/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:36:54,934 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:36:54,938 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:36:54,976 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:36:54,977 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:36:54,985 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:36:54,987 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:36:54,990 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:36:54,993 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:36:54,996 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:36:54,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:36:54,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:36:54,998 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:36:55,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:36:55,002 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:36:55,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:36:55,005 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:36:55,006 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:36:55,007 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:36:55,017 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:36:55,019 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:36:55,020 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:36:55,021 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:36:55,021 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:36:55,033 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:36:55,033 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:36:55,033 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:36:55,034 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:36:55,040 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:36:55,041 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-08-22 00:36:55,052 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:36:55,053 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:36:55,054 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:36:55,054 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-22 00:36:55,091 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:36:55,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:36:55,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:36:55,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:36:55,093 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:36:55,093 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:36:55,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:36:55,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:36:55,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:36:55,094 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:36:55,094 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:36:55,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:36:55,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:36:55,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:36:55,095 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:36:55,095 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:36:55,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:36:55,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:36:55,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:36:55,096 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:36:55,096 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:36:55,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:36:55,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:36:55,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:36:55,097 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:36:55,097 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:36:55,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:36:55,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:36:55,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:36:55,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:36:55,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:36:55,427 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:36:55,431 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:36:55,432 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:36:55,433 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:36:55,434 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-08-22 00:36:55,511 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc68992b8/4b6f253199eb4528ab2310499312db21/FLAG5ba26ff14 [2020-08-22 00:36:55,960 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:36:55,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.i [2020-08-22 00:36:55,966 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc68992b8/4b6f253199eb4528ab2310499312db21/FLAG5ba26ff14 [2020-08-22 00:36:56,345 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/bc68992b8/4b6f253199eb4528ab2310499312db21 [2020-08-22 00:36:56,355 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:36:56,357 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:36:56,358 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:36:56,358 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:36:56,362 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:36:56,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c2caf49 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56, skipping insertion in model container [2020-08-22 00:36:56,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:36:56,403 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:36:56,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:36:56,617 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:36:56,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:36:56,742 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:36:56,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56 WrapperNode [2020-08-22 00:36:56,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:36:56,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:36:56,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:36:56,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:36:56,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,782 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,784 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... [2020-08-22 00:36:56,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:36:56,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:36:56,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:36:56,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:36:56,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:36:56,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:36:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:36:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-08-22 00:36:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-08-22 00:36:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-08-22 00:36:56,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-08-22 00:36:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-08-22 00:36:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-08-22 00:36:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-08-22 00:36:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:36:56,850 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-08-22 00:36:56,850 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:36:56,850 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-08-22 00:36:56,851 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:36:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-08-22 00:36:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-08-22 00:36:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-08-22 00:36:56,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 00:36:56,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 00:36:56,854 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 00:36:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:36:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:36:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:36:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 00:36:56,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 00:36:57,247 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:36:57,247 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 00:36:57,252 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:36:57 BoogieIcfgContainer [2020-08-22 00:36:57,252 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:36:57,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:36:57,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:36:57,257 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:36:57,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:36:56" (1/3) ... [2020-08-22 00:36:57,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3859e843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:36:57, skipping insertion in model container [2020-08-22 00:36:57,258 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:36:56" (2/3) ... [2020-08-22 00:36:57,258 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3859e843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:36:57, skipping insertion in model container [2020-08-22 00:36:57,259 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:36:57" (3/3) ... [2020-08-22 00:36:57,260 INFO L109 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.i [2020-08-22 00:36:57,271 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:36:57,279 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:36:57,293 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:36:57,314 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:36:57,314 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:36:57,315 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:36:57,315 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:36:57,315 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:36:57,315 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:36:57,315 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:36:57,315 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:36:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states. [2020-08-22 00:36:57,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 00:36:57,343 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:36:57,344 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] [2020-08-22 00:36:57,345 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:36:57,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:36:57,351 INFO L82 PathProgramCache]: Analyzing trace with hash -2144903796, now seen corresponding path program 1 times [2020-08-22 00:36:57,358 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:36:57,358 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329748600] [2020-08-22 00:36:57,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:36:57,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:57,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:36:57,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:36:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:57,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:57,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:57,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:57,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:36:57,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329748600] [2020-08-22 00:36:57,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:36:57,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 00:36:57,932 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314835541] [2020-08-22 00:36:57,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:36:57,938 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:36:57,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:36:57,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:36:57,956 INFO L87 Difference]: Start difference. First operand 62 states. Second operand 10 states. [2020-08-22 00:36:58,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:36:58,396 INFO L93 Difference]: Finished difference Result 77 states and 88 transitions. [2020-08-22 00:36:58,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 00:36:58,398 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 26 [2020-08-22 00:36:58,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:36:58,410 INFO L225 Difference]: With dead ends: 77 [2020-08-22 00:36:58,410 INFO L226 Difference]: Without dead ends: 58 [2020-08-22 00:36:58,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2020-08-22 00:36:58,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-08-22 00:36:58,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2020-08-22 00:36:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-08-22 00:36:58,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions. [2020-08-22 00:36:58,470 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 26 [2020-08-22 00:36:58,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:36:58,472 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions. [2020-08-22 00:36:58,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:36:58,473 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions. [2020-08-22 00:36:58,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-08-22 00:36:58,475 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:36:58,475 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] [2020-08-22 00:36:58,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:36:58,476 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:36:58,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:36:58,477 INFO L82 PathProgramCache]: Analyzing trace with hash -1765959499, now seen corresponding path program 1 times [2020-08-22 00:36:58,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:36:58,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1291576091] [2020-08-22 00:36:58,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:36:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:36:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:36:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:36:58,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:58,764 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-22 00:36:58,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1291576091] [2020-08-22 00:36:58,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:36:58,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-22 00:36:58,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620890054] [2020-08-22 00:36:58,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:36:58,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:36:58,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:36:58,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:36:58,768 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand 10 states. [2020-08-22 00:36:59,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:36:59,284 INFO L93 Difference]: Finished difference Result 75 states and 79 transitions. [2020-08-22 00:36:59,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 00:36:59,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 37 [2020-08-22 00:36:59,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:36:59,288 INFO L225 Difference]: With dead ends: 75 [2020-08-22 00:36:59,288 INFO L226 Difference]: Without dead ends: 66 [2020-08-22 00:36:59,289 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2020-08-22 00:36:59,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-22 00:36:59,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-08-22 00:36:59,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-08-22 00:36:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 68 transitions. [2020-08-22 00:36:59,306 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 68 transitions. Word has length 37 [2020-08-22 00:36:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:36:59,306 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 68 transitions. [2020-08-22 00:36:59,307 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:36:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 68 transitions. [2020-08-22 00:36:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-22 00:36:59,310 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:36:59,311 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] [2020-08-22 00:36:59,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:36:59,312 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:36:59,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:36:59,313 INFO L82 PathProgramCache]: Analyzing trace with hash 856880965, now seen corresponding path program 1 times [2020-08-22 00:36:59,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:36:59,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822849389] [2020-08-22 00:36:59,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:36:59,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:36:59,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:36:59,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:59,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:36:59,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:36:59,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:36:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:36:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 00:36:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:36:59,726 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 00:36:59,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822849389] [2020-08-22 00:36:59,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:36:59,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-08-22 00:36:59,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959999246] [2020-08-22 00:36:59,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-22 00:36:59,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:36:59,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-22 00:36:59,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2020-08-22 00:36:59,731 INFO L87 Difference]: Start difference. First operand 64 states and 68 transitions. Second operand 13 states. [2020-08-22 00:37:00,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:37:00,103 INFO L93 Difference]: Finished difference Result 82 states and 86 transitions. [2020-08-22 00:37:00,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 00:37:00,104 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 59 [2020-08-22 00:37:00,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:37:00,106 INFO L225 Difference]: With dead ends: 82 [2020-08-22 00:37:00,106 INFO L226 Difference]: Without dead ends: 66 [2020-08-22 00:37:00,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-08-22 00:37:00,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-22 00:37:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2020-08-22 00:37:00,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-08-22 00:37:00,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 67 transitions. [2020-08-22 00:37:00,119 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 67 transitions. Word has length 59 [2020-08-22 00:37:00,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:37:00,120 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 67 transitions. [2020-08-22 00:37:00,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-22 00:37:00,120 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 67 transitions. [2020-08-22 00:37:00,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-22 00:37:00,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:37:00,122 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] [2020-08-22 00:37:00,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:37:00,123 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:37:00,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:37:00,123 INFO L82 PathProgramCache]: Analyzing trace with hash 1472800201, now seen corresponding path program 1 times [2020-08-22 00:37:00,123 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:37:00,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [130371215] [2020-08-22 00:37:00,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:37:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:37:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:37:00,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:37:00,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:37:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 00:37:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:37:00,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:37:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:37:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-22 00:37:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 00:37:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 00:37:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:37:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-08-22 00:37:00,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [130371215] [2020-08-22 00:37:00,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:37:00,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-22 00:37:00,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790264949] [2020-08-22 00:37:00,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:37:00,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:37:00,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:37:00,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:37:00,320 INFO L87 Difference]: Start difference. First operand 64 states and 67 transitions. Second operand 7 states. [2020-08-22 00:37:00,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:37:00,571 INFO L93 Difference]: Finished difference Result 66 states and 69 transitions. [2020-08-22 00:37:00,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:37:00,571 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 63 [2020-08-22 00:37:00,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:37:00,572 INFO L225 Difference]: With dead ends: 66 [2020-08-22 00:37:00,572 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 00:37:00,573 INFO L675 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 [2020-08-22 00:37:00,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 00:37:00,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 00:37:00,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 00:37:00,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 00:37:00,574 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-22 00:37:00,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:37:00,575 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 00:37:00,575 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:37:00,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 00:37:00,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 00:37:00,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:37:00,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 00:37:01,004 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 54 56) no Hoare annotation was computed. [2020-08-22 00:37:01,005 INFO L268 CegarLoopResult]: For program point L55(line 55) no Hoare annotation was computed. [2020-08-22 00:37:01,005 INFO L264 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 54 56) the Hoare annotation is: (or (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) (= ~tmp_slot~0.base 0)) [2020-08-22 00:37:01,005 INFO L268 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 54 56) no Hoare annotation was computed. [2020-08-22 00:37:01,005 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,006 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |old(#NULL.base)| |#NULL.base|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2020-08-22 00:37:01,006 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,006 INFO L268 CegarLoopResult]: For program point L49(lines 49 50) no Hoare annotation was computed. [2020-08-22 00:37:01,006 INFO L268 CegarLoopResult]: For program point kfreeEXIT(lines 48 51) no Hoare annotation was computed. [2020-08-22 00:37:01,006 INFO L268 CegarLoopResult]: For program point L49-2(lines 48 51) no Hoare annotation was computed. [2020-08-22 00:37:01,007 INFO L264 CegarLoopResult]: At program point kfreeENTRY(lines 48 51) the Hoare annotation is: (or (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (not (= ~used_tmp_slot~0 1)) (= ~tmp_slot~0.base 0)) [2020-08-22 00:37:01,007 INFO L264 CegarLoopResult]: At program point L46(line 46) the Hoare annotation is: (and (= |#memory_int| |old(#memory_int)|) (or (<= (+ |kzalloc_#t~malloc0.base| 1) 0) (< 0 |kzalloc_#t~malloc0.base|))) [2020-08-22 00:37:01,007 INFO L268 CegarLoopResult]: For program point L46-1(line 46) no Hoare annotation was computed. [2020-08-22 00:37:01,007 INFO L268 CegarLoopResult]: For program point kzallocEXIT(line 46) no Hoare annotation was computed. [2020-08-22 00:37:01,007 INFO L264 CegarLoopResult]: At program point kzallocENTRY(line 46) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-08-22 00:37:01,007 INFO L268 CegarLoopResult]: For program point kzallocFINAL(line 46) no Hoare annotation was computed. [2020-08-22 00:37:01,008 INFO L268 CegarLoopResult]: For program point __blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2020-08-22 00:37:01,008 INFO L268 CegarLoopResult]: For program point __blast_assertEXIT(lines 4 7) no Hoare annotation was computed. [2020-08-22 00:37:01,008 INFO L268 CegarLoopResult]: For program point __blast_assertFINAL(lines 4 7) no Hoare annotation was computed. [2020-08-22 00:37:01,008 INFO L271 CegarLoopResult]: At program point __blast_assertENTRY(lines 4 7) the Hoare annotation is: true [2020-08-22 00:37:01,008 INFO L271 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 65 68) the Hoare annotation is: true [2020-08-22 00:37:01,008 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 65 68) no Hoare annotation was computed. [2020-08-22 00:37:01,008 INFO L268 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 65 68) no Hoare annotation was computed. [2020-08-22 00:37:01,009 INFO L268 CegarLoopResult]: For program point L97(lines 97 105) no Hoare annotation was computed. [2020-08-22 00:37:01,009 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 70 131) no Hoare annotation was computed. [2020-08-22 00:37:01,009 INFO L264 CegarLoopResult]: At program point L126(lines 70 131) 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)) [2020-08-22 00:37:01,009 INFO L264 CegarLoopResult]: At program point L120(lines 70 131) 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)) [2020-08-22 00:37:01,009 INFO L264 CegarLoopResult]: At program point L118(line 118) 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)) [2020-08-22 00:37:01,009 INFO L268 CegarLoopResult]: For program point L85(lines 85 88) no Hoare annotation was computed. [2020-08-22 00:37:01,010 INFO L268 CegarLoopResult]: For program point L118-1(line 118) no Hoare annotation was computed. [2020-08-22 00:37:01,010 INFO L264 CegarLoopResult]: At program point L83(line 83) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (= ~freed_tmp_slot~0 |old(~freed_tmp_slot~0)|)) [2020-08-22 00:37:01,010 INFO L268 CegarLoopResult]: For program point L83-1(line 83) no Hoare annotation was computed. [2020-08-22 00:37:01,010 INFO L264 CegarLoopResult]: At program point L114(line 114) 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)) [2020-08-22 00:37:01,010 INFO L268 CegarLoopResult]: For program point L114-1(line 114) no Hoare annotation was computed. [2020-08-22 00:37:01,010 INFO L268 CegarLoopResult]: For program point L77(lines 77 80) no Hoare annotation was computed. [2020-08-22 00:37:01,011 INFO L264 CegarLoopResult]: At program point L96(line 96) the Hoare annotation is: (and (not (= ebda_rsrc_controller_~hp_slot_ptr~0.base 0)) (not (= ~tmp_slot~0.base 0))) [2020-08-22 00:37:01,011 INFO L268 CegarLoopResult]: For program point L96-1(line 96) no Hoare annotation was computed. [2020-08-22 00:37:01,011 INFO L264 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 70 131) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.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|)) [2020-08-22 00:37:01,011 INFO L264 CegarLoopResult]: At program point L125(line 125) 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)) [2020-08-22 00:37:01,011 INFO L268 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 70 131) no Hoare annotation was computed. [2020-08-22 00:37:01,011 INFO L268 CegarLoopResult]: For program point L125-1(line 125) no Hoare annotation was computed. [2020-08-22 00:37:01,011 INFO L268 CegarLoopResult]: For program point L119(lines 119 120) no Hoare annotation was computed. [2020-08-22 00:37:01,012 INFO L268 CegarLoopResult]: For program point L115(lines 115 116) no Hoare annotation was computed. [2020-08-22 00:37:01,012 INFO L264 CegarLoopResult]: At program point L76(line 76) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.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|)) [2020-08-22 00:37:01,012 INFO L268 CegarLoopResult]: For program point L76-1(line 76) no Hoare annotation was computed. [2020-08-22 00:37:01,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,012 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true [2020-08-22 00:37:01,012 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 00:37:01,012 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,013 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 133 137) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.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|)) [2020-08-22 00:37:01,013 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 133 137) no Hoare annotation was computed. [2020-08-22 00:37:01,013 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-22 00:37:01,013 INFO L268 CegarLoopResult]: For program point L135(lines 135 136) no Hoare annotation was computed. [2020-08-22 00:37:01,013 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-22 00:37:01,013 INFO L264 CegarLoopResult]: At program point L136-2(line 136) the Hoare annotation is: false [2020-08-22 00:37:01,013 INFO L268 CegarLoopResult]: For program point L135-1(lines 133 137) no Hoare annotation was computed. [2020-08-22 00:37:01,014 INFO L271 CegarLoopResult]: At program point fillslotinfoENTRY(lines 60 63) the Hoare annotation is: true [2020-08-22 00:37:01,014 INFO L268 CegarLoopResult]: For program point fillslotinfoEXIT(lines 60 63) no Hoare annotation was computed. [2020-08-22 00:37:01,014 INFO L268 CegarLoopResult]: For program point fillslotinfoFINAL(lines 60 63) no Hoare annotation was computed. [2020-08-22 00:37:01,014 INFO L264 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-08-22 00:37:01,014 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,014 INFO L268 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-08-22 00:37:01,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 12:37:01 BoogieIcfgContainer [2020-08-22 00:37:01,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 00:37:01,044 INFO L168 Benchmark]: Toolchain (without parser) took 4686.38 ms. Allocated memory was 138.9 MB in the beginning and 249.6 MB in the end (delta: 110.6 MB). Free memory was 101.4 MB in the beginning and 100.3 MB in the end (delta: 1.1 MB). Peak memory consumption was 111.8 MB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,046 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,047 INFO L168 Benchmark]: CACSL2BoogieTranslator took 386.56 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 101.4 MB in the beginning and 179.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,052 INFO L168 Benchmark]: Boogie Preprocessor took 42.32 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 176.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,053 INFO L168 Benchmark]: RCFGBuilder took 464.75 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 153.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,054 INFO L168 Benchmark]: TraceAbstraction took 3787.68 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 153.2 MB in the beginning and 100.3 MB in the end (delta: 52.9 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. [2020-08-22 00:37:01,066 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.9 MB. Free memory was 120.5 MB in the beginning and 120.1 MB in the end (delta: 419.7 kB). Peak memory consumption was 419.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 386.56 ms. Allocated memory was 138.9 MB in the beginning and 200.8 MB in the end (delta: 61.9 MB). Free memory was 101.4 MB in the beginning and 179.2 MB in the end (delta: -77.8 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 42.32 ms. Allocated memory is still 200.8 MB. Free memory was 179.2 MB in the beginning and 176.9 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 464.75 ms. Allocated memory is still 200.8 MB. Free memory was 176.9 MB in the beginning and 153.2 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3787.68 ms. Allocated memory was 200.8 MB in the beginning and 249.6 MB in the end (delta: 48.8 MB). Free memory was 153.2 MB in the beginning and 100.3 MB in the end (delta: 52.9 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 6]: 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: 70]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: (!(hp_slot_ptr == 0) && !(tmp_slot == 0)) && used_tmp_slot == 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 62 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.2s, OverallIterations: 4, TraceHistogramMax: 3, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 211 SDtfs, 190 SDslu, 729 SDs, 0 SdLazy, 714 SolverSat, 154 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.9s 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, 240 HoareAnnotationTreeSize, 31 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 22 FomulaSimplificationsInter, 358 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 181 ConstructedInterpolants, 0 QuantifiedInterpolants, 31194 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...