/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=LOWLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-sets/test_add-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 18:10:23,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 18:10:23,100 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 18:10:23,147 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 18:10:23,147 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 18:10:23,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 18:10:23,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 18:10:23,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 18:10:23,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 18:10:23,166 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 18:10:23,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 18:10:23,169 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 18:10:23,169 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 18:10:23,173 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 18:10:23,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 18:10:23,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 18:10:23,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 18:10:23,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 18:10:23,184 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 18:10:23,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 18:10:23,193 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 18:10:23,195 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 18:10:23,196 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 18:10:23,197 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 18:10:23,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 18:10:23,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 18:10:23,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 18:10:23,206 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 18:10:23,207 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 18:10:23,216 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 18:10:23,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 18:10:23,220 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 18:10:23,220 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 18:10:23,221 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 18:10:23,223 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 18:10:23,223 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 18:10:23,224 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 18:10:23,224 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 18:10:23,225 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 18:10:23,226 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 18:10:23,227 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 18:10:23,228 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 18:10:23,273 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 18:10:23,273 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 18:10:23,276 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 18:10:23,276 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 18:10:23,276 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 18:10:23,276 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 18:10:23,277 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 18:10:23,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 18:10:23,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 18:10:23,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 18:10:23,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 18:10:23,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 18:10:23,279 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 18:10:23,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 18:10:23,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 18:10:23,280 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 18:10:23,280 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 18:10:23,280 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 18:10:23,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 18:10:23,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 18:10:23,281 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 18:10:23,281 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 18:10:23,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 18:10:23,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 18:10:23,282 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 18:10:23,282 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 18:10:23,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 18:10:23,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 18:10:23,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 18:10:23,283 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=LOWLEXORDER;log-additional-information=true; [2020-08-21 18:10:23,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 18:10:23,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 18:10:23,642 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 18:10:23,643 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 18:10:23,644 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 18:10:23,644 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-08-21 18:10:23,706 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c98987c/83d4e76282eb4c068a344b52b61c1e95/FLAGd76b56265 [2020-08-21 18:10:24,276 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 18:10:24,277 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-sets/test_add-2.i [2020-08-21 18:10:24,303 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c98987c/83d4e76282eb4c068a344b52b61c1e95/FLAGd76b56265 [2020-08-21 18:10:24,591 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/62c98987c/83d4e76282eb4c068a344b52b61c1e95 [2020-08-21 18:10:24,600 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 18:10:24,601 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 18:10:24,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 18:10:24,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 18:10:24,606 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 18:10:24,607 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:10:24" (1/1) ... [2020-08-21 18:10:24,610 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69889533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:24, skipping insertion in model container [2020-08-21 18:10:24,611 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 06:10:24" (1/1) ... [2020-08-21 18:10:24,619 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 18:10:24,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 18:10:25,156 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:10:25,168 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 18:10:25,226 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 18:10:25,302 INFO L208 MainTranslator]: Completed translation [2020-08-21 18:10:25,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25 WrapperNode [2020-08-21 18:10:25,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 18:10:25,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 18:10:25,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 18:10:25,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 18:10:25,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,339 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,363 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,374 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... [2020-08-21 18:10:25,392 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 18:10:25,393 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 18:10:25,393 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 18:10:25,393 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 18:10:25,395 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-21 18:10:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 18:10:25,460 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 18:10:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2020-08-21 18:10:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2020-08-21 18:10:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-08-21 18:10:25,461 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-08-21 18:10:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_successful_malloc [2020-08-21 18:10:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure LDV_INIT_LIST_HEAD [2020-08-21 18:10:25,462 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_add [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_list_del [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_add_tail [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_del [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_list_empty [2020-08-21 18:10:25,463 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_set [2020-08-21 18:10:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_add [2020-08-21 18:10:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_del [2020-08-21 18:10:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_in_set [2020-08-21 18:10:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_set_empty [2020-08-21 18:10:25,464 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2020-08-21 18:10:25,465 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2020-08-21 18:10:25,465 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2020-08-21 18:10:25,466 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2020-08-21 18:10:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2020-08-21 18:10:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2020-08-21 18:10:25,467 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure select [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2020-08-21 18:10:25,468 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2020-08-21 18:10:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2020-08-21 18:10:25,469 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2020-08-21 18:10:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure random [2020-08-21 18:10:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2020-08-21 18:10:25,470 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2020-08-21 18:10:25,471 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2020-08-21 18:10:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2020-08-21 18:10:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2020-08-21 18:10:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2020-08-21 18:10:25,472 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2020-08-21 18:10:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2020-08-21 18:10:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2020-08-21 18:10:25,473 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2020-08-21 18:10:25,474 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2020-08-21 18:10:25,475 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2020-08-21 18:10:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2020-08-21 18:10:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2020-08-21 18:10:25,476 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2020-08-21 18:10:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2020-08-21 18:10:25,477 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2020-08-21 18:10:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 18:10:25,478 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure cfree [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2020-08-21 18:10:25,479 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2020-08-21 18:10:25,480 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2020-08-21 18:10:25,481 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure system [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2020-08-21 18:10:25,482 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure div [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2020-08-21 18:10:25,483 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2020-08-21 18:10:25,484 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2020-08-21 18:10:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2020-08-21 18:10:25,485 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2020-08-21 18:10:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2020-08-21 18:10:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2020-08-21 18:10:25,486 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2020-08-21 18:10:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2020-08-21 18:10:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2020-08-21 18:10:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2020-08-21 18:10:25,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 18:10:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-08-21 18:10:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 18:10:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-08-21 18:10:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 18:10:25,488 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_successful_malloc [2020-08-21 18:10:25,489 INFO L130 BoogieDeclarations]: Found specification of procedure LDV_INIT_LIST_HEAD [2020-08-21 18:10:25,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 18:10:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_add [2020-08-21 18:10:25,493 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_list_del [2020-08-21 18:10:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add [2020-08-21 18:10:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 18:10:25,494 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_add_tail [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_del [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_list_empty [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_set [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_add [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_del [2020-08-21 18:10:25,495 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_in_set [2020-08-21 18:10:25,496 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_set_empty [2020-08-21 18:10:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 18:10:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 18:10:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 18:10:25,503 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2020-08-21 18:10:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 18:10:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 18:10:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 18:10:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-08-21 18:10:25,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 18:10:26,215 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 18:10:26,216 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-08-21 18:10:26,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:10:26 BoogieIcfgContainer [2020-08-21 18:10:26,221 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 18:10:26,222 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 18:10:26,222 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 18:10:26,226 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 18:10:26,226 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 06:10:24" (1/3) ... [2020-08-21 18:10:26,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b940931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:10:26, skipping insertion in model container [2020-08-21 18:10:26,227 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 06:10:25" (2/3) ... [2020-08-21 18:10:26,227 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b940931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 06:10:26, skipping insertion in model container [2020-08-21 18:10:26,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 06:10:26" (3/3) ... [2020-08-21 18:10:26,229 INFO L109 eAbstractionObserver]: Analyzing ICFG test_add-2.i [2020-08-21 18:10:26,241 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 18:10:26,250 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 18:10:26,263 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 18:10:26,286 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 18:10:26,286 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 18:10:26,287 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 18:10:26,287 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 18:10:26,287 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 18:10:26,287 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 18:10:26,287 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 18:10:26,287 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 18:10:26,309 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states. [2020-08-21 18:10:26,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-21 18:10:26,317 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:26,318 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:10:26,319 INFO L427 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:26,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:26,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1154845074, now seen corresponding path program 1 times [2020-08-21 18:10:26,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:26,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1660754561] [2020-08-21 18:10:26,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:26,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:26,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:26,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:26,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 18:10:26,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:26,657 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 18:10:26,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1660754561] [2020-08-21 18:10:26,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:10:26,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 18:10:26,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874997738] [2020-08-21 18:10:26,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 18:10:26,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:26,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 18:10:26,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-21 18:10:26,691 INFO L87 Difference]: Start difference. First operand 56 states. Second operand 4 states. [2020-08-21 18:10:26,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:26,975 INFO L93 Difference]: Finished difference Result 108 states and 126 transitions. [2020-08-21 18:10:26,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 18:10:26,977 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2020-08-21 18:10:26,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:26,988 INFO L225 Difference]: With dead ends: 108 [2020-08-21 18:10:26,989 INFO L226 Difference]: Without dead ends: 53 [2020-08-21 18:10:26,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-21 18:10:27,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-08-21 18:10:27,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 46. [2020-08-21 18:10:27,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2020-08-21 18:10:27,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 49 transitions. [2020-08-21 18:10:27,055 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 49 transitions. Word has length 28 [2020-08-21 18:10:27,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:27,056 INFO L479 AbstractCegarLoop]: Abstraction has 46 states and 49 transitions. [2020-08-21 18:10:27,057 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 18:10:27,057 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 49 transitions. [2020-08-21 18:10:27,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-21 18:10:27,060 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:27,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:10:27,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 18:10:27,060 INFO L427 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:27,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:27,064 INFO L82 PathProgramCache]: Analyzing trace with hash 221547774, now seen corresponding path program 1 times [2020-08-21 18:10:27,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:27,064 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376588883] [2020-08-21 18:10:27,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:27,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 18:10:27,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 18:10:27,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376588883] [2020-08-21 18:10:27,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 18:10:27,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 18:10:27,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2067387227] [2020-08-21 18:10:27,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 18:10:27,318 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:27,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 18:10:27,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-21 18:10:27,319 INFO L87 Difference]: Start difference. First operand 46 states and 49 transitions. Second operand 6 states. [2020-08-21 18:10:27,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:27,634 INFO L93 Difference]: Finished difference Result 71 states and 78 transitions. [2020-08-21 18:10:27,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 18:10:27,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 28 [2020-08-21 18:10:27,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:27,639 INFO L225 Difference]: With dead ends: 71 [2020-08-21 18:10:27,639 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 18:10:27,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:10:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 18:10:27,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 50. [2020-08-21 18:10:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-08-21 18:10:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2020-08-21 18:10:27,655 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 28 [2020-08-21 18:10:27,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:27,655 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2020-08-21 18:10:27,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 18:10:27,656 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2020-08-21 18:10:27,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-08-21 18:10:27,657 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:27,657 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-08-21 18:10:27,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 18:10:27,658 INFO L427 AbstractCegarLoop]: === Iteration 3 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:27,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:27,659 INFO L82 PathProgramCache]: Analyzing trace with hash -2088028185, now seen corresponding path program 1 times [2020-08-21 18:10:27,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:27,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [735575400] [2020-08-21 18:10:27,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:27,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:27,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:27,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-08-21 18:10:27,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 18:10:28,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [735575400] [2020-08-21 18:10:28,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 18:10:28,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-21 18:10:28,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414159239] [2020-08-21 18:10:28,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 18:10:28,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:28,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 18:10:28,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2020-08-21 18:10:28,028 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand 9 states. [2020-08-21 18:10:28,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:28,879 INFO L93 Difference]: Finished difference Result 98 states and 109 transitions. [2020-08-21 18:10:28,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 18:10:28,880 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-08-21 18:10:28,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:28,881 INFO L225 Difference]: With dead ends: 98 [2020-08-21 18:10:28,882 INFO L226 Difference]: Without dead ends: 61 [2020-08-21 18:10:28,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2020-08-21 18:10:28,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-21 18:10:28,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 51. [2020-08-21 18:10:28,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-21 18:10:28,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 52 transitions. [2020-08-21 18:10:28,896 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 52 transitions. Word has length 28 [2020-08-21 18:10:28,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:28,896 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 52 transitions. [2020-08-21 18:10:28,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 18:10:28,896 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 52 transitions. [2020-08-21 18:10:28,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-21 18:10:28,898 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:28,898 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1] [2020-08-21 18:10:28,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 18:10:28,899 INFO L427 AbstractCegarLoop]: === Iteration 4 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:28,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:28,899 INFO L82 PathProgramCache]: Analyzing trace with hash 248987231, now seen corresponding path program 1 times [2020-08-21 18:10:28,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:28,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755601907] [2020-08-21 18:10:28,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:29,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:10:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:29,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-21 18:10:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:29,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:10:29,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:29,346 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 18:10:29,347 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755601907] [2020-08-21 18:10:29,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:10:29,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-08-21 18:10:29,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496054460] [2020-08-21 18:10:29,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-21 18:10:29,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:29,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-21 18:10:29,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=304, Unknown=0, NotChecked=0, Total=342 [2020-08-21 18:10:29,349 INFO L87 Difference]: Start difference. First operand 51 states and 52 transitions. Second operand 19 states. [2020-08-21 18:10:30,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:30,517 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-08-21 18:10:30,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-21 18:10:30,517 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 48 [2020-08-21 18:10:30,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:30,518 INFO L225 Difference]: With dead ends: 63 [2020-08-21 18:10:30,518 INFO L226 Difference]: Without dead ends: 56 [2020-08-21 18:10:30,520 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=195, Invalid=1137, Unknown=0, NotChecked=0, Total=1332 [2020-08-21 18:10:30,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-21 18:10:30,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-08-21 18:10:30,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 18:10:30,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 53 transitions. [2020-08-21 18:10:30,532 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 53 transitions. Word has length 48 [2020-08-21 18:10:30,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:30,533 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 53 transitions. [2020-08-21 18:10:30,533 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-21 18:10:30,533 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 53 transitions. [2020-08-21 18:10:30,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-08-21 18:10:30,535 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:30,535 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:10:30,535 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 18:10:30,535 INFO L427 AbstractCegarLoop]: === Iteration 5 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:30,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:30,536 INFO L82 PathProgramCache]: Analyzing trace with hash 1823590536, now seen corresponding path program 1 times [2020-08-21 18:10:30,536 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:30,536 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965031079] [2020-08-21 18:10:30,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:30,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:10:30,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-21 18:10:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:10:30,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-21 18:10:30,678 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965031079] [2020-08-21 18:10:30,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 18:10:30,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-21 18:10:30,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151232189] [2020-08-21 18:10:30,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 18:10:30,680 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:30,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 18:10:30,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 18:10:30,681 INFO L87 Difference]: Start difference. First operand 52 states and 53 transitions. Second operand 8 states. [2020-08-21 18:10:30,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:30,959 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2020-08-21 18:10:30,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 18:10:30,959 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 48 [2020-08-21 18:10:30,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:30,962 INFO L225 Difference]: With dead ends: 58 [2020-08-21 18:10:30,962 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 18:10:30,963 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2020-08-21 18:10:30,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 18:10:30,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 18:10:30,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 18:10:30,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2020-08-21 18:10:30,974 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 48 [2020-08-21 18:10:30,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:30,974 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2020-08-21 18:10:30,974 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 18:10:30,975 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2020-08-21 18:10:30,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 18:10:30,976 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 18:10:30,976 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 18:10:30,976 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 18:10:30,977 INFO L427 AbstractCegarLoop]: === Iteration 6 === [fooErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 18:10:30,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 18:10:30,977 INFO L82 PathProgramCache]: Analyzing trace with hash -722435370, now seen corresponding path program 1 times [2020-08-21 18:10:30,977 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 18:10:30,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1353834706] [2020-08-21 18:10:30,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 18:10:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 18:10:31,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-21 18:10:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 18:10:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-08-21 18:10:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 18:10:31,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:31,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-21 18:10:31,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 18:10:32,169 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 18:10:32,170 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1353834706] [2020-08-21 18:10:32,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 18:10:32,171 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-21 18:10:32,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044737408] [2020-08-21 18:10:32,172 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-21 18:10:32,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 18:10:32,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-21 18:10:32,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=544, Unknown=0, NotChecked=0, Total=600 [2020-08-21 18:10:32,174 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 25 states. [2020-08-21 18:10:32,783 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 68 [2020-08-21 18:10:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 18:10:34,247 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2020-08-21 18:10:34,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 18:10:34,247 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 51 [2020-08-21 18:10:34,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 18:10:34,248 INFO L225 Difference]: With dead ends: 54 [2020-08-21 18:10:34,248 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 18:10:34,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=232, Invalid=1660, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 18:10:34,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 18:10:34,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 18:10:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 18:10:34,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 18:10:34,252 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-08-21 18:10:34,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 18:10:34,252 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 18:10:34,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-21 18:10:34,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 18:10:34,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 18:10:34,253 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 18:10:34,255 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 18:10:34,677 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 57 [2020-08-21 18:10:35,216 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 72 [2020-08-21 18:10:35,595 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-08-21 18:10:35,596 INFO L268 CegarLoopResult]: For program point ldv_list_addFINAL(lines 592 595) no Hoare annotation was computed. [2020-08-21 18:10:35,596 INFO L268 CegarLoopResult]: For program point ldv_list_addEXIT(lines 592 595) no Hoare annotation was computed. [2020-08-21 18:10:35,596 INFO L264 CegarLoopResult]: At program point ldv_list_addENTRY(lines 592 595) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2020-08-21 18:10:35,596 INFO L264 CegarLoopResult]: At program point L594(line 594) the Hoare annotation is: (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (or (not (= (select |#valid| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (and (= |ldv_list_add_#in~head.base| ldv_list_add_~head.base) (= |ldv_list_add_#in~new.base| ldv_list_add_~new.base) (= (select (select |old(#memory_$Pointer$.base)| ldv_list_add_~head.base) ldv_list_add_~head.offset) |ldv_list_add_#t~mem5.base|) (= |ldv_list_add_#in~new.offset| ldv_list_add_~new.offset) (= |ldv_list_add_#in~head.offset| ldv_list_add_~head.offset)) (not (= |~#s1~0.offset| 0)))) [2020-08-21 18:10:35,597 INFO L268 CegarLoopResult]: For program point __ldv_list_delEXIT(lines 587 591) no Hoare annotation was computed. [2020-08-21 18:10:35,597 INFO L268 CegarLoopResult]: For program point __ldv_list_delENTRY(lines 587 591) no Hoare annotation was computed. [2020-08-21 18:10:35,597 INFO L268 CegarLoopResult]: For program point __ldv_list_delFINAL(lines 587 591) no Hoare annotation was computed. [2020-08-21 18:10:35,597 INFO L268 CegarLoopResult]: For program point fooEXIT(lines 652 657) no Hoare annotation was computed. [2020-08-21 18:10:35,597 INFO L264 CegarLoopResult]: At program point fooENTRY(lines 652 657) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,597 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-08-21 18:10:35,598 INFO L264 CegarLoopResult]: At program point L655(line 655) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,598 INFO L268 CegarLoopResult]: For program point L656-1(line 656) no Hoare annotation was computed. [2020-08-21 18:10:35,598 INFO L268 CegarLoopResult]: For program point fooErr0ASSERT_VIOLATIONERROR_FUNCTION(line 656) no Hoare annotation was computed. [2020-08-21 18:10:35,598 INFO L264 CegarLoopResult]: At program point L655-1(line 655) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (let ((.cse0 (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (.cse2 (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (.cse1 (+ |~#s1~0.offset| 4))) (and (not (= |~#s1~0.base| .cse0)) (= (select (select |#memory_int| .cse0) |~#s1~0.offset|) foo_~j~0) (<= .cse1 .cse2) (<= .cse2 .cse1) (= (select |#valid| |~#s1~0.base|) 1))) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point L656-2(line 656) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point L656-4(lines 652 657) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point __bswap_32ENTRY(lines 62 66) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point __bswap_32FINAL(lines 62 66) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point __bswap_32EXIT(lines 62 66) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point __bswap_64ENTRY(lines 67 71) no Hoare annotation was computed. [2020-08-21 18:10:35,599 INFO L268 CegarLoopResult]: For program point __bswap_64FINAL(lines 67 71) no Hoare annotation was computed. [2020-08-21 18:10:35,600 INFO L268 CegarLoopResult]: For program point __bswap_64EXIT(lines 67 71) no Hoare annotation was computed. [2020-08-21 18:10:35,600 INFO L271 CegarLoopResult]: At program point assume_abort_if_notENTRY(lines 553 555) the Hoare annotation is: true [2020-08-21 18:10:35,600 INFO L268 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-08-21 18:10:35,600 INFO L268 CegarLoopResult]: For program point L554-2(lines 553 555) no Hoare annotation was computed. [2020-08-21 18:10:35,600 INFO L268 CegarLoopResult]: For program point assume_abort_if_notEXIT(lines 553 555) no Hoare annotation was computed. [2020-08-21 18:10:35,600 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 658 662) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,600 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 658 662) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 658 662) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADENTRY(lines 573 577) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADFINAL(lines 573 577) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point LDV_INIT_LIST_HEADEXIT(lines 573 577) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point ldv_list_emptyENTRY(lines 604 607) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point ldv_list_emptyEXIT(lines 604 607) no Hoare annotation was computed. [2020-08-21 18:10:35,601 INFO L268 CegarLoopResult]: For program point ldv_list_emptyFINAL(lines 604 607) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point ldv_list_delENTRY(lines 600 603) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point L602-1(line 602) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point ldv_list_delFINAL(lines 600 603) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point ldv_list_delEXIT(lines 600 603) no Hoare annotation was computed. [2020-08-21 18:10:35,602 INFO L264 CegarLoopResult]: At program point ldv_successful_mallocENTRY(lines 564 568) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (not (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|))) [2020-08-21 18:10:35,602 INFO L268 CegarLoopResult]: For program point ldv_successful_mallocEXIT(lines 564 568) no Hoare annotation was computed. [2020-08-21 18:10:35,603 INFO L268 CegarLoopResult]: For program point ldv_successful_mallocFINAL(lines 564 568) no Hoare annotation was computed. [2020-08-21 18:10:35,603 INFO L264 CegarLoopResult]: At program point L566(line 566) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (not (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|))) (and (<= 0 ldv_successful_malloc_~ptr~0.offset) (= (select |#valid| |~#s1~0.base|) 1) (= (select |old(#valid)| ldv_successful_malloc_~ptr~0.base) 0) (<= (+ ldv_successful_malloc_~ptr~0.base 1) |#StackHeapBarrier|) (<= ldv_successful_malloc_~ptr~0.offset 0)) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,603 INFO L268 CegarLoopResult]: For program point L566-1(line 566) no Hoare annotation was computed. [2020-08-21 18:10:35,603 INFO L264 CegarLoopResult]: At program point __ldv_list_addENTRY(lines 578 586) the Hoare annotation is: (or (not (= (select |#valid| |~#s1~0.base|) 1)) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,603 INFO L268 CegarLoopResult]: For program point __ldv_list_addFINAL(lines 578 586) no Hoare annotation was computed. [2020-08-21 18:10:35,603 INFO L268 CegarLoopResult]: For program point __ldv_list_addEXIT(lines 578 586) no Hoare annotation was computed. [2020-08-21 18:10:35,603 INFO L268 CegarLoopResult]: For program point ldv_mallocENTRY(lines 557 563) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point L558(lines 558 562) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point ldv_mallocFINAL(lines 557 563) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point ldv_mallocEXIT(lines 557 563) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point ldv_set_emptyENTRY(lines 648 650) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point ldv_set_emptyEXIT(lines 648 650) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-08-21 18:10:35,604 INFO L268 CegarLoopResult]: For program point L649-1(line 649) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point ldv_set_emptyFINAL(lines 648 650) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(#NULL.base)| |#NULL.base|) (= |~#s1~0.base| |old(~#s1~0.base)|) (= |old(#length)| |#length|) (= |~#s1~0.offset| |old(~#s1~0.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailFINAL(lines 596 599) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailENTRY(lines 596 599) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point L598(line 598) no Hoare annotation was computed. [2020-08-21 18:10:35,605 INFO L268 CegarLoopResult]: For program point L598-1(line 598) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point ldv_list_add_tailEXIT(lines 596 599) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L633(lines 633 636) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L634-1(line 634) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L632-2(lines 632 637) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L632-3(lines 632 637) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point L632-4(lines 629 638) no Hoare annotation was computed. [2020-08-21 18:10:35,606 INFO L268 CegarLoopResult]: For program point ldv_set_delEXIT(lines 629 638) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point ldv_set_delENTRY(lines 629 638) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point ldv_init_setEXIT(lines 614 616) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point ldv_init_setENTRY(lines 614 616) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point ldv_init_setFINAL(lines 614 616) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point L615(line 615) no Hoare annotation was computed. [2020-08-21 18:10:35,607 INFO L268 CegarLoopResult]: For program point ldv_set_addEXIT(lines 621 628) no Hoare annotation was computed. [2020-08-21 18:10:35,608 INFO L264 CegarLoopResult]: At program point L626(line 626) the Hoare annotation is: (or (not (= (select (select |old(#memory_$Pointer$.offset)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|) |ldv_set_add_#in~s.offset|)) (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (and (or (= (select (select |#memory_$Pointer$.base| ldv_set_add_~s.base) ldv_set_add_~s.offset) |ldv_set_add_#in~s.base|) (<= (+ |ldv_set_add_#in~s.base| 1) |#StackHeapBarrier|)) (= (select |#valid| |~#s1~0.base|) 1) (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|) (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|) (= ldv_set_add_~new |ldv_set_add_#in~new|) (= (select |old(#valid)| ldv_set_add_~le~0.base) 0) (<= (+ ldv_set_add_~le~0.base 1) |#StackHeapBarrier|) (= (select (select |#memory_int| ldv_set_add_~le~0.base) ldv_set_add_~le~0.offset) |ldv_set_add_#in~new|) (= ldv_set_add_~le~0.offset 0)) (not (= |ldv_set_add_#in~s.base| (select (select |old(#memory_$Pointer$.base)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,608 INFO L264 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|)) (.cse1 (= |old(#length)| |#length|)) (.cse2 (= |#memory_int| |old(#memory_int)|)) (.cse3 (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|)) (.cse4 (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|)) (.cse5 (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) (.cse6 (= |old(#valid)| |#valid|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= ldv_set_add_~new |ldv_set_add_#in~new|) .cse5 .cse6) (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= |~#s1~0.offset| 0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 (or (not (= (select (select |old(#memory_$Pointer$.offset)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|) |ldv_set_add_#in~s.offset|)) (not (= |ldv_set_add_#in~s.base| (select (select |old(#memory_$Pointer$.base)| |ldv_set_add_#in~s.base|) |ldv_set_add_#in~s.offset|)))) .cse5 .cse6))) [2020-08-21 18:10:35,608 INFO L268 CegarLoopResult]: For program point L624-1(line 624) no Hoare annotation was computed. [2020-08-21 18:10:35,608 INFO L264 CegarLoopResult]: At program point L622(line 622) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= ldv_set_add_~s.base |ldv_set_add_#in~s.base|) (= ldv_set_add_~s.offset |ldv_set_add_#in~s.offset|) (= ldv_set_add_~new |ldv_set_add_#in~new|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,608 INFO L268 CegarLoopResult]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-08-21 18:10:35,609 INFO L268 CegarLoopResult]: For program point L622-2(lines 622 627) no Hoare annotation was computed. [2020-08-21 18:10:35,609 INFO L268 CegarLoopResult]: For program point L622-3(lines 621 628) no Hoare annotation was computed. [2020-08-21 18:10:35,609 INFO L264 CegarLoopResult]: At program point ldv_set_addENTRY(lines 621 628) the Hoare annotation is: (or (not (= |~#s1~0.base| (select (select |old(#memory_$Pointer$.base)| |~#s1~0.base|) |~#s1~0.offset|))) (not (= (select |old(#valid)| |~#s1~0.base|) 1)) (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) (not (= |~#s1~0.offset| (select (select |old(#memory_$Pointer$.offset)| |~#s1~0.base|) |~#s1~0.offset|))) (and (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) (not (= |~#s1~0.offset| 0))) [2020-08-21 18:10:35,609 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 18:10:35,609 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|)) (= (select |#valid| |~#s1~0.base|) 1) (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|)) (= |~#s1~0.offset| 0) (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|)) [2020-08-21 18:10:35,609 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 18:10:35,610 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 18:10:35,610 INFO L268 CegarLoopResult]: For program point L641-2(lines 641 645) no Hoare annotation was computed. [2020-08-21 18:10:35,610 INFO L268 CegarLoopResult]: For program point ldv_is_in_setEXIT(lines 639 647) no Hoare annotation was computed. [2020-08-21 18:10:35,610 INFO L264 CegarLoopResult]: At program point L641-3(lines 641 645) the Hoare annotation is: (let ((.cse13 (+ ldv_is_in_set_~m~1.offset 4)) (.cse14 (select |#memory_$Pointer$.offset| |ldv_is_in_set_#in~s.base|)) (.cse15 (select |#memory_$Pointer$.base| |ldv_is_in_set_#in~s.base|))) (let ((.cse1 (not (= (select |#valid| |~#s1~0.base|) 1))) (.cse4 (= |ldv_is_in_set_#in~e| ldv_is_in_set_~e)) (.cse0 (= |~#s1~0.base| (select (select |#memory_$Pointer$.base| |~#s1~0.base|) |~#s1~0.offset|))) (.cse5 (= |ldv_is_in_set_#in~s.offset| ldv_is_in_set_~s.offset)) (.cse2 (not (= |ldv_is_in_set_#in~s.base| (select .cse15 |ldv_is_in_set_#in~s.offset|)))) (.cse3 (not (= (select .cse14 |ldv_is_in_set_#in~s.offset|) |ldv_is_in_set_#in~s.offset|))) (.cse6 (= |ldv_is_in_set_#in~s.base| ldv_is_in_set_~s.base)) (.cse7 (= (select (select |#memory_$Pointer$.base| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset) ldv_is_in_set_~m~1.base)) (.cse8 (= (select (select |#memory_$Pointer$.offset| ldv_is_in_set_~s.base) ldv_is_in_set_~s.offset) .cse13)) (.cse9 (not (<= (+ |#StackHeapBarrier| 1) |~#s1~0.base|))) (.cse10 (not (= |~#s1~0.offset| 0)))) (and (or (not .cse0) .cse1 (not (= |~#s1~0.offset| (select (select |#memory_$Pointer$.offset| |~#s1~0.base|) |~#s1~0.offset|))) .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse9 .cse10) (let ((.cse11 (select .cse15 ldv_is_in_set_~s.offset)) (.cse12 (select .cse14 ldv_is_in_set_~s.offset))) (or .cse1 (and .cse4 (= ldv_is_in_set_~m~1.base .cse11) .cse5 .cse6 (<= .cse12 .cse13) (<= .cse13 .cse12)) .cse0 (and (not (= |ldv_is_in_set_#in~e| (select (select |#memory_int| .cse11) (+ .cse12 (- 4))))) .cse5 (or .cse2 .cse3 (and .cse6 .cse7 .cse8))) .cse9 .cse10))))) [2020-08-21 18:10:35,610 INFO L268 CegarLoopResult]: For program point L641-4(lines 641 645) no Hoare annotation was computed. [2020-08-21 18:10:35,610 INFO L271 CegarLoopResult]: At program point ldv_is_in_setENTRY(lines 639 647) the Hoare annotation is: true [2020-08-21 18:10:35,611 INFO L268 CegarLoopResult]: For program point ldv_is_in_setFINAL(lines 639 647) no Hoare annotation was computed. [2020-08-21 18:10:35,611 INFO L268 CegarLoopResult]: For program point L642(lines 642 644) no Hoare annotation was computed. [2020-08-21 18:10:35,625 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,627 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,628 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,629 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,630 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,631 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,634 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,635 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,636 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 18:10:35,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,637 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,638 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,639 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,643 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,644 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,645 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,646 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,647 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,648 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,648 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,649 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,650 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 18:10:35,651 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,652 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,653 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 06:10:35 BoogieIcfgContainer [2020-08-21 18:10:35,656 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 18:10:35,658 INFO L168 Benchmark]: Toolchain (without parser) took 11056.51 ms. Allocated memory was 138.4 MB in the beginning and 365.4 MB in the end (delta: 227.0 MB). Free memory was 99.7 MB in the beginning and 278.4 MB in the end (delta: -178.7 MB). Peak memory consumption was 210.2 MB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,659 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,660 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.85 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.5 MB in the beginning and 161.7 MB in the end (delta: -62.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,661 INFO L168 Benchmark]: Boogie Preprocessor took 89.18 ms. Allocated memory is still 200.8 MB. Free memory was 161.7 MB in the beginning and 158.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,661 INFO L168 Benchmark]: RCFGBuilder took 827.73 ms. Allocated memory is still 200.8 MB. Free memory was 158.3 MB in the beginning and 101.2 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,662 INFO L168 Benchmark]: TraceAbstraction took 9433.68 ms. Allocated memory was 200.8 MB in the beginning and 365.4 MB in the end (delta: 164.6 MB). Free memory was 100.5 MB in the beginning and 278.4 MB in the end (delta: -177.9 MB). Peak memory consumption was 148.7 MB. Max. memory is 7.1 GB. [2020-08-21 18:10:35,666 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.85 ms. Allocated memory was 138.4 MB in the beginning and 200.8 MB in the end (delta: 62.4 MB). Free memory was 99.5 MB in the beginning and 161.7 MB in the end (delta: -62.2 MB). Peak memory consumption was 22.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.18 ms. Allocated memory is still 200.8 MB. Free memory was 161.7 MB in the beginning and 158.3 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 827.73 ms. Allocated memory is still 200.8 MB. Free memory was 158.3 MB in the beginning and 101.2 MB in the end (delta: 57.0 MB). Peak memory consumption was 57.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 9433.68 ms. Allocated memory was 200.8 MB in the beginning and 365.4 MB in the end (delta: 164.6 MB). Free memory was 100.5 MB in the beginning and 278.4 MB in the end (delta: -177.9 MB). Peak memory consumption was 148.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #memory_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier - 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_$Pointer$ - GenericResult: Unfinished Backtranslation unknown boogie variable #StackHeapBarrier * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 656]: 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: 641]: Loop Invariant [2020-08-21 18:10:35,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,681 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,682 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,683 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,684 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,685 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,685 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,686 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,687 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 18:10:35,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,688 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,689 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,690 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,691 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,692 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,693 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2020-08-21 18:10:35,694 WARN L417 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2020-08-21 18:10:35,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,694 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,695 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier [2020-08-21 18:10:35,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,696 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_int [2020-08-21 18:10:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,697 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #memory_$Pointer$ [2020-08-21 18:10:35,698 WARN L1295 BoogieBacktranslator]: unknown boogie variable #StackHeapBarrier Derived loop invariant: (((((((!(s1 == #memory_$Pointer$[s1][s1]) || !(\valid[s1] == 1)) || !(s1 == #memory_$Pointer$[s1][s1])) || !(s == #memory_$Pointer$[s][s])) || !(#memory_$Pointer$[s][s] == s)) || ((((\old(e) == e && s == s) && s == s) && #memory_$Pointer$[s][s] == m) && #memory_$Pointer$[s][s] == m + 4)) || !(unknown-#StackHeapBarrier-unknown + 1 <= s1)) || !(s1 == 0)) && (((((!(\valid[s1] == 1) || (((((\old(e) == e && m == #memory_$Pointer$[s][s]) && s == s) && s == s) && #memory_$Pointer$[s][s] <= m + 4) && m + 4 <= #memory_$Pointer$[s][s])) || s1 == #memory_$Pointer$[s1][s1]) || ((!(\old(e) == unknown-#memory_int-unknown[#memory_$Pointer$[s][s]][#memory_$Pointer$[s][s] + -4]) && s == s) && ((!(s == #memory_$Pointer$[s][s]) || !(#memory_$Pointer$[s][s] == s)) || ((s == s && #memory_$Pointer$[s][s] == m) && #memory_$Pointer$[s][s] == m + 4)))) || !(unknown-#StackHeapBarrier-unknown + 1 <= s1)) || !(s1 == 0)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 21 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 7.9s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 5.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 234 SDtfs, 581 SDslu, 278 SDs, 0 SdLazy, 1765 SolverSat, 304 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 187 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 403 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=56occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 19 LocationsWithAnnotation, 37 PreInvPairs, 44 NumberOfFragments, 931 HoareAnnotationTreeSize, 37 FomulaSimplifications, 99 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 19 FomulaSimplificationsInter, 1187 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 225 ConstructedInterpolants, 0 QuantifiedInterpolants, 74932 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 19/30 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...