07-20 21:56:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:56:48,961 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 55 transitions. [2020-07-20 21:56:48,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 21:56:48,961 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2020-07-20 21:56:48,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-07-20 21:56:48,964 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:48,965 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:56:49,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:49,179 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:49,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:49,180 INFO L82 PathProgramCache]: Analyzing trace with hash -1172680475, now seen corresponding path program 1 times [2020-07-20 21:56:49,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:49,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641471291] [2020-07-20 21:56:49,182 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:49,327 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:56:49,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:49,330 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 21:56:49,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:49,381 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 21:56:49,381 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 21:56:49,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641471291] [2020-07-20 21:56:49,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 21:56:49,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 21:56:49,383 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406351856] [2020-07-20 21:56:49,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 21:56:49,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:56:49,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 21:56:49,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 21:56:49,387 INFO L87 Difference]: Start difference. First operand 49 states and 55 transitions. Second operand 6 states. [2020-07-20 21:56:49,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:56:49,498 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2020-07-20 21:56:49,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 21:56:49,499 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 34 [2020-07-20 21:56:49,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:56:49,501 INFO L225 Difference]: With dead ends: 87 [2020-07-20 21:56:49,501 INFO L226 Difference]: Without dead ends: 60 [2020-07-20 21:56:49,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 21:56:49,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2020-07-20 21:56:49,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 54. [2020-07-20 21:56:49,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-07-20 21:56:49,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 62 transitions. [2020-07-20 21:56:49,518 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 62 transitions. Word has length 34 [2020-07-20 21:56:49,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:56:49,519 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 62 transitions. [2020-07-20 21:56:49,519 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 21:56:49,519 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 62 transitions. [2020-07-20 21:56:49,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-20 21:56:49,521 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:49,521 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] [2020-07-20 21:56:49,736 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:49,736 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:49,737 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:49,737 INFO L82 PathProgramCache]: Analyzing trace with hash -682882574, now seen corresponding path program 1 times [2020-07-20 21:56:49,738 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:49,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [564048594] [2020-07-20 21:56:49,738 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:49,872 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:56:49,872 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:49,874 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2020-07-20 21:56:49,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:49,939 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 21:56:49,940 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:56:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 21:56:50,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [564048594] [2020-07-20 21:56:50,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 21:56:50,187 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 13 [2020-07-20 21:56:50,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108137503] [2020-07-20 21:56:50,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 21:56:50,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:56:50,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 21:56:50,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2020-07-20 21:56:50,190 INFO L87 Difference]: Start difference. First operand 54 states and 62 transitions. Second operand 8 states. [2020-07-20 21:56:50,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:56:50,295 INFO L93 Difference]: Finished difference Result 92 states and 108 transitions. [2020-07-20 21:56:50,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 21:56:50,296 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 35 [2020-07-20 21:56:50,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:56:50,297 INFO L225 Difference]: With dead ends: 92 [2020-07-20 21:56:50,298 INFO L226 Difference]: Without dead ends: 55 [2020-07-20 21:56:50,299 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 55 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2020-07-20 21:56:50,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-07-20 21:56:50,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-07-20 21:56:50,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-07-20 21:56:50,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 63 transitions. [2020-07-20 21:56:50,311 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 63 transitions. Word has length 35 [2020-07-20 21:56:50,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:56:50,311 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 63 transitions. [2020-07-20 21:56:50,311 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 21:56:50,312 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 63 transitions. [2020-07-20 21:56:50,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-07-20 21:56:50,313 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:50,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:56:50,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:50,530 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:50,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:50,531 INFO L82 PathProgramCache]: Analyzing trace with hash 803869117, now seen corresponding path program 1 times [2020-07-20 21:56:50,531 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:50,531 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [394498989] [2020-07-20 21:56:50,532 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:50,722 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:56:50,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:50,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 21:56:50,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:50,823 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 21:56:50,824 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:56:51,028 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:56:51,046 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 21:56:51,047 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [394498989] [2020-07-20 21:56:51,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 21:56:51,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 12 [2020-07-20 21:56:51,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703018312] [2020-07-20 21:56:51,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-20 21:56:51,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:56:51,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-20 21:56:51,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-07-20 21:56:51,049 INFO L87 Difference]: Start difference. First operand 55 states and 63 transitions. Second operand 12 states. [2020-07-20 21:56:51,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:56:51,204 INFO L93 Difference]: Finished difference Result 99 states and 117 transitions. [2020-07-20 21:56:51,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-07-20 21:56:51,205 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 44 [2020-07-20 21:56:51,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:56:51,207 INFO L225 Difference]: With dead ends: 99 [2020-07-20 21:56:51,207 INFO L226 Difference]: Without dead ends: 62 [2020-07-20 21:56:51,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 71 SyntacticMatches, 6 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-07-20 21:56:51,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2020-07-20 21:56:51,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 59. [2020-07-20 21:56:51,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2020-07-20 21:56:51,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 68 transitions. [2020-07-20 21:56:51,221 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 68 transitions. Word has length 44 [2020-07-20 21:56:51,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:56:51,222 INFO L479 AbstractCegarLoop]: Abstraction has 59 states and 68 transitions. [2020-07-20 21:56:51,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-20 21:56:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2020-07-20 21:56:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-07-20 21:56:51,224 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:51,224 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:56:51,433 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:51,435 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:51,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:51,435 INFO L82 PathProgramCache]: Analyzing trace with hash 1633721938, now seen corresponding path program 2 times [2020-07-20 21:56:51,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:51,436 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985366814] [2020-07-20 21:56:51,437 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:51,687 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:56:51,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:51,691 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 21:56:51,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:51,740 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 21:56:51,741 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:56:51,889 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-07-20 21:56:51,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985366814] [2020-07-20 21:56:51,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 21:56:51,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 21:56:51,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386065951] [2020-07-20 21:56:51,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 21:56:51,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:56:51,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 21:56:51,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 21:56:51,895 INFO L87 Difference]: Start difference. First operand 59 states and 68 transitions. Second operand 6 states. [2020-07-20 21:56:51,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:56:51,967 INFO L93 Difference]: Finished difference Result 80 states and 93 transitions. [2020-07-20 21:56:51,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 21:56:51,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2020-07-20 21:56:51,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:56:51,973 INFO L225 Difference]: With dead ends: 80 [2020-07-20 21:56:51,974 INFO L226 Difference]: Without dead ends: 61 [2020-07-20 21:56:51,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 97 SyntacticMatches, 3 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-07-20 21:56:51,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-07-20 21:56:51,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2020-07-20 21:56:51,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-07-20 21:56:52,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 70 transitions. [2020-07-20 21:56:52,004 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 70 transitions. Word has length 53 [2020-07-20 21:56:52,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:56:52,005 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 70 transitions. [2020-07-20 21:56:52,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 21:56:52,005 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2020-07-20 21:56:52,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-20 21:56:52,010 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:56:52,011 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:56:52,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:52,226 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:56:52,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:56:52,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2044789832, now seen corresponding path program 3 times [2020-07-20 21:56:52,228 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:56:52,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1287662659] [2020-07-20 21:56:52,228 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:56:52,641 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:56:52,642 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:56:52,648 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 126 conjunts are in the unsatisfiable core [2020-07-20 21:56:52,654 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:56:52,712 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2020-07-20 21:56:52,712 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,716 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:52,716 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,716 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2020-07-20 21:56:52,816 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:52,816 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 15 [2020-07-20 21:56:52,818 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 21:56:52,819 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,826 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:52,827 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,827 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:14, output treesize:8 [2020-07-20 21:56:52,862 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 21:56:52,863 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,875 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:52,880 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2020-07-20 21:56:52,880 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,888 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:52,890 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:52,891 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:34, output treesize:14 [2020-07-20 21:56:53,160 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2020-07-20 21:56:53,161 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:53,170 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:53,171 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:53,172 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:120, output treesize:110 [2020-07-20 21:56:53,233 INFO L440 ElimStorePlain]: Different costs {2=[|v_#memory_$Pointer$.offset_BEFORE_CALL_1|], 6=[|v_#memory_$Pointer$.base_BEFORE_CALL_2|]} [2020-07-20 21:56:53,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 21:56:53,241 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 114 treesize of output 86 [2020-07-20 21:56:53,242 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:53,267 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:53,289 INFO L173 IndexEqualityManager]: detected equality via solver [2020-07-20 21:56:53,339 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:53,339 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 165 [2020-07-20 21:56:53,344 INFO L320 QuantifierPusher]: Applying distributivity to a CONJUNCTION[6, 3, 2, 1] term [2020-07-20 21:56:53,345 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 6 disjuncts [2020-07-20 21:56:53,347 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:53,378 INFO L624 ElimStorePlain]: treesize reduction 117, result has 23.5 percent of original size [2020-07-20 21:56:53,379 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:53,379 INFO L244 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:128, output treesize:36 [2020-07-20 21:56:58,136 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 27 [2020-07-20 21:56:58,168 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 33 treesize of output 32 [2020-07-20 21:56:58,170 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,206 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,215 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 45 treesize of output 29 [2020-07-20 21:56:58,217 INFO L544 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,238 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2020-07-20 21:56:58,248 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 37 treesize of output 25 [2020-07-20 21:56:58,249 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,265 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,266 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,266 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:77, output treesize:36 [2020-07-20 21:56:58,768 INFO L440 ElimStorePlain]: Different costs {1=[|#memory_$Pointer$.base|, |#memory_$Pointer$.offset|], 2=[|#memory_int|]} [2020-07-20 21:56:58,778 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,779 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 62 treesize of output 50 [2020-07-20 21:56:58,782 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 21:56:58,785 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 3 disjuncts [2020-07-20 21:56:58,787 INFO L544 ElimStorePlain]: Start of recursive call 2: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:58,813 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,821 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,822 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 30 [2020-07-20 21:56:58,824 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 21:56:58,826 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2020-07-20 21:56:58,827 INFO L544 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:58,855 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,881 INFO L350 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,882 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2020-07-20 21:56:58,883 INFO L544 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,901 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:58,907 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:56:58,908 INFO L244 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:68, output treesize:10 [2020-07-20 21:56:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 5 proven. 17 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-20 21:56:59,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:56:59,185 INFO L501 QuantifierPusher]: Distributing 3 disjuncts over 2 conjuncts [2020-07-20 21:56:59,672 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:56:59,690 INFO L544 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:59,698 INFO L544 ElimStorePlain]: Start of recursive call 3: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:59,725 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:59,735 INFO L544 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:59,742 INFO L544 ElimStorePlain]: Start of recursive call 5: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2020-07-20 21:56:59,752 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:56:59,754 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-2 vars, End of recursive call: 6 dim-0 vars, and 2 xjuncts. [2020-07-20 21:56:59,756 INFO L244 ElimStorePlain]: Needed 5 recursive calls to eliminate 3 variables, input treesize:123, output treesize:69 [2020-07-20 21:57:01,738 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1287662659] [2020-07-20 21:57:01,738 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-07-20 21:57:01,738 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-07-20 21:57:01,739 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630430902] [2020-07-20 21:57:01,739 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-07-20 21:57:01,740 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:57:01,740 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-07-20 21:57:01,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=1375, Unknown=6, NotChecked=0, Total=1482 [2020-07-20 21:57:01,741 INFO L87 Difference]: Start difference. First operand 61 states and 70 transitions. Second operand 31 states. [2020-07-20 21:57:16,738 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification that was a NOOP. DAG size: 30 [2020-07-20 21:57:44,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:57:44,569 INFO L93 Difference]: Finished difference Result 110 states and 134 transitions. [2020-07-20 21:57:44,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-07-20 21:57:44,571 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 61 [2020-07-20 21:57:44,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:57:44,574 INFO L225 Difference]: With dead ends: 110 [2020-07-20 21:57:44,574 INFO L226 Difference]: Without dead ends: 108 [2020-07-20 21:57:44,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 39 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 26.6s TimeCoverageRelationStatistics Valid=308, Invalid=3695, Unknown=29, NotChecked=0, Total=4032 [2020-07-20 21:57:44,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2020-07-20 21:57:44,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 93. [2020-07-20 21:57:44,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-07-20 21:57:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 114 transitions. [2020-07-20 21:57:44,596 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 114 transitions. Word has length 61 [2020-07-20 21:57:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:57:44,597 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 114 transitions. [2020-07-20 21:57:44,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-07-20 21:57:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 114 transitions. [2020-07-20 21:57:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 21:57:44,599 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:57:44,599 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:57:44,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:44,806 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:57:44,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:57:44,807 INFO L82 PathProgramCache]: Analyzing trace with hash 1308685849, now seen corresponding path program 4 times [2020-07-20 21:57:44,808 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:57:44,808 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [805882728] [2020-07-20 21:57:44,809 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:45,285 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:57:45,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:57:45,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 21:57:45,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:57:45,332 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 21:57:45,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:57:45,436 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 21:57:45,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [805882728] [2020-07-20 21:57:45,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 21:57:45,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 9 [2020-07-20 21:57:45,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69559905] [2020-07-20 21:57:45,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 21:57:45,438 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:57:45,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 21:57:45,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 21:57:45,439 INFO L87 Difference]: Start difference. First operand 93 states and 114 transitions. Second operand 7 states. [2020-07-20 21:57:45,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:57:45,502 INFO L93 Difference]: Finished difference Result 133 states and 162 transitions. [2020-07-20 21:57:45,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 21:57:45,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2020-07-20 21:57:45,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:57:45,505 INFO L225 Difference]: With dead ends: 133 [2020-07-20 21:57:45,505 INFO L226 Difference]: Without dead ends: 89 [2020-07-20 21:57:45,506 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 [2020-07-20 21:57:45,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2020-07-20 21:57:45,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2020-07-20 21:57:45,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-07-20 21:57:45,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 106 transitions. [2020-07-20 21:57:45,522 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 106 transitions. Word has length 62 [2020-07-20 21:57:45,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:57:45,523 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 106 transitions. [2020-07-20 21:57:45,523 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 21:57:45,523 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 106 transitions. [2020-07-20 21:57:45,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 21:57:45,525 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:57:45,525 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:57:45,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:45,739 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:57:45,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:57:45,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1539067163, now seen corresponding path program 5 times [2020-07-20 21:57:45,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:57:45,741 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [402272974] [2020-07-20 21:57:45,741 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:46,207 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 2 check-sat command(s) [2020-07-20 21:57:46,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:57:46,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 21:57:46,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:57:46,278 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-07-20 21:57:46,279 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:57:46,417 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 21:57:46,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [402272974] [2020-07-20 21:57:46,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 21:57:46,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 9 [2020-07-20 21:57:46,419 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116804405] [2020-07-20 21:57:46,420 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-20 21:57:46,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:57:46,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-20 21:57:46,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2020-07-20 21:57:46,422 INFO L87 Difference]: Start difference. First operand 89 states and 106 transitions. Second operand 9 states. [2020-07-20 21:57:46,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:57:46,512 INFO L93 Difference]: Finished difference Result 126 states and 149 transitions. [2020-07-20 21:57:46,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 21:57:46,514 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-07-20 21:57:46,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:57:46,515 INFO L225 Difference]: With dead ends: 126 [2020-07-20 21:57:46,515 INFO L226 Difference]: Without dead ends: 85 [2020-07-20 21:57:46,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 113 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-07-20 21:57:46,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-07-20 21:57:46,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2020-07-20 21:57:46,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2020-07-20 21:57:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 98 transitions. [2020-07-20 21:57:46,530 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 98 transitions. Word has length 62 [2020-07-20 21:57:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:57:46,530 INFO L479 AbstractCegarLoop]: Abstraction has 85 states and 98 transitions. [2020-07-20 21:57:46,530 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-20 21:57:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2020-07-20 21:57:46,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 21:57:46,532 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:57:46,532 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:57:46,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:46,747 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:57:46,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:57:46,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1955578907, now seen corresponding path program 6 times [2020-07-20 21:57:46,748 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:57:46,748 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1547710193] [2020-07-20 21:57:46,748 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:47,518 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s) [2020-07-20 21:57:47,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:57:47,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-20 21:57:47,524 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:57:47,564 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 29 proven. 1 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-07-20 21:57:47,565 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:57:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 5 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2020-07-20 21:57:47,663 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1547710193] [2020-07-20 21:57:47,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 21:57:47,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2020-07-20 21:57:47,664 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901794827] [2020-07-20 21:57:47,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 21:57:47,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:57:47,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 21:57:47,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-20 21:57:47,668 INFO L87 Difference]: Start difference. First operand 85 states and 98 transitions. Second operand 8 states. [2020-07-20 21:57:47,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:57:47,797 INFO L93 Difference]: Finished difference Result 99 states and 110 transitions. [2020-07-20 21:57:47,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 21:57:47,798 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 70 [2020-07-20 21:57:47,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:57:47,799 INFO L225 Difference]: With dead ends: 99 [2020-07-20 21:57:47,799 INFO L226 Difference]: Without dead ends: 66 [2020-07-20 21:57:47,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 128 SyntacticMatches, 5 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-07-20 21:57:47,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-07-20 21:57:47,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-07-20 21:57:47,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-07-20 21:57:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 69 transitions. [2020-07-20 21:57:47,817 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 69 transitions. Word has length 70 [2020-07-20 21:57:47,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:57:47,817 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 69 transitions. [2020-07-20 21:57:47,817 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 21:57:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 69 transitions. [2020-07-20 21:57:47,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-07-20 21:57:47,823 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 21:57:47,823 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 21:57:48,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:48,024 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 21:57:48,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 21:57:48,025 INFO L82 PathProgramCache]: Analyzing trace with hash 1890427347, now seen corresponding path program 1 times [2020-07-20 21:57:48,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 21:57:48,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915114606] [2020-07-20 21:57:48,026 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:48,539 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 4 check-sat command(s) [2020-07-20 21:57:48,539 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-20 21:57:48,542 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 38 conjunts are in the unsatisfiable core [2020-07-20 21:57:48,546 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 21:57:48,587 INFO L384 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2020-07-20 21:57:48,588 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:57:48,592 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:57:48,593 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:57:48,593 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:11 [2020-07-20 21:57:48,723 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 [2020-07-20 21:57:48,724 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2020-07-20 21:57:48,729 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:57:48,730 INFO L544 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2020-07-20 21:57:48,730 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:22, output treesize:7 [2020-07-20 21:57:48,761 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 21:57:48,761 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 21:57:48,852 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:48,854 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:48,857 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 21:57:48,923 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 21:57:49,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:49,072 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:49,073 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:49,074 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 21:57:49,100 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 [2020-07-20 21:57:49,102 INFO L544 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2020-07-20 21:57:49,108 INFO L624 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2020-07-20 21:57:49,109 INFO L544 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 4 xjuncts. [2020-07-20 21:57:49,109 INFO L244 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:13 [2020-07-20 21:57:49,149 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 3 conjuncts [2020-07-20 21:57:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 14 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-07-20 21:57:49,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915114606] [2020-07-20 21:57:49,186 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 21:57:49,186 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2020-07-20 21:57:49,186 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75488297] [2020-07-20 21:57:49,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-20 21:57:49,187 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 21:57:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-20 21:57:49,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-20 21:57:49,190 INFO L87 Difference]: Start difference. First operand 63 states and 69 transitions. Second operand 17 states. [2020-07-20 21:57:49,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 21:57:49,564 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2020-07-20 21:57:49,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 21:57:49,564 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 71 [2020-07-20 21:57:49,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 21:57:49,565 INFO L225 Difference]: With dead ends: 64 [2020-07-20 21:57:49,565 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 21:57:49,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 120 SyntacticMatches, 6 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=82, Invalid=470, Unknown=0, NotChecked=0, Total=552 [2020-07-20 21:57:49,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 21:57:49,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 21:57:49,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 21:57:49,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 21:57:49,571 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2020-07-20 21:57:49,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 21:57:49,571 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 21:57:49,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-20 21:57:49,572 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 21:57:49,572 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 21:57:49,777 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 21:57:49,781 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 21:57:50,384 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2020-07-20 21:57:50,584 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 44 [2020-07-20 21:57:50,758 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 35 [2020-07-20 21:57:50,890 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 42 [2020-07-20 21:57:51,074 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 37 [2020-07-20 21:57:51,086 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 21:57:51,086 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |#valid| |old(#valid)|) [2020-07-20 21:57:51,087 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 21:57:51,087 INFO L271 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: true [2020-07-20 21:57:51,087 INFO L271 CegarLoopResult]: At program point myexitENTRY(lines 560 562) the Hoare annotation is: true [2020-07-20 21:57:51,087 INFO L268 CegarLoopResult]: For program point myexitEXIT(lines 560 562) no Hoare annotation was computed. [2020-07-20 21:57:51,087 INFO L268 CegarLoopResult]: For program point sll_destroyEXIT(lines 581 587) no Hoare annotation was computed. [2020-07-20 21:57:51,087 INFO L271 CegarLoopResult]: At program point L582-2(lines 582 586) the Hoare annotation is: true [2020-07-20 21:57:51,088 INFO L271 CegarLoopResult]: At program point sll_destroyENTRY(lines 581 587) the Hoare annotation is: true [2020-07-20 21:57:51,088 INFO L268 CegarLoopResult]: For program point L582-3(lines 581 587) no Hoare annotation was computed. [2020-07-20 21:57:51,088 INFO L268 CegarLoopResult]: For program point sll_update_atFINAL(lines 595 601) no Hoare annotation was computed. [2020-07-20 21:57:51,088 INFO L264 CegarLoopResult]: At program point L596-2(lines 596 599) the Hoare annotation is: (let ((.cse0 (<= |sll_update_at_#in~index| sll_update_at_~index))) (and (or (<= 1 |sll_update_at_#in~index|) .cse0) (let ((.cse1 (= |#memory_int| |old(#memory_int)|)) (.cse5 (= sll_update_at_~data |sll_update_at_#in~data|)) (.cse2 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse3 (<= (+ sll_update_at_~index 1) |sll_update_at_#in~index|)) (.cse4 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|))) (or (and .cse1 .cse2 (<= 2 |sll_update_at_#in~index|) .cse3 .cse4) (and (<= sll_update_at_~index |sll_update_at_#in~index|) (= |sll_update_at_#in~head.base| sll_update_at_~head.base) (= |sll_update_at_#in~head.offset| sll_update_at_~head.offset) .cse1 .cse5 .cse2 .cse0 .cse4) (let ((.cse6 (+ |sll_update_at_#in~head.offset| 4))) (and (= (select (select |#memory_$Pointer$.offset| |sll_update_at_#in~head.base|) .cse6) sll_update_at_~head.offset) .cse1 .cse5 .cse2 (= sll_update_at_~head.base (select (select |#memory_$Pointer$.base| |sll_update_at_#in~head.base|) .cse6)) .cse3 .cse4)))))) [2020-07-20 21:57:51,088 INFO L268 CegarLoopResult]: For program point L596-3(lines 596 599) no Hoare annotation was computed. [2020-07-20 21:57:51,088 INFO L268 CegarLoopResult]: For program point sll_update_atEXIT(lines 595 601) no Hoare annotation was computed. [2020-07-20 21:57:51,088 INFO L264 CegarLoopResult]: At program point sll_update_atENTRY(lines 595 601) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 21:57:51,089 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 63 67) no Hoare annotation was computed. [2020-07-20 21:57:51,089 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 63 67) no Hoare annotation was computed. [2020-07-20 21:57:51,089 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 63 67) no Hoare annotation was computed. [2020-07-20 21:57:51,089 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (= 1 (select |#valid| sll_create_~head~0.base)) (or (< |sll_create_#in~len| 2) (< 0 sll_create_~len)))) [2020-07-20 21:57:51,090 INFO L268 CegarLoopResult]: For program point sll_createEXIT(lines 572 580) no Hoare annotation was computed. [2020-07-20 21:57:51,090 INFO L268 CegarLoopResult]: For program point L575-1(line 575) no Hoare annotation was computed. [2020-07-20 21:57:51,090 INFO L268 CegarLoopResult]: For program point L574-2(lines 574 578) no Hoare annotation was computed. [2020-07-20 21:57:51,090 INFO L264 CegarLoopResult]: At program point L574-3(lines 574 578) the Hoare annotation is: (let ((.cse0 (= 1 (select |#valid| sll_create_~head~0.base)))) (or (and (= |#valid| |old(#valid)|) (<= |sll_create_#in~len| sll_create_~len) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (and (not (= (select (select |#memory_$Pointer$.base| sll_create_~head~0.base) (+ sll_create_~head~0.offset 4)) sll_create_~head~0.base)) (= 0 sll_create_~head~0.offset) .cse0) (and (<= |sll_create_#in~len| (+ sll_create_~len 1)) .cse0))) [2020-07-20 21:57:51,090 INFO L268 CegarLoopResult]: For program point L574-4(lines 574 578) no Hoare annotation was computed. [2020-07-20 21:57:51,090 INFO L264 CegarLoopResult]: At program point sll_createENTRY(lines 572 580) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 21:57:51,091 INFO L268 CegarLoopResult]: For program point sll_createFINAL(lines 572 580) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 68 72) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 68 72) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 68 72) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-07-20 21:57:51,092 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 21:57:51,092 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 21:57:51,092 INFO L271 CegarLoopResult]: At program point sll_get_data_atENTRY(lines 588 594) the Hoare annotation is: true [2020-07-20 21:57:51,093 INFO L268 CegarLoopResult]: For program point sll_get_data_atFINAL(lines 588 594) no Hoare annotation was computed. [2020-07-20 21:57:51,093 INFO L264 CegarLoopResult]: At program point L589-2(lines 589 592) the Hoare annotation is: (or (<= 2 |sll_get_data_at_#in~index|) (forall ((v_main_~s~0.base_BEFORE_CALL_3 Int)) (let ((.cse0 (select (select |#memory_$Pointer$.base| v_main_~s~0.base_BEFORE_CALL_3) 4))) (or (not (= (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| v_main_~s~0.base_BEFORE_CALL_3) 4)) 3)) (= v_main_~s~0.base_BEFORE_CALL_3 .cse0)))) (and (= sll_get_data_at_~head.base |sll_get_data_at_#in~head.base|) (= sll_get_data_at_~head.offset |sll_get_data_at_#in~head.offset|) (= |sll_get_data_at_#in~index| sll_get_data_at_~index)) (let ((.cse1 (+ |sll_get_data_at_#in~head.offset| 4))) (and (= sll_get_data_at_~head.base (select (select |#memory_$Pointer$.base| |sll_get_data_at_#in~head.base|) .cse1)) (<= |sll_get_data_at_#in~index| (+ sll_get_data_at_~index 1)) (< 0 |sll_get_data_at_#in~index|) (<= sll_get_data_at_~index 0) (= sll_get_data_at_~head.offset (select (select |#memory_$Pointer$.offset| |sll_get_data_at_#in~head.base|) .cse1))))) [2020-07-20 21:57:51,093 INFO L268 CegarLoopResult]: For program point L589-3(lines 589 592) no Hoare annotation was computed. [2020-07-20 21:57:51,093 INFO L268 CegarLoopResult]: For program point sll_get_data_atEXIT(lines 588 594) no Hoare annotation was computed. [2020-07-20 21:57:51,094 INFO L264 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (let ((.cse5 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (let ((.cse3 (* main_~len~0 2)) (.cse0 (= (+ main_~i~0 main_~len~0) main_~new_data~0)) (.cse1 (= 0 main_~s~0.offset)) (.cse2 (<= main_~i~0 1)) (.cse4 (not (= .cse5 main_~s~0.base)))) (or (and .cse0 .cse1 .cse2 (= .cse3 (+ main_~new_data~0 1)) .cse4 (<= 1 main_~i~0)) (and (= (+ (select (select |#memory_int| .cse5) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))) 1) .cse3) (<= 0 main_~i~0) (<= main_~len~0 2) (<= 2 main_~len~0) .cse0 .cse1 .cse2 .cse4)))) [2020-07-20 21:57:51,094 INFO L268 CegarLoopResult]: For program point L611-2(lines 611 616) no Hoare annotation was computed. [2020-07-20 21:57:51,094 INFO L268 CegarLoopResult]: For program point L609-1(lines 607 610) no Hoare annotation was computed. [2020-07-20 21:57:51,094 INFO L264 CegarLoopResult]: At program point L611-3(lines 611 616) the Hoare annotation is: (let ((.cse1 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse0 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (and (= (+ (select (select |#memory_int| .cse0) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))) 1) (* main_~len~0 2)) (<= main_~len~0 2) (<= .cse1 main_~len~0) (<= 2 main_~len~0) (= 0 main_~s~0.offset) (<= main_~len~0 .cse1) (<= main_~i~0 1) (not (= .cse0 main_~s~0.base)))) [2020-07-20 21:57:51,094 INFO L264 CegarLoopResult]: At program point L611-4(lines 611 616) the Hoare annotation is: (<= 2 main_~len~0) [2020-07-20 21:57:51,094 INFO L264 CegarLoopResult]: At program point L605(line 605) the Hoare annotation is: (and (<= main_~len~0 2) (= |#valid| |old(#valid)|) (<= 2 main_~len~0) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 21:57:51,095 INFO L264 CegarLoopResult]: At program point L607-2(lines 607 610) the Hoare annotation is: (let ((.cse8 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4)) (.cse5 (* main_~len~0 2))) (let ((.cse0 (= (+ (select (select |#memory_int| .cse8) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4))) 1) .cse5)) (.cse1 (<= main_~len~0 2)) (.cse2 (<= 2 main_~len~0)) (.cse3 (= 0 main_~s~0.offset)) (.cse4 (<= main_~i~0 1)) (.cse6 (not (= .cse8 main_~s~0.base)))) (or (and .cse0 (<= 0 main_~i~0) .cse1 .cse2 .cse3 .cse4 (= .cse5 (+ main_~new_data~0 1)) .cse6) (and (= main_~len~0 (+ main_~i~0 1)) .cse3 .cse4 .cse6 (<= 1 main_~i~0)) (let ((.cse7 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset))) (and .cse0 .cse1 (<= .cse7 main_~len~0) .cse2 .cse3 (<= main_~len~0 .cse7) .cse4 .cse6))))) [2020-07-20 21:57:51,095 INFO L268 CegarLoopResult]: For program point L605-1(line 605) no Hoare annotation was computed. [2020-07-20 21:57:51,095 INFO L268 CegarLoopResult]: For program point L607-3(lines 607 610) no Hoare annotation was computed. [2020-07-20 21:57:51,095 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 602 621) no Hoare annotation was computed. [2020-07-20 21:57:51,096 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 602 621) no Hoare annotation was computed. [2020-07-20 21:57:51,096 INFO L264 CegarLoopResult]: At program point L614(lines 602 621) the Hoare annotation is: false [2020-07-20 21:57:51,097 INFO L268 CegarLoopResult]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 619) no Hoare annotation was computed. [2020-07-20 21:57:51,097 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 602 621) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 21:57:51,097 INFO L268 CegarLoopResult]: For program point L617(line 617) no Hoare annotation was computed. [2020-07-20 21:57:51,097 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (select (select |#memory_int| main_~s~0.base) main_~s~0.offset)) (.cse1 (select (select |#memory_$Pointer$.base| main_~s~0.base) 4))) (and (<= 0 main_~i~0) (<= main_~len~0 2) (<= .cse0 main_~len~0) (= 3 (select (select |#memory_int| .cse1) (select (select |#memory_$Pointer$.offset| main_~s~0.base) (+ main_~s~0.offset 4)))) (<= 2 main_~len~0) (= 0 main_~s~0.offset) (<= main_~len~0 .cse0) (<= main_~i~0 1) (= (+ main_~i~0 2) main_~expected~0) (not (= .cse1 main_~s~0.base)))) [2020-07-20 21:57:51,097 INFO L268 CegarLoopResult]: For program point L613-1(line 613) no Hoare annotation was computed. [2020-07-20 21:57:51,097 INFO L268 CegarLoopResult]: For program point L613-2(lines 613 615) no Hoare annotation was computed. [2020-07-20 21:57:51,098 INFO L264 CegarLoopResult]: At program point node_createENTRY(lines 563 571) the Hoare annotation is: (and (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) [2020-07-20 21:57:51,098 INFO L268 CegarLoopResult]: For program point node_createFINAL(lines 563 571) no Hoare annotation was computed. [2020-07-20 21:57:51,098 INFO L271 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: true [2020-07-20 21:57:51,098 INFO L268 CegarLoopResult]: For program point node_createEXIT(lines 563 571) no Hoare annotation was computed. [2020-07-20 21:57:51,099 INFO L268 CegarLoopResult]: For program point L565(lines 565 567) no Hoare annotation was computed. [2020-07-20 21:57:51,099 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 567) no Hoare annotation was computed. [2020-07-20 21:57:51,114 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,115 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,115 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,116 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,116 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,117 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,119 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,120 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,124 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,124 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,125 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,125 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,126 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,126 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,127 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,128 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,130 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,131 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,131 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,132 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,133 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,134 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,135 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,137 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,138 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,139 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,140 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,141 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,141 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,142 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,143 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,144 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,145 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,146 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,147 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,148 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,149 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,150 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,151 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,152 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,153 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,154 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,155 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,156 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,158 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,159 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,160 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,160 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,161 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,162 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,163 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,164 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,165 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,166 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,166 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,167 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,168 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,169 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,171 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,172 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,172 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,173 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,174 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,175 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,176 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,176 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,177 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 09:57:51 BoogieIcfgContainer [2020-07-20 21:57:51,181 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 21:57:51,183 INFO L168 Benchmark]: Toolchain (without parser) took 64627.10 ms. Allocated memory was 134.7 MB in the beginning and 378.5 MB in the end (delta: 243.8 MB). Free memory was 97.3 MB in the beginning and 83.5 MB in the end (delta: 13.9 MB). Peak memory consumption was 257.6 MB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,183 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 134.7 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 731.41 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 165.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,185 INFO L168 Benchmark]: Boogie Preprocessor took 78.83 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,185 INFO L168 Benchmark]: RCFGBuilder took 806.45 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 115.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,186 INFO L168 Benchmark]: TraceAbstraction took 63002.58 ms. Allocated memory was 199.8 MB in the beginning and 378.5 MB in the end (delta: 178.8 MB). Free memory was 114.6 MB in the beginning and 83.5 MB in the end (delta: 31.2 MB). Peak memory consumption was 210.0 MB. Max. memory is 7.1 GB. [2020-07-20 21:57:51,189 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 134.7 MB. Free memory was 116.6 MB in the beginning and 116.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 731.41 ms. Allocated memory was 134.7 MB in the beginning and 199.8 MB in the end (delta: 65.0 MB). Free memory was 96.9 MB in the beginning and 165.9 MB in the end (delta: -69.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 78.83 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 163.0 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 806.45 ms. Allocated memory is still 199.8 MB. Free memory was 162.3 MB in the beginning and 115.4 MB in the end (delta: 47.0 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 63002.58 ms. Allocated memory was 199.8 MB in the beginning and 378.5 MB in the end (delta: 178.8 MB). Free memory was 114.6 MB in the beginning and 83.5 MB in the end (delta: 31.2 MB). Peak memory consumption was 210.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.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_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_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_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_int - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - 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_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_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 [2020-07-20 21:57:51,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,203 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,203 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,204 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,204 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,205 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,205 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,206 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,206 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,207 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,207 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,208 WARN L417 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~s~0.base_BEFORE_CALL_3,QUANTIFIED] [2020-07-20 21:57:51,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,208 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,208 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,209 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((2 <= \old(index) || (forall v_main_~s~0.base_BEFORE_CALL_3 : int :: !(unknown-#memory_int-unknown[#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][4]][#memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][4]] == 3) || v_main_~s~0.base_BEFORE_CALL_3 == #memory_$Pointer$[v_main_~s~0.base_BEFORE_CALL_3][4])) || ((head == head && head == head) && \old(index) == index)) || ((((head == #memory_$Pointer$[head][head + 4] && \old(index) <= index + 1) && 0 < \old(index)) && index <= 0) && head == #memory_$Pointer$[head][head + 4]) - InvariantResult [Line: 611]: Loop Invariant [2020-07-20 21:57:51,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,210 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,211 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,212 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,212 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,213 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,213 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,214 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][s + 4]] + 1 == len * 2 && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && 0 == s) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1) && !(#memory_$Pointer$[s][4] == s) - InvariantResult [Line: 596]: Loop Invariant [2020-07-20 21:57:51,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,214 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,215 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,216 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,217 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,217 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,218 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,219 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,220 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,242 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,243 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,244 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,245 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,246 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,246 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,249 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,250 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,251 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,252 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: (1 <= \old(index) || \old(index) <= index) && ((((((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_$Pointer$)) || (((((((index <= \old(index) && head == head) && head == head) && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && \old(index) <= index) && #memory_$Pointer$ == \old(#memory_$Pointer$))) || ((((((#memory_$Pointer$[head][head + 4] == head && unknown-#memory_int-unknown == \old(unknown-#memory_int-unknown)) && data == \old(data)) && #memory_$Pointer$ == \old(#memory_$Pointer$)) && head == #memory_$Pointer$[head][head + 4]) && index + 1 <= \old(index)) && #memory_$Pointer$ == \old(#memory_$Pointer$))) - InvariantResult [Line: 607]: Loop Invariant [2020-07-20 21:57:51,253 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,255 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,256 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,256 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,257 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,258 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,261 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,262 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,263 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,264 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,264 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,265 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,266 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ Derived loop invariant: ((((((((unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][s + 4]] + 1 == len * 2 && 0 <= i) && len <= 2) && 2 <= len) && 0 == s) && i <= 1) && len * 2 == new_data + 1) && !(#memory_$Pointer$[s][4] == s)) || ((((len == i + 1 && 0 == s) && i <= 1) && !(#memory_$Pointer$[s][4] == s)) && 1 <= i)) || (((((((unknown-#memory_int-unknown[#memory_$Pointer$[s][4]][#memory_$Pointer$[s][s + 4]] + 1 == len * 2 && len <= 2) && unknown-#memory_int-unknown[s][s] <= len) && 2 <= len) && 0 == s) && len <= unknown-#memory_int-unknown[s][s]) && i <= 1) && !(#memory_$Pointer$[s][4] == s)) - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 574]: Loop Invariant [2020-07-20 21:57:51,271 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,272 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,273 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,274 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,277 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-07-20 21:57:51,278 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-07-20 21:57:51,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-07-20 21:57:51,278 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,279 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-07-20 21:57:51,279 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_$Pointer$)) || ((!(#memory_$Pointer$[head][head + 4] == head) && 0 == head) && 1 == \valid[head])) || (\old(len) <= len + 1 && 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: 61.5s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 44.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 413 SDtfs, 315 SDslu, 2029 SDs, 0 SdLazy, 1963 SolverSat, 162 SolverUnsat, 36 SolverUnknown, 0 SolverNotchecked, 24.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 969 GetRequests, 784 SyntacticMatches, 32 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 27.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=93occurred in iteration=6, 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, 10 MinimizatonAttempts, 34 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 80 PreInvPairs, 115 NumberOfFragments, 646 HoareAnnotationTreeSize, 80 FomulaSimplifications, 900 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 24 FomulaSimplificationsInter, 651 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 517 NumberOfCodeBlocks, 396 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 897 ConstructedInterpolants, 8 QuantifiedInterpolants, 177001 SizeOfPredicates, 74 NumberOfNonLiveVariables, 2092 ConjunctsInSsa, 212 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 290/334 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...