/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 --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 --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 01:13:29,595 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 01:13:29,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 01:13:29,657 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 01:13:29,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 01:13:29,665 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 01:13:29,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 01:13:29,673 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 01:13:29,677 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 01:13:29,685 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 01:13:29,687 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 01:13:29,688 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 01:13:29,689 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 01:13:29,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 01:13:29,695 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 01:13:29,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 01:13:29,699 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 01:13:29,700 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 01:13:29,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 01:13:29,740 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 01:13:29,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 01:13:29,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 01:13:29,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 01:13:29,749 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 01:13:29,759 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 01:13:29,759 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 01:13:29,760 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 01:13:29,764 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 01:13:29,764 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 01:13:29,766 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 01:13:29,766 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 01:13:29,767 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 01:13:29,770 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 01:13:29,771 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 01:13:29,772 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 01:13:29,772 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 01:13:29,773 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 01:13:29,773 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 01:13:29,774 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 01:13:29,775 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 01:13:29,776 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 01:13:29,784 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 [2020-10-27 01:13:29,839 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 01:13:29,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 01:13:29,845 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 01:13:29,846 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 01:13:29,846 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 01:13:29,846 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 01:13:29,846 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 01:13:29,847 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 01:13:29,847 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 01:13:29,847 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 01:13:29,848 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 01:13:29,848 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 01:13:29,848 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 01:13:29,849 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 01:13:29,849 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 01:13:29,849 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 01:13:29,849 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 01:13:29,849 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 01:13:29,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 01:13:29,850 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 01:13:29,850 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 01:13:29,850 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 01:13:29,850 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 01:13:29,850 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 01:13:29,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 01:13:29,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 01:13:29,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 01:13:29,851 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 01:13:29,851 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 01:13:29,852 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-2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 01:13:30,292 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 01:13:30,322 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 01:13:30,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 01:13:30,328 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 01:13:30,328 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 01:13:30,330 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-27 01:13:30,417 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac8089ddd/40beda0542ef4b8c8e7b65109a0db0ab/FLAGc4fab0d15 [2020-10-27 01:13:31,196 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 01:13:31,197 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast.c_1.i [2020-10-27 01:13:31,207 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac8089ddd/40beda0542ef4b8c8e7b65109a0db0ab/FLAGc4fab0d15 [2020-10-27 01:13:31,504 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/ac8089ddd/40beda0542ef4b8c8e7b65109a0db0ab [2020-10-27 01:13:31,511 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 01:13:31,526 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 01:13:31,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 01:13:31,530 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 01:13:31,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 01:13:31,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14be2ca0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31, skipping insertion in model container [2020-10-27 01:13:31,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 01:13:31,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 01:13:31,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:13:31,771 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 01:13:31,799 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 01:13:31,822 INFO L208 MainTranslator]: Completed translation [2020-10-27 01:13:31,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31 WrapperNode [2020-10-27 01:13:31,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 01:13:31,825 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 01:13:31,825 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 01:13:31,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 01:13:31,842 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,842 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,868 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,871 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (1/1) ... [2020-10-27 01:13:31,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 01:13:31,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 01:13:31,879 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 01:13:31,879 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 01:13:31,880 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (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 [2020-10-27 01:13:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 01:13:31,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 01:13:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 01:13:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2020-10-27 01:13:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-27 01:13:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-27 01:13:31,967 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2020-10-27 01:13:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2020-10-27 01:13:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2020-10-27 01:13:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2020-10-27 01:13:31,968 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 01:13:31,969 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-10-27 01:13:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 01:13:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 01:13:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 01:13:31,969 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 01:13:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2020-10-27 01:13:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-10-27 01:13:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-27 01:13:31,970 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 01:13:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-10-27 01:13:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-27 01:13:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2020-10-27 01:13:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 01:13:31,971 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2020-10-27 01:13:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2020-10-27 01:13:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2020-10-27 01:13:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 01:13:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 01:13:31,972 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 01:13:31,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 01:13:32,579 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 01:13:32,580 INFO L298 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-27 01:13:32,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:13:32 BoogieIcfgContainer [2020-10-27 01:13:32,583 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 01:13:32,585 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 01:13:32,585 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 01:13:32,589 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 01:13:32,589 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 01:13:31" (1/3) ... [2020-10-27 01:13:32,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bdccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:13:32, skipping insertion in model container [2020-10-27 01:13:32,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:13:31" (2/3) ... [2020-10-27 01:13:32,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17bdccf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 01:13:32, skipping insertion in model container [2020-10-27 01:13:32,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:13:32" (3/3) ... [2020-10-27 01:13:32,593 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast.c_1.i [2020-10-27 01:13:32,607 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 01:13:32,613 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-27 01:13:32,628 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-27 01:13:32,659 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 01:13:32,659 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 01:13:32,660 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 01:13:32,660 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 01:13:32,660 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 01:13:32,660 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 01:13:32,661 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 01:13:32,661 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 01:13:32,683 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states. [2020-10-27 01:13:32,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-27 01:13:32,690 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:13:32,691 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:13:32,691 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:13:32,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:13:32,698 INFO L82 PathProgramCache]: Analyzing trace with hash -1697953369, now seen corresponding path program 1 times [2020-10-27 01:13:32,708 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:13:32,709 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [63019957] [2020-10-27 01:13:32,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:13:32,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:32,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:33,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:34,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-27 01:13:34,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:13:34,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1197 [2020-10-27 01:13:34,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-27 01:13:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 01:13:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-27 01:13:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 01:13:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:13:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:34,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:34,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:34,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:34,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-27 01:13:34,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:34,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 01:13:34,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:13:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 01:13:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:34,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:34,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 24 [2020-10-27 01:13:34,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 01:13:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-27 01:13:34,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 01:13:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-27 01:13:34,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-27 01:13:34,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:13:34,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:34,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 01:13:34,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:34,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-27 01:13:34,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:34,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:34,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-27 01:13:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:13:34,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:34,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:34,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:34,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:34,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:34,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:34,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:13:34,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:34,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:13:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 01:13:34,664 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [63019957] [2020-10-27 01:13:34,667 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:13:34,667 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 01:13:34,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707947688] [2020-10-27 01:13:34,673 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 01:13:34,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:13:34,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 01:13:34,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-27 01:13:34,692 INFO L87 Difference]: Start difference. First operand 68 states. Second operand 8 states. [2020-10-27 01:13:35,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:13:35,696 INFO L93 Difference]: Finished difference Result 104 states and 117 transitions. [2020-10-27 01:13:35,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-27 01:13:35,699 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2020-10-27 01:13:35,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:13:35,709 INFO L225 Difference]: With dead ends: 104 [2020-10-27 01:13:35,709 INFO L226 Difference]: Without dead ends: 65 [2020-10-27 01:13:35,713 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2020-10-27 01:13:35,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2020-10-27 01:13:35,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2020-10-27 01:13:35,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-27 01:13:35,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 67 transitions. [2020-10-27 01:13:35,782 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 67 transitions. Word has length 27 [2020-10-27 01:13:35,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:13:35,784 INFO L481 AbstractCegarLoop]: Abstraction has 65 states and 67 transitions. [2020-10-27 01:13:35,784 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 01:13:35,785 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 67 transitions. [2020-10-27 01:13:35,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 01:13:35,788 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 01:13:35,789 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 01:13:35,789 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 01:13:35,789 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 01:13:35,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 01:13:35,790 INFO L82 PathProgramCache]: Analyzing trace with hash -1899918933, now seen corresponding path program 1 times [2020-10-27 01:13:35,791 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 01:13:35,791 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290657274] [2020-10-27 01:13:35,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 01:13:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:35,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 94 [2020-10-27 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 214 [2020-10-27 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 65 [2020-10-27 01:13:36,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-27 01:13:36,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:13:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 01:13:36,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-10-27 01:13:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-27 01:13:36,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 82 [2020-10-27 01:13:36,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-27 01:13:36,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 01:13:36,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-27 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:13:36,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 01:13:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 01:13:36,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:13:36,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:13:36,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-27 01:13:36,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-27 01:13:36,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 01:13:36,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 01:13:36,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 01:13:36,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,480 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-27 01:13:36,481 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,481 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 01:13:36,481 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,481 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,482 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 01:13:36,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 01:13:36,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 01:13:36,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 01:13:36,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 01:13:36,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:13:36,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:13:36,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 01:13:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 01:13:36,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 01:13:36,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 01:13:36,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 01:13:36,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 01:13:36,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 01:13:36,532 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-27 01:13:36,534 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290657274] [2020-10-27 01:13:36,534 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 01:13:36,534 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 01:13:36,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1414242253] [2020-10-27 01:13:36,537 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 01:13:36,537 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 01:13:36,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 01:13:36,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-27 01:13:36,540 INFO L87 Difference]: Start difference. First operand 65 states and 67 transitions. Second operand 7 states. [2020-10-27 01:13:37,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 01:13:37,065 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-10-27 01:13:37,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 01:13:37,067 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-10-27 01:13:37,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 01:13:37,069 INFO L225 Difference]: With dead ends: 65 [2020-10-27 01:13:37,069 INFO L226 Difference]: Without dead ends: 0 [2020-10-27 01:13:37,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2020-10-27 01:13:37,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-27 01:13:37,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-27 01:13:37,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-27 01:13:37,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-27 01:13:37,072 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-10-27 01:13:37,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 01:13:37,073 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-27 01:13:37,073 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 01:13:37,073 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-27 01:13:37,073 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-27 01:13:37,073 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 01:13:37,076 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-27 01:13:37,343 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2020-10-27 01:13:37,452 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-27 01:13:37,565 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 3 [2020-10-27 01:13:37,794 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 32 [2020-10-27 01:13:38,010 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 10 [2020-10-27 01:13:38,198 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 3 [2020-10-27 01:13:38,328 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-27 01:13:38,328 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-27 01:13:38,328 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-27 01:13:38,328 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-27 01:13:38,329 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numEXIT(lines 56 58) no Hoare annotation was computed. [2020-10-27 01:13:38,329 INFO L274 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-10-27 01:13:38,329 INFO L270 CegarLoopResult]: At program point ibmphp_find_same_bus_numENTRY(lines 56 58) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:13:38,329 INFO L274 CegarLoopResult]: For program point ibmphp_find_same_bus_numFINAL(lines 56 58) no Hoare annotation was computed. [2020-10-27 01:13:38,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,329 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |old(#valid)| |#valid|) (= |old(#NULL.base)| |#NULL.base|) (= |#t~string5.base| |old(#t~string5.base)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-27 01:13:38,329 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,330 INFO L274 CegarLoopResult]: For program point L51-2(lines 50 53) no Hoare annotation was computed. [2020-10-27 01:13:38,330 INFO L274 CegarLoopResult]: For program point kfreeEXIT(lines 50 53) no Hoare annotation was computed. [2020-10-27 01:13:38,330 INFO L270 CegarLoopResult]: At program point kfreeENTRY(lines 50 53) the Hoare annotation is: (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) [2020-10-27 01:13:38,330 INFO L274 CegarLoopResult]: For program point L51(lines 51 52) no Hoare annotation was computed. [2020-10-27 01:13:38,330 INFO L270 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-27 01:13:38,330 INFO L274 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L274 CegarLoopResult]: For program point kzallocEXIT(line 48) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L270 CegarLoopResult]: At program point kzallocENTRY(line 48) the Hoare annotation is: (and (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |old(#valid)| |#valid|)) [2020-10-27 01:13:38,331 INFO L274 CegarLoopResult]: For program point kzallocFINAL(line 48) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L274 CegarLoopResult]: For program point __blast_assertEXIT(lines 6 9) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L274 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L274 CegarLoopResult]: For program point __blast_assertFINAL(lines 6 9) no Hoare annotation was computed. [2020-10-27 01:13:38,331 INFO L277 CegarLoopResult]: At program point __blast_assertENTRY(lines 6 9) the Hoare annotation is: true [2020-10-27 01:13:38,332 INFO L277 CegarLoopResult]: At program point ibmphp_init_devnoENTRY(lines 67 70) the Hoare annotation is: true [2020-10-27 01:13:38,332 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoFINAL(lines 67 70) no Hoare annotation was computed. [2020-10-27 01:13:38,332 INFO L274 CegarLoopResult]: For program point ibmphp_init_devnoEXIT(lines 67 70) no Hoare annotation was computed. [2020-10-27 01:13:38,332 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerEXIT(lines 72 133) no Hoare annotation was computed. [2020-10-27 01:13:38,332 INFO L270 CegarLoopResult]: At program point L128(lines 72 133) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,332 INFO L270 CegarLoopResult]: At program point L122(lines 72 133) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,333 INFO L270 CegarLoopResult]: At program point L120(line 120) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,333 INFO L274 CegarLoopResult]: For program point L87(lines 87 90) no Hoare annotation was computed. [2020-10-27 01:13:38,333 INFO L274 CegarLoopResult]: For program point L120-1(line 120) no Hoare annotation was computed. [2020-10-27 01:13:38,333 INFO L270 CegarLoopResult]: At program point L85(line 85) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,333 INFO L274 CegarLoopResult]: For program point L85-1(line 85) no Hoare annotation was computed. [2020-10-27 01:13:38,333 INFO L270 CegarLoopResult]: At program point L116(line 116) the Hoare annotation is: (or (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,334 INFO L274 CegarLoopResult]: For program point L116-1(line 116) no Hoare annotation was computed. [2020-10-27 01:13:38,334 INFO L274 CegarLoopResult]: For program point L79(lines 79 82) no Hoare annotation was computed. [2020-10-27 01:13:38,334 INFO L277 CegarLoopResult]: At program point L98(line 98) the Hoare annotation is: true [2020-10-27 01:13:38,334 INFO L274 CegarLoopResult]: For program point L98-1(line 98) no Hoare annotation was computed. [2020-10-27 01:13:38,334 INFO L270 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (= ~freed_tmp_slot~0 1) (<= 1 ~used_tmp_slot~0) (not (= |old(~freed_tmp_slot~0)| 1))) [2020-10-27 01:13:38,334 INFO L274 CegarLoopResult]: For program point L127-1(line 127) no Hoare annotation was computed. [2020-10-27 01:13:38,335 INFO L270 CegarLoopResult]: At program point ebda_rsrc_controllerENTRY(lines 72 133) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:13:38,335 INFO L274 CegarLoopResult]: For program point ebda_rsrc_controllerFINAL(lines 72 133) no Hoare annotation was computed. [2020-10-27 01:13:38,335 INFO L274 CegarLoopResult]: For program point L121(lines 121 122) no Hoare annotation was computed. [2020-10-27 01:13:38,335 INFO L274 CegarLoopResult]: For program point L117(lines 117 118) no Hoare annotation was computed. [2020-10-27 01:13:38,335 INFO L270 CegarLoopResult]: At program point L78(line 78) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:13:38,335 INFO L274 CegarLoopResult]: For program point L78-1(line 78) no Hoare annotation was computed. [2020-10-27 01:13:38,336 INFO L277 CegarLoopResult]: At program point L103(line 103) the Hoare annotation is: true [2020-10-27 01:13:38,336 INFO L274 CegarLoopResult]: For program point L103-1(line 103) no Hoare annotation was computed. [2020-10-27 01:13:38,336 INFO L274 CegarLoopResult]: For program point L99(lines 99 107) no Hoare annotation was computed. [2020-10-27 01:13:38,336 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,336 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (= ~freed_tmp_slot~0 1) [2020-10-27 01:13:38,336 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-27 01:13:38,336 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,337 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 135 139) the Hoare annotation is: (or (not (= |old(~freed_tmp_slot~0)| 1)) (and (= ~used_tmp_slot~0 |old(~used_tmp_slot~0)|) (= ~tmp_slot~0.offset |old(~tmp_slot~0.offset)|) (= |#memory_$Pointer$.offset| |old(#memory_$Pointer$.offset)|) (= ~tmp_slot~0.base |old(~tmp_slot~0.base)|) (= |old(~freed_tmp_slot~0)| ~freed_tmp_slot~0) (= |old(#length)| |#length|) (= |#memory_int| |old(#memory_int)|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) (= |old(#valid)| |#valid|))) [2020-10-27 01:13:38,337 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 135 139) no Hoare annotation was computed. [2020-10-27 01:13:38,337 INFO L274 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-10-27 01:13:38,337 INFO L274 CegarLoopResult]: For program point L137(lines 137 138) no Hoare annotation was computed. [2020-10-27 01:13:38,337 INFO L274 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-10-27 01:13:38,337 INFO L270 CegarLoopResult]: At program point L138-2(line 138) the Hoare annotation is: (not (= |old(~freed_tmp_slot~0)| 1)) [2020-10-27 01:13:38,338 INFO L274 CegarLoopResult]: For program point L137-1(lines 135 139) no Hoare annotation was computed. [2020-10-27 01:13:38,338 INFO L277 CegarLoopResult]: At program point fillslotinfoENTRY(lines 62 65) the Hoare annotation is: true [2020-10-27 01:13:38,338 INFO L274 CegarLoopResult]: For program point fillslotinfoEXIT(lines 62 65) no Hoare annotation was computed. [2020-10-27 01:13:38,338 INFO L274 CegarLoopResult]: For program point fillslotinfoFINAL(lines 62 65) no Hoare annotation was computed. [2020-10-27 01:13:38,338 INFO L270 CegarLoopResult]: At program point #Ultimate.meminitENTRY(line -1) the Hoare annotation is: (= |#memory_int| |old(#memory_int)|) [2020-10-27 01:13:38,338 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitEXIT(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,338 INFO L274 CegarLoopResult]: For program point #Ultimate.meminitFINAL(line -1) no Hoare annotation was computed. [2020-10-27 01:13:38,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 01:13:38 BoogieIcfgContainer [2020-10-27 01:13:38,359 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 01:13:38,361 INFO L168 Benchmark]: Toolchain (without parser) took 6842.33 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 126.2 MB in the beginning and 135.5 MB in the end (delta: -9.4 MB). Peak memory consumption was 102.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:13:38,362 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 01:13:38,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.33 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 114.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2020-10-27 01:13:38,364 INFO L168 Benchmark]: Boogie Preprocessor took 52.95 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 112.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-10-27 01:13:38,364 INFO L168 Benchmark]: RCFGBuilder took 704.50 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 123.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. [2020-10-27 01:13:38,366 INFO L168 Benchmark]: TraceAbstraction took 5773.86 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 122.5 MB in the beginning and 135.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 97.6 MB. Max. memory is 8.0 GB. [2020-10-27 01:13:38,369 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 151.0 MB. Free memory is still 123.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 294.33 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 114.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 52.95 ms. Allocated memory is still 151.0 MB. Free memory was 114.9 MB in the beginning and 112.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 704.50 ms. Allocated memory is still 151.0 MB. Free memory was 112.9 MB in the beginning and 123.0 MB in the end (delta: -10.0 MB). Peak memory consumption was 15.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 5773.86 ms. Allocated memory was 151.0 MB in the beginning and 187.7 MB in the end (delta: 36.7 MB). Free memory was 122.5 MB in the beginning and 135.5 MB in the end (delta: -13.1 MB). Peak memory consumption was 97.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 || 1 <= used_tmp_slot) || !(\old(freed_tmp_slot) == 1) - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: (freed_tmp_slot == 1 || 1 <= used_tmp_slot) || !(\old(freed_tmp_slot) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 68 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.4s, OverallIterations: 2, TraceHistogramMax: 3, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 116 SDtfs, 104 SDslu, 142 SDs, 0 SdLazy, 218 SolverSat, 106 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 24 LocationsWithAnnotation, 33 PreInvPairs, 36 NumberOfFragments, 242 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 24 FomulaSimplificationsInter, 650 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 89 ConstructedInterpolants, 0 QuantifiedInterpolants, 16278 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 24/24 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...