/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 0.2.1-dev-b7b32d2 [2021-02-19 17:43:42,973 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-19 17:43:42,976 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-19 17:43:43,012 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-19 17:43:43,013 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-19 17:43:43,014 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-19 17:43:43,016 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-19 17:43:43,019 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-19 17:43:43,021 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-19 17:43:43,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-19 17:43:43,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-19 17:43:43,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-19 17:43:43,027 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-19 17:43:43,028 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-19 17:43:43,030 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-19 17:43:43,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-19 17:43:43,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-19 17:43:43,046 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-19 17:43:43,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-19 17:43:43,051 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-19 17:43:43,053 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-19 17:43:43,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-19 17:43:43,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-19 17:43:43,063 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-19 17:43:43,071 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-19 17:43:43,082 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-19 17:43:43,086 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-19 17:43:43,087 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-19 17:43:43,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-19 17:43:43,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-19 17:43:43,091 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-19 17:43:43,092 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-19 17:43:43,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-19 17:43:43,093 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-19 17:43:43,094 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-19 17:43:43,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-19 17:43:43,096 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 [2021-02-19 17:43:43,154 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-19 17:43:43,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-19 17:43:43,159 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-02-19 17:43:43,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-02-19 17:43:43,160 INFO L138 SettingsManager]: * Use SBE=true [2021-02-19 17:43:43,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-19 17:43:43,161 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-19 17:43:43,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-19 17:43:43,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-19 17:43:43,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-19 17:43:43,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-19 17:43:43,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-19 17:43:43,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-19 17:43:43,163 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-19 17:43:43,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-19 17:43:43,164 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-19 17:43:43,164 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-19 17:43:43,164 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-19 17:43:43,165 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-02-19 17:43:43,165 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-19 17:43:43,165 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-19 17:43:43,165 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-19 17:43:43,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-02-19 17:43:43,166 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-02-19 17:43:43,167 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-02-19 17:43:43,167 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-02-19 17:43:43,167 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-19 17:43:43,167 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-02-19 17:43:43,167 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-19 17:43:43,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-19 17:43:43,620 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-19 17:43:43,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-19 17:43:43,625 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-19 17:43:43,626 INFO L275 PluginConnector]: CDTParser initialized [2021-02-19 17:43:43,627 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2021-02-19 17:43:43,709 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2d2fa2a/944ca294926e4638b9535b13d9ab5774/FLAG7674dee28 [2021-02-19 17:43:44,423 INFO L306 CDTParser]: Found 1 translation units. [2021-02-19 17:43:44,424 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2021-02-19 17:43:44,433 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2d2fa2a/944ca294926e4638b9535b13d9ab5774/FLAG7674dee28 [2021-02-19 17:43:44,737 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa2d2fa2a/944ca294926e4638b9535b13d9ab5774 [2021-02-19 17:43:44,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-19 17:43:44,760 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-19 17:43:44,765 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-19 17:43:44,765 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-19 17:43:44,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-19 17:43:44,772 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:43:44" (1/1) ... [2021-02-19 17:43:44,774 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a921179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:44, skipping insertion in model container [2021-02-19 17:43:44,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 05:43:44" (1/1) ... [2021-02-19 17:43:44,785 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-19 17:43:44,820 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-19 17:43:45,009 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2021-02-19 17:43:45,049 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:43:45,070 INFO L203 MainTranslator]: Completed pre-run [2021-02-19 17:43:45,086 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i[299,312] [2021-02-19 17:43:45,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-19 17:43:45,126 INFO L208 MainTranslator]: Completed translation [2021-02-19 17:43:45,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45 WrapperNode [2021-02-19 17:43:45,127 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-19 17:43:45,128 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-19 17:43:45,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-19 17:43:45,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-19 17:43:45,147 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,175 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,178 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,181 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (1/1) ... [2021-02-19 17:43:45,185 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-19 17:43:45,187 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-19 17:43:45,187 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-19 17:43:45,187 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-19 17:43:45,188 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (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 [2021-02-19 17:43:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-19 17:43:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-19 17:43:45,311 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-19 17:43:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-19 17:43:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-19 17:43:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-19 17:43:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2021-02-19 17:43:45,312 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2021-02-19 17:43:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2021-02-19 17:43:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2021-02-19 17:43:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-19 17:43:45,313 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-19 17:43:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-19 17:43:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-19 17:43:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-19 17:43:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-19 17:43:45,314 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-19 17:43:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-19 17:43:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-19 17:43:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-19 17:43:45,315 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-19 17:43:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-19 17:43:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2021-02-19 17:43:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-19 17:43:45,316 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2021-02-19 17:43:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2021-02-19 17:43:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2021-02-19 17:43:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-19 17:43:45,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-19 17:43:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-19 17:43:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-19 17:43:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-19 17:43:45,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-19 17:43:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-19 17:43:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-19 17:43:45,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-19 17:43:46,124 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-19 17:43:46,125 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-19 17:43:46,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:43:46 BoogieIcfgContainer [2021-02-19 17:43:46,127 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-19 17:43:46,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-19 17:43:46,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-19 17:43:46,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-19 17:43:46,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 05:43:44" (1/3) ... [2021-02-19 17:43:46,141 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8c645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:43:46, skipping insertion in model container [2021-02-19 17:43:46,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 05:43:45" (2/3) ... [2021-02-19 17:43:46,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8c645f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 05:43:46, skipping insertion in model container [2021-02-19 17:43:46,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 05:43:46" (3/3) ... [2021-02-19 17:43:46,144 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2021-02-19 17:43:46,158 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-02-19 17:43:46,165 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-19 17:43:46,191 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-19 17:43:46,245 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-19 17:43:46,245 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-19 17:43:46,246 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-02-19 17:43:46,246 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-19 17:43:46,246 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-19 17:43:46,246 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-19 17:43:46,246 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-19 17:43:46,247 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-19 17:43:46,273 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2021-02-19 17:43:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-02-19 17:43:46,286 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:46,288 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] [2021-02-19 17:43:46,288 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:46,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:46,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1927839948, now seen corresponding path program 1 times [2021-02-19 17:43:46,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:46,313 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357302703] [2021-02-19 17:43:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,712 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:46,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:46,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,844 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-19 17:43:46,846 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-19 17:43:46,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:43:46,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:46,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:46,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-19 17:43:46,954 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357302703] [2021-02-19 17:43:46,956 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:46,956 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:43:46,958 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1276467304] [2021-02-19 17:43:46,965 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:43:46,965 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:46,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:43:46,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:43:46,999 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 10 states. [2021-02-19 17:43:47,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:47,663 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2021-02-19 17:43:47,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-19 17:43:47,665 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2021-02-19 17:43:47,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:47,677 INFO L225 Difference]: With dead ends: 77 [2021-02-19 17:43:47,678 INFO L226 Difference]: Without dead ends: 58 [2021-02-19 17:43:47,682 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 [2021-02-19 17:43:47,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2021-02-19 17:43:47,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2021-02-19 17:43:47,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2021-02-19 17:43:47,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2021-02-19 17:43:47,747 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 26 [2021-02-19 17:43:47,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:47,750 INFO L480 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2021-02-19 17:43:47,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:43:47,750 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2021-02-19 17:43:47,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-02-19 17:43:47,753 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:47,753 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] [2021-02-19 17:43:47,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-19 17:43:47,754 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:47,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:47,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1084443593, now seen corresponding path program 1 times [2021-02-19 17:43:47,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:47,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293973174] [2021-02-19 17:43:47,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:47,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:47,888 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,889 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:47,890 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,891 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:47,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:47,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:47,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:47,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:47,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:47,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:47,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:47,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:47,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:48,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:48,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,022 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:48,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,057 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-19 17:43:48,059 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-19 17:43:48,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:43:48,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,105 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-02-19 17:43:48,106 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293973174] [2021-02-19 17:43:48,106 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:48,106 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-19 17:43:48,107 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764466784] [2021-02-19 17:43:48,108 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-19 17:43:48,109 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:48,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-19 17:43:48,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-19 17:43:48,110 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 10 states. [2021-02-19 17:43:48,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:48,827 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2021-02-19 17:43:48,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-19 17:43:48,828 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2021-02-19 17:43:48,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:48,830 INFO L225 Difference]: With dead ends: 75 [2021-02-19 17:43:48,830 INFO L226 Difference]: Without dead ends: 66 [2021-02-19 17:43:48,832 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2021-02-19 17:43:48,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-02-19 17:43:48,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-02-19 17:43:48,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-19 17:43:48,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2021-02-19 17:43:48,849 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 37 [2021-02-19 17:43:48,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:48,849 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2021-02-19 17:43:48,849 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-19 17:43:48,850 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2021-02-19 17:43:48,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-02-19 17:43:48,852 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:48,852 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] [2021-02-19 17:43:48,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-19 17:43:48,853 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:48,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:48,853 INFO L82 PathProgramCache]: Analyzing trace with hash -854378489, now seen corresponding path program 1 times [2021-02-19 17:43:48,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:48,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319936872] [2021-02-19 17:43:48,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:48,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:48,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:48,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:48,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:48,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:48,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:49,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-19 17:43:49,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:49,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-19 17:43:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:43:49,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:43:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,140 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-19 17:43:49,141 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-19 17:43:49,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-19 17:43:49,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2021-02-19 17:43:49,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,239 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-02-19 17:43:49,239 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319936872] [2021-02-19 17:43:49,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:49,240 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-19 17:43:49,240 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013413197] [2021-02-19 17:43:49,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-19 17:43:49,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:49,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-19 17:43:49,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-02-19 17:43:49,242 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 13 states. [2021-02-19 17:43:49,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:49,763 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2021-02-19 17:43:49,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-19 17:43:49,764 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2021-02-19 17:43:49,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:49,766 INFO L225 Difference]: With dead ends: 82 [2021-02-19 17:43:49,766 INFO L226 Difference]: Without dead ends: 66 [2021-02-19 17:43:49,767 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 [2021-02-19 17:43:49,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-02-19 17:43:49,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-02-19 17:43:49,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-02-19 17:43:49,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2021-02-19 17:43:49,782 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 59 [2021-02-19 17:43:49,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:49,782 INFO L480 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2021-02-19 17:43:49,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-19 17:43:49,783 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2021-02-19 17:43:49,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-02-19 17:43:49,785 INFO L414 BasicCegarLoop]: Found error trace [2021-02-19 17:43:49,785 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] [2021-02-19 17:43:49,785 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-19 17:43:49,785 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-19 17:43:49,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-19 17:43:49,786 INFO L82 PathProgramCache]: Analyzing trace with hash -2108152309, now seen corresponding path program 1 times [2021-02-19 17:43:49,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-02-19 17:43:49,787 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456170689] [2021-02-19 17:43:49,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-19 17:43:49,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-19 17:43:49,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2021-02-19 17:43:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-19 17:43:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-19 17:43:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2021-02-19 17:43:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:49,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:49,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-19 17:43:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:50,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:50,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-19 17:43:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:50,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:50,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:50,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-19 17:43:50,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:50,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:50,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2021-02-19 17:43:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-19 17:43:50,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-19 17:43:50,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-19 17:43:50,040 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-02-19 17:43:50,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456170689] [2021-02-19 17:43:50,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-19 17:43:50,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-19 17:43:50,041 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69569879] [2021-02-19 17:43:50,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-19 17:43:50,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-02-19 17:43:50,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-19 17:43:50,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-19 17:43:50,043 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 7 states. [2021-02-19 17:43:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-19 17:43:50,410 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2021-02-19 17:43:50,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-19 17:43:50,411 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2021-02-19 17:43:50,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-19 17:43:50,412 INFO L225 Difference]: With dead ends: 66 [2021-02-19 17:43:50,412 INFO L226 Difference]: Without dead ends: 0 [2021-02-19 17:43:50,414 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 [2021-02-19 17:43:50,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-19 17:43:50,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-19 17:43:50,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-19 17:43:50,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-19 17:43:50,415 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2021-02-19 17:43:50,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-19 17:43:50,415 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-19 17:43:50,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-19 17:43:50,415 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-19 17:43:50,415 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-19 17:43:50,416 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-19 17:43:50,418 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-19 17:43:50,976 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-19 17:43:50,976 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-19 17:43:50,976 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-19 17:43:50,977 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2021-02-19 17:43:50,977 INFO L189 CegarLoopUtils]: For program point L57(line 57) no Hoare annotation was computed. [2021-02-19 17:43:50,977 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,977 INFO L189 CegarLoopUtils]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2021-02-19 17:43:50,977 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:50,978 INFO L185 CegarLoopUtils]: 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)|)) [2021-02-19 17:43:50,978 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:50,978 INFO L189 CegarLoopUtils]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2021-02-19 17:43:50,978 INFO L189 CegarLoopUtils]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2021-02-19 17:43:50,978 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,979 INFO L189 CegarLoopUtils]: For program point L51(lines 51 52) no Hoare annotation was computed. [2021-02-19 17:43:50,979 INFO L185 CegarLoopUtils]: 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))) [2021-02-19 17:43:50,979 INFO L189 CegarLoopUtils]: For program point L48-1(line 48) no Hoare annotation was computed. [2021-02-19 17:43:50,979 INFO L189 CegarLoopUtils]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2021-02-19 17:43:50,979 INFO L185 CegarLoopUtils]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2021-02-19 17:43:50,979 INFO L189 CegarLoopUtils]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2021-02-19 17:43:50,980 INFO L189 CegarLoopUtils]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 8) no Hoare annotation was computed. [2021-02-19 17:43:50,980 INFO L189 CegarLoopUtils]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:43:50,980 INFO L189 CegarLoopUtils]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2021-02-19 17:43:50,980 INFO L192 CegarLoopUtils]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2021-02-19 17:43:50,980 INFO L192 CegarLoopUtils]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2021-02-19 17:43:50,980 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2021-02-19 17:43:50,980 INFO L189 CegarLoopUtils]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2021-02-19 17:43:50,981 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2021-02-19 17:43:50,981 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,981 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,981 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,981 INFO L189 CegarLoopUtils]: For program point L87(lines 87 90) no Hoare annotation was computed. [2021-02-19 17:43:50,981 INFO L189 CegarLoopUtils]: For program point L120-1(line 120) no Hoare annotation was computed. [2021-02-19 17:43:50,982 INFO L185 CegarLoopUtils]: 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)|)) [2021-02-19 17:43:50,982 INFO L189 CegarLoopUtils]: For program point L85-1(line 85) no Hoare annotation was computed. [2021-02-19 17:43:50,982 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,982 INFO L189 CegarLoopUtils]: For program point L116-1(line 116) no Hoare annotation was computed. [2021-02-19 17:43:50,982 INFO L189 CegarLoopUtils]: For program point L79(lines 79 82) no Hoare annotation was computed. [2021-02-19 17:43:50,982 INFO L185 CegarLoopUtils]: 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))) [2021-02-19 17:43:50,983 INFO L189 CegarLoopUtils]: For program point L98-1(line 98) no Hoare annotation was computed. [2021-02-19 17:43:50,983 INFO L185 CegarLoopUtils]: 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)) [2021-02-19 17:43:50,983 INFO L189 CegarLoopUtils]: For program point L127-1(line 127) no Hoare annotation was computed. [2021-02-19 17:43:50,983 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:50,983 INFO L189 CegarLoopUtils]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2021-02-19 17:43:50,983 INFO L189 CegarLoopUtils]: For program point L121(lines 121 122) no Hoare annotation was computed. [2021-02-19 17:43:50,983 INFO L189 CegarLoopUtils]: For program point L117(lines 117 118) no Hoare annotation was computed. [2021-02-19 17:43:50,984 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:50,984 INFO L189 CegarLoopUtils]: For program point L78-1(line 78) no Hoare annotation was computed. [2021-02-19 17:43:50,984 INFO L189 CegarLoopUtils]: For program point L99(lines 99 107) no Hoare annotation was computed. [2021-02-19 17:43:50,984 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:50,984 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-19 17:43:50,984 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-19 17:43:50,984 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L185 CegarLoopUtils]: 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|)) [2021-02-19 17:43:50,985 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L189 CegarLoopUtils]: For program point L138(line 138) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L189 CegarLoopUtils]: For program point L137(lines 137 138) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L189 CegarLoopUtils]: For program point L136(line 136) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L185 CegarLoopUtils]: At program point L138-2(line 138) the Hoare annotation is: false [2021-02-19 17:43:50,985 INFO L189 CegarLoopUtils]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2021-02-19 17:43:50,985 INFO L192 CegarLoopUtils]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2021-02-19 17:43:50,986 INFO L189 CegarLoopUtils]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2021-02-19 17:43:50,986 INFO L189 CegarLoopUtils]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2021-02-19 17:43:50,986 INFO L185 CegarLoopUtils]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2021-02-19 17:43:50,986 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2021-02-19 17:43:50,986 INFO L189 CegarLoopUtils]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2021-02-19 17:43:51,009 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 05:43:51 BoogieIcfgContainer [2021-02-19 17:43:51,010 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-19 17:43:51,011 INFO L168 Benchmark]: Toolchain (without parser) took 6264.41 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 130.9 MB in the beginning and 123.2 MB in the end (delta: 7.7 MB). Peak memory consumption was 104.6 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:51,012 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 127.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-19 17:43:51,013 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.69 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 119.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:51,013 INFO L168 Benchmark]: Boogie Preprocessor took 57.38 ms. Allocated memory is still 155.2 MB. Free memory was 119.2 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:51,014 INFO L168 Benchmark]: RCFGBuilder took 940.39 ms. Allocated memory is still 155.2 MB. Free memory was 117.2 MB in the beginning and 128.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:51,015 INFO L168 Benchmark]: TraceAbstraction took 4877.10 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 127.7 MB in the beginning and 123.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. [2021-02-19 17:43:51,018 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 155.2 MB. Free memory is still 127.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 362.69 ms. Allocated memory is still 155.2 MB. Free memory was 129.9 MB in the beginning and 119.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 57.38 ms. Allocated memory is still 155.2 MB. Free memory was 119.2 MB in the beginning and 117.3 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 940.39 ms. Allocated memory is still 155.2 MB. Free memory was 117.2 MB in the beginning and 128.2 MB in the end (delta: -11.1 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4877.10 ms. Allocated memory was 155.2 MB in the beginning and 190.8 MB in the end (delta: 35.7 MB). Free memory was 127.7 MB in the beginning and 123.2 MB in the end (delta: 4.5 MB). Peak memory consumption was 101.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 8]: call to reach_error is unreachable For all program executions holds that call to reach_error is 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, 65 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.1s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211 SDtfs, 190 SDslu, 729 SDs, 0 SdLazy, 714 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=64occurred in iteration=2, 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, 22 LocationsWithAnnotation, 31 PreInvPairs, 34 NumberOfFragments, 261 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 553 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 34995 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...