/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-06 22:28:11,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-06 22:28:11,007 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-06 22:28:11,067 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-06 22:28:11,068 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-06 22:28:11,073 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-06 22:28:11,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-06 22:28:11,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-06 22:28:11,090 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-06 22:28:11,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-06 22:28:11,117 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-06 22:28:11,120 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-06 22:28:11,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-06 22:28:11,123 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-06 22:28:11,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-06 22:28:11,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-06 22:28:11,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-06 22:28:11,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-06 22:28:11,140 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-06 22:28:11,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-06 22:28:11,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-06 22:28:11,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-06 22:28:11,151 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-06 22:28:11,152 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-06 22:28:11,155 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-06 22:28:11,155 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-06 22:28:11,155 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-06 22:28:11,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-06 22:28:11,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-06 22:28:11,158 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-06 22:28:11,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-06 22:28:11,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-06 22:28:11,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-06 22:28:11,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-06 22:28:11,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-06 22:28:11,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-06 22:28:11,165 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-06 22:28:11,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-06 22:28:11,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-06 22:28:11,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-06 22:28:11,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-06 22:28:11,169 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-11-06 22:28:11,196 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-06 22:28:11,196 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-06 22:28:11,198 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-06 22:28:11,198 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-06 22:28:11,198 INFO L138 SettingsManager]: * Use SBE=true [2020-11-06 22:28:11,199 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-06 22:28:11,199 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-06 22:28:11,199 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-06 22:28:11,199 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-06 22:28:11,200 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-06 22:28:11,200 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-06 22:28:11,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-06 22:28:11,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-06 22:28:11,201 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-06 22:28:11,201 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-06 22:28:11,201 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-06 22:28:11,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-06 22:28:11,202 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-06 22:28:11,202 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-06 22:28:11,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-06 22:28:11,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-06 22:28:11,203 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:28:11,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-06 22:28:11,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-06 22:28:11,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-06 22:28:11,204 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-06 22:28:11,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-06 22:28:11,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-06 22:28:11,204 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-06 22:28:11,204 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-06 22:28:11,576 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-06 22:28:11,609 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-06 22:28:11,613 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-06 22:28:11,615 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-06 22:28:11,619 INFO L275 PluginConnector]: CDTParser initialized [2020-11-06 22:28:11,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-11-06 22:28:11,717 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375075b5/b9c95fddc6c44ccdad4b40546a966f5f/FLAGdd271ac11 [2020-11-06 22:28:12,366 INFO L306 CDTParser]: Found 1 translation units. [2020-11-06 22:28:12,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-11-06 22:28:12,375 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375075b5/b9c95fddc6c44ccdad4b40546a966f5f/FLAGdd271ac11 [2020-11-06 22:28:12,747 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0375075b5/b9c95fddc6c44ccdad4b40546a966f5f [2020-11-06 22:28:12,752 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-06 22:28:12,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-06 22:28:12,766 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:12,767 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-06 22:28:12,771 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-06 22:28:12,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:12" (1/1) ... [2020-11-06 22:28:12,776 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3caf4474 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:12, skipping insertion in model container [2020-11-06 22:28:12,777 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:28:12" (1/1) ... [2020-11-06 22:28:12,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-06 22:28:12,814 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-06 22:28:12,996 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:13,012 INFO L203 MainTranslator]: Completed pre-run [2020-11-06 22:28:13,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-06 22:28:13,062 INFO L208 MainTranslator]: Completed translation [2020-11-06 22:28:13,062 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13 WrapperNode [2020-11-06 22:28:13,063 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-06 22:28:13,064 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-06 22:28:13,064 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-06 22:28:13,064 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-06 22:28:13,079 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,079 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,110 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... [2020-11-06 22:28:13,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-06 22:28:13,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-06 22:28:13,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-06 22:28:13,123 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-06 22:28:13,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-06 22:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-06 22:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-06 22:28:13,211 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-06 22:28:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-11-06 22:28:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-11-06 22:28:13,212 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-11-06 22:28:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-11-06 22:28:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-11-06 22:28:13,213 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-11-06 22:28:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-11-06 22:28:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-06 22:28:13,214 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-11-06 22:28:13,214 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-06 22:28:13,215 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-06 22:28:13,216 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-06 22:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-06 22:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-11-06 22:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-11-06 22:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-11-06 22:28:13,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-06 22:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-11-06 22:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-11-06 22:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-11-06 22:28:13,218 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-06 22:28:13,219 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-06 22:28:13,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-06 22:28:13,748 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-06 22:28:13,748 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-11-06 22:28:13,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:13 BoogieIcfgContainer [2020-11-06 22:28:13,750 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-06 22:28:13,752 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-06 22:28:13,752 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-06 22:28:13,756 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-06 22:28:13,756 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:28:12" (1/3) ... [2020-11-06 22:28:13,757 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68319afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:13, skipping insertion in model container [2020-11-06 22:28:13,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:28:13" (2/3) ... [2020-11-06 22:28:13,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68319afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:28:13, skipping insertion in model container [2020-11-06 22:28:13,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:28:13" (3/3) ... [2020-11-06 22:28:13,760 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-11-06 22:28:13,776 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-06 22:28:13,780 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-06 22:28:13,793 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-11-06 22:28:13,824 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-06 22:28:13,824 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-06 22:28:13,824 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-06 22:28:13,824 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-06 22:28:13,824 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-06 22:28:13,825 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-06 22:28:13,825 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-06 22:28:13,825 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-06 22:28:13,845 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2020-11-06 22:28:13,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-11-06 22:28:13,851 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:13,852 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:13,852 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:13,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:13,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1371850267, now seen corresponding path program 1 times [2020-11-06 22:28:13,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:13,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386024971] [2020-11-06 22:28:13,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:14,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:14,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:14,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:14,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-06 22:28:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:14,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:14,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:14,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:14,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:14,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-06 22:28:14,653 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386024971] [2020-11-06 22:28:14,654 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:14,654 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 22:28:14,655 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104847793] [2020-11-06 22:28:14,661 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:28:14,661 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:14,677 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:28:14,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:28:14,680 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 10 states. [2020-11-06 22:28:15,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:15,255 INFO L93 Difference]: Finished difference Result 82 states and 94 transitions. [2020-11-06 22:28:15,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-06 22:28:15,257 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 27 [2020-11-06 22:28:15,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:15,268 INFO L225 Difference]: With dead ends: 82 [2020-11-06 22:28:15,269 INFO L226 Difference]: Without dead ends: 59 [2020-11-06 22:28:15,272 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:28:15,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-11-06 22:28:15,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 57. [2020-11-06 22:28:15,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-11-06 22:28:15,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2020-11-06 22:28:15,326 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 27 [2020-11-06 22:28:15,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:15,328 INFO L481 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2020-11-06 22:28:15,328 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:28:15,328 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2020-11-06 22:28:15,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-11-06 22:28:15,331 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:15,331 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:15,331 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-06 22:28:15,332 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:15,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:15,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1040777187, now seen corresponding path program 1 times [2020-11-06 22:28:15,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:15,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845686894] [2020-11-06 22:28:15,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-06 22:28:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 22:28:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:15,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-11-06 22:28:15,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845686894] [2020-11-06 22:28:15,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:15,642 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-06 22:28:15,642 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240709323] [2020-11-06 22:28:15,644 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-06 22:28:15,644 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:15,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-06 22:28:15,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:28:15,646 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand 10 states. [2020-11-06 22:28:16,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:16,394 INFO L93 Difference]: Finished difference Result 77 states and 81 transitions. [2020-11-06 22:28:16,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-06 22:28:16,395 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 38 [2020-11-06 22:28:16,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:16,398 INFO L225 Difference]: With dead ends: 77 [2020-11-06 22:28:16,399 INFO L226 Difference]: Without dead ends: 67 [2020-11-06 22:28:16,401 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-11-06 22:28:16,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-06 22:28:16,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-11-06 22:28:16,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-06 22:28:16,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 69 transitions. [2020-11-06 22:28:16,436 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 69 transitions. Word has length 38 [2020-11-06 22:28:16,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:16,437 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 69 transitions. [2020-11-06 22:28:16,437 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-06 22:28:16,437 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 69 transitions. [2020-11-06 22:28:16,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-11-06 22:28:16,442 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:16,442 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:16,443 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-06 22:28:16,443 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:16,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:16,444 INFO L82 PathProgramCache]: Analyzing trace with hash -2106647823, now seen corresponding path program 1 times [2020-11-06 22:28:16,444 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:16,445 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109354544] [2020-11-06 22:28:16,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-06 22:28:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 22:28:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:28:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:16,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-11-06 22:28:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:16,824 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-11-06 22:28:16,832 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109354544] [2020-11-06 22:28:16,832 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:16,832 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-06 22:28:16,833 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845711340] [2020-11-06 22:28:16,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-06 22:28:16,833 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:16,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-06 22:28:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-11-06 22:28:16,834 INFO L87 Difference]: Start difference. First operand 65 states and 69 transitions. Second operand 13 states. [2020-11-06 22:28:17,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:17,375 INFO L93 Difference]: Finished difference Result 84 states and 88 transitions. [2020-11-06 22:28:17,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-11-06 22:28:17,376 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 60 [2020-11-06 22:28:17,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:17,378 INFO L225 Difference]: With dead ends: 84 [2020-11-06 22:28:17,378 INFO L226 Difference]: Without dead ends: 67 [2020-11-06 22:28:17,379 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-11-06 22:28:17,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-11-06 22:28:17,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 65. [2020-11-06 22:28:17,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-11-06 22:28:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 68 transitions. [2020-11-06 22:28:17,392 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 68 transitions. Word has length 60 [2020-11-06 22:28:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:17,392 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 68 transitions. [2020-11-06 22:28:17,393 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-06 22:28:17,393 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 68 transitions. [2020-11-06 22:28:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-11-06 22:28:17,394 INFO L414 BasicCegarLoop]: Found error trace [2020-11-06 22:28:17,395 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-06 22:28:17,395 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-06 22:28:17,395 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-06 22:28:17,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-06 22:28:17,396 INFO L82 PathProgramCache]: Analyzing trace with hash 1403538729, now seen corresponding path program 1 times [2020-11-06 22:28:17,396 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-06 22:28:17,396 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822426482] [2020-11-06 22:28:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-06 22:28:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-11-06 22:28:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-06 22:28:17,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-11-06 22:28:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-06 22:28:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-06 22:28:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-11-06 22:28:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-11-06 22:28:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-06 22:28:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-06 22:28:17,614 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822426482] [2020-11-06 22:28:17,614 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-06 22:28:17,614 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-06 22:28:17,614 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371235691] [2020-11-06 22:28:17,615 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-06 22:28:17,615 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-06 22:28:17,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-06 22:28:17,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-11-06 22:28:17,616 INFO L87 Difference]: Start difference. First operand 65 states and 68 transitions. Second operand 7 states. [2020-11-06 22:28:17,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-06 22:28:17,939 INFO L93 Difference]: Finished difference Result 67 states and 70 transitions. [2020-11-06 22:28:17,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-06 22:28:17,940 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-11-06 22:28:17,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-06 22:28:17,941 INFO L225 Difference]: With dead ends: 67 [2020-11-06 22:28:17,941 INFO L226 Difference]: Without dead ends: 0 [2020-11-06 22:28:17,942 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2020-11-06 22:28:17,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-06 22:28:17,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-06 22:28:17,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-06 22:28:17,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-06 22:28:17,943 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-11-06 22:28:17,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-06 22:28:17,943 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-06 22:28:17,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-06 22:28:17,944 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-06 22:28:17,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-06 22:28:17,944 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-06 22:28:17,960 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-06 22:28:18,630 INFO L266 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-11-06 22:28:18,631 INFO L269 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-11-06 22:28:18,631 INFO L266 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-11-06 22:28:18,632 INFO L266 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-11-06 22:28:18,632 INFO L266 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-11-06 22:28:18,632 INFO L266 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-11-06 22:28:18,632 INFO L262 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-11-06 22:28:18,632 INFO L266 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-11-06 22:28:18,632 INFO L266 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,633 INFO L262 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-11-06 22:28:18,633 INFO L266 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,633 INFO L266 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-11-06 22:28:18,633 INFO L266 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-11-06 22:28:18,633 INFO L262 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (or (not (= ~used_tmp_slot~0 1)) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= ~tmp_slot~0.base 0)) [2020-11-06 22:28:18,634 INFO L266 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-11-06 22:28:18,634 INFO L262 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (< 0 |kzalloc_#t~malloc7.base|) (<= (+ |kzalloc_#t~malloc7.base| 1) 0))) [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L262 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L266 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-11-06 22:28:18,635 INFO L269 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-11-06 22:28:18,636 INFO L269 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-11-06 22:28:18,636 INFO L266 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-11-06 22:28:18,636 INFO L266 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-11-06 22:28:18,636 INFO L266 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-11-06 22:28:18,636 INFO L262 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-06 22:28:18,636 INFO L262 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-06 22:28:18,637 INFO L262 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-06 22:28:18,637 INFO L266 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-11-06 22:28:18,637 INFO L266 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-11-06 22:28:18,637 INFO L262 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-11-06 22:28:18,637 INFO L266 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-11-06 22:28:18,637 INFO L262 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-06 22:28:18,637 INFO L266 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-11-06 22:28:18,638 INFO L266 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-11-06 22:28:18,638 INFO L262 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-11-06 22:28:18,638 INFO L266 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-11-06 22:28:18,638 INFO L262 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0)) (= ~used_tmp_slot~0 1)) [2020-11-06 22:28:18,638 INFO L266 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-11-06 22:28:18,638 INFO L262 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:18,638 INFO L266 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L266 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L266 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L262 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:18,639 INFO L266 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L266 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L266 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,639 INFO L269 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-11-06 22:28:18,639 INFO L269 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-11-06 22:28:18,640 INFO L266 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,640 INFO L262 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|)) [2020-11-06 22:28:18,640 INFO L266 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-11-06 22:28:18,640 INFO L266 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-11-06 22:28:18,640 INFO L266 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-11-06 22:28:18,640 INFO L266 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-11-06 22:28:18,640 INFO L262 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: false [2020-11-06 22:28:18,641 INFO L266 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-11-06 22:28:18,641 INFO L269 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-11-06 22:28:18,641 INFO L266 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-11-06 22:28:18,641 INFO L266 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-11-06 22:28:18,641 INFO L262 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-11-06 22:28:18,641 INFO L266 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,641 INFO L266 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-11-06 22:28:18,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:28:18 BoogieIcfgContainer [2020-11-06 22:28:18,666 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-06 22:28:18,671 INFO L168 Benchmark]: Toolchain (without parser) took 5915.61 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 126.2 MB in the beginning and 74.9 MB in the end (delta: 51.2 MB). Peak memory consumption was 109.6 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:18,672 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-11-06 22:28:18,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.79 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 114.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:18,673 INFO L168 Benchmark]: Boogie Preprocessor took 54.89 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 113.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:18,674 INFO L168 Benchmark]: RCFGBuilder took 627.56 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 124.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:18,675 INFO L168 Benchmark]: TraceAbstraction took 4914.19 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 124.3 MB in the beginning and 74.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 106.5 MB. Max. memory is 8.0 GB. [2020-11-06 22:28:18,679 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 123.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 296.79 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 114.9 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 54.89 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 113.1 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 627.56 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 124.8 MB in the end (delta: -11.7 MB). Peak memory consumption was 17.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4914.19 ms. Allocated memory was 151.0 MB in the beginning and 199.2 MB in the end (delta: 48.2 MB). Free memory was 124.3 MB in the beginning and 74.9 MB in the end (delta: 49.3 MB). Peak memory consumption was 106.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: 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: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 214 SDtfs, 197 SDslu, 728 SDs, 0 SdLazy, 691 SolverSat, 174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=66occurred 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 35 PreInvPairs, 38 NumberOfFragments, 262 HoareAnnotationTreeSize, 35 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 553 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 189 NumberOfCodeBlocks, 189 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 35914 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 56/56 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...