/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 18:05:54,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 18:05:54,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 18:05:54,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 18:05:54,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 18:05:54,631 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 18:05:54,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 18:05:54,636 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 18:05:54,639 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 18:05:54,640 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 18:05:54,641 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 18:05:54,643 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 18:05:54,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 18:05:54,645 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 18:05:54,646 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 18:05:54,648 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 18:05:54,649 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 18:05:54,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 18:05:54,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 18:05:54,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 18:05:54,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 18:05:54,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 18:05:54,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 18:05:54,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 18:05:54,688 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 18:05:54,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 18:05:54,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 18:05:54,690 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 18:05:54,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 18:05:54,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 18:05:54,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 18:05:54,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 18:05:54,694 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 18:05:54,695 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 18:05:54,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 18:05:54,697 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 18:05:54,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 18:05:54,698 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 18:05:54,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 18:05:54,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 18:05:54,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 18:05:54,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 18:05:54,714 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 18:05:54,715 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 18:05:54,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 18:05:54,717 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 18:05:54,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 18:05:54,718 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 18:05:54,718 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 18:05:54,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 18:05:54,719 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 18:05:54,719 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 18:05:54,719 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 18:05:54,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 18:05:54,720 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 18:05:54,720 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 18:05:54,720 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 18:05:54,721 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 18:05:54,721 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 18:05:54,721 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 18:05:54,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:05:54,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 18:05:54,722 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 18:05:54,723 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 18:05:54,723 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 18:05:55,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 18:05:55,194 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 18:05:55,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 18:05:55,199 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 18:05:55,200 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 18:05:55,201 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2021-02-23 18:05:55,300 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed0537f4/00c9a3bde374444a8bf248d39fd0d2a9/FLAG2080c2136 [2021-02-23 18:05:56,040 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 18:05:56,041 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i [2021-02-23 18:05:56,050 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed0537f4/00c9a3bde374444a8bf248d39fd0d2a9/FLAG2080c2136 [2021-02-23 18:05:56,377 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ed0537f4/00c9a3bde374444a8bf248d39fd0d2a9 [2021-02-23 18:05:56,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 18:05:56,396 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 18:05:56,404 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 18:05:56,404 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 18:05:56,408 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 18:05:56,409 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,411 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b0cb8c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56, skipping insertion in model container [2021-02-23 18:05:56,411 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,420 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 18:05:56,451 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 18:05:56,638 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-02-23 18:05:56,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:05:56,700 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 18:05:56,728 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/rule57_ebda_blast_2.i[341,354] [2021-02-23 18:05:56,759 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 18:05:56,795 INFO L208 MainTranslator]: Completed translation [2021-02-23 18:05:56,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56 WrapperNode [2021-02-23 18:05:56,796 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 18:05:56,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 18:05:56,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 18:05:56,798 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 18:05:56,814 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,842 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,875 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,890 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... [2021-02-23 18:05:56,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 18:05:56,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 18:05:56,897 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 18:05:56,897 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 18:05:56,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 18:05:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 18:05:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 18:05:57,013 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __blast_assert [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_find_same_bus_num [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure fillslotinfo [2021-02-23 18:05:57,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ibmphp_init_devno [2021-02-23 18:05:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ebda_rsrc_controller [2021-02-23 18:05:57,016 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 18:05:57,019 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-02-23 18:05:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 18:05:57,019 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 18:05:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 18:05:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 18:05:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 18:05:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure __blast_assert [2021-02-23 18:05:57,020 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_find_same_bus_num [2021-02-23 18:05:57,021 INFO L130 BoogieDeclarations]: Found specification of procedure fillslotinfo [2021-02-23 18:05:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ibmphp_init_devno [2021-02-23 18:05:57,022 INFO L130 BoogieDeclarations]: Found specification of procedure ebda_rsrc_controller [2021-02-23 18:05:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 18:05:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 18:05:57,023 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 18:05:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 18:05:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 18:05:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 18:05:57,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 18:05:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 18:05:57,025 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 18:05:57,737 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 18:05:57,737 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-23 18:05:57,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:57 BoogieIcfgContainer [2021-02-23 18:05:57,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 18:05:57,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 18:05:57,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 18:05:57,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 18:05:57,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 06:05:56" (1/3) ... [2021-02-23 18:05:57,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10edb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:57, skipping insertion in model container [2021-02-23 18:05:57,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 06:05:56" (2/3) ... [2021-02-23 18:05:57,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10edb84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 06:05:57, skipping insertion in model container [2021-02-23 18:05:57,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 06:05:57" (3/3) ... [2021-02-23 18:05:57,749 INFO L111 eAbstractionObserver]: Analyzing ICFG rule57_ebda_blast_2.i [2021-02-23 18:05:57,756 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 18:05:57,762 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 18:05:57,781 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 18:05:57,805 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 18:05:57,806 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 18:05:57,806 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 18:05:57,806 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 18:05:57,806 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 18:05:57,806 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 18:05:57,806 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 18:05:57,807 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 18:05:57,825 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states. [2021-02-23 18:05:57,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2021-02-23 18:05:57,836 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:05:57,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:05:57,837 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:05:57,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:05:57,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1636215635, now seen corresponding path program 1 times [2021-02-23 18:05:57,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:05:57,854 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [157685716] [2021-02-23 18:05:57,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:05:57,943 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:05:58,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:58,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,269 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-02-23 18:05:58,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:05:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:58,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:05:58,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:58,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:05:58,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:05:58,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 18:05:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:58,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,483 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 18:05:58,485 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 18:05:58,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,525 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 18:05:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 18:05:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:58,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:58,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:58,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 18:05:58,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [157685716] [2021-02-23 18:05:58,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:05:58,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 18:05:58,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517951409] [2021-02-23 18:05:58,668 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 18:05:58,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:05:58,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 18:05:58,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 18:05:58,694 INFO L87 Difference]: Start difference. First operand 112 states. Second operand 10 states. [2021-02-23 18:05:58,853 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-02-23 18:05:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:05:59,771 INFO L93 Difference]: Finished difference Result 130 states and 142 transitions. [2021-02-23 18:05:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-02-23 18:05:59,773 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 43 [2021-02-23 18:05:59,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:05:59,790 INFO L225 Difference]: With dead ends: 130 [2021-02-23 18:05:59,790 INFO L226 Difference]: Without dead ends: 108 [2021-02-23 18:05:59,794 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-02-23 18:05:59,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2021-02-23 18:05:59,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2021-02-23 18:05:59,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-02-23 18:05:59,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2021-02-23 18:05:59,860 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 43 [2021-02-23 18:05:59,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:05:59,862 INFO L480 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2021-02-23 18:05:59,862 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 18:05:59,862 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2021-02-23 18:05:59,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2021-02-23 18:05:59,865 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:05:59,866 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:05:59,866 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 18:05:59,866 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:05:59,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:05:59,867 INFO L82 PathProgramCache]: Analyzing trace with hash 234532648, now seen corresponding path program 1 times [2021-02-23 18:05:59,867 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:05:59,868 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1052598105] [2021-02-23 18:05:59,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:05:59,871 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:05:59,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:05:59,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:05:59,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:05:59,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 18:06:00,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-02-23 18:06:00,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:06:00,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 18:06:00,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 18:06:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 18:06:00,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-02-23 18:06:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,252 WARN L141 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size [2021-02-23 18:06:00,253 WARN L147 QuantifierPusher]: treesize reduction 1, result has 90.0 percent of original size 9 [2021-02-23 18:06:00,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 18:06:00,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 18:06:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 18:06:00,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 18:06:00,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 18:06:00,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-02-23 18:06:00,323 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1052598105] [2021-02-23 18:06:00,324 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 18:06:00,324 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 18:06:00,324 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474624590] [2021-02-23 18:06:00,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 18:06:00,325 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 18:06:00,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 18:06:00,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-02-23 18:06:00,327 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand 10 states. [2021-02-23 18:06:01,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 18:06:01,553 INFO L93 Difference]: Finished difference Result 128 states and 133 transitions. [2021-02-23 18:06:01,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 18:06:01,554 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2021-02-23 18:06:01,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 18:06:01,557 INFO L225 Difference]: With dead ends: 128 [2021-02-23 18:06:01,557 INFO L226 Difference]: Without dead ends: 117 [2021-02-23 18:06:01,559 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=75, Invalid=305, Unknown=0, NotChecked=0, Total=380 [2021-02-23 18:06:01,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2021-02-23 18:06:01,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 113. [2021-02-23 18:06:01,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2021-02-23 18:06:01,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 118 transitions. [2021-02-23 18:06:01,590 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 118 transitions. Word has length 58 [2021-02-23 18:06:01,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 18:06:01,590 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 118 transitions. [2021-02-23 18:06:01,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 18:06:01,591 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 118 transitions. [2021-02-23 18:06:01,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2021-02-23 18:06:01,594 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 18:06:01,594 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 18:06:01,594 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 18:06:01,594 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__blast_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 18:06:01,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 18:06:01,595 INFO L82 PathProgramCache]: Analyzing trace with hash 2070130097, now seen corresponding path program 1 times [2021-02-23 18:06:01,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 18:06:01,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816065162] [2021-02-23 18:06:01,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 18:06:01,598 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 18:06:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:06:01,653 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:06:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-23 18:06:01,704 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-23 18:06:01,767 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-23 18:06:01,767 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-23 18:06:01,768 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 18:06:01,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.02 06:06:01 BoogieIcfgContainer [2021-02-23 18:06:01,796 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-23 18:06:01,803 INFO L168 Benchmark]: Toolchain (without parser) took 5414.23 ms. Allocated memory was 154.1 MB in the beginning and 210.8 MB in the end (delta: 56.6 MB). Free memory was 130.4 MB in the beginning and 136.6 MB in the end (delta: -6.2 MB). Peak memory consumption was 51.4 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:01,804 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 128.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-23 18:06:01,805 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.77 ms. Allocated memory is still 154.1 MB. Free memory was 129.3 MB in the beginning and 118.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:01,807 INFO L168 Benchmark]: Boogie Preprocessor took 98.34 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 116.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:01,810 INFO L168 Benchmark]: RCFGBuilder took 842.76 ms. Allocated memory is still 154.1 MB. Free memory was 116.6 MB in the beginning and 121.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:01,814 INFO L168 Benchmark]: TraceAbstraction took 4055.25 ms. Allocated memory was 154.1 MB in the beginning and 210.8 MB in the end (delta: 56.6 MB). Free memory was 120.9 MB in the beginning and 136.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 42.0 MB. Max. memory is 8.0 GB. [2021-02-23 18:06:01,821 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 154.1 MB. Free memory is still 128.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 392.77 ms. Allocated memory is still 154.1 MB. Free memory was 129.3 MB in the beginning and 118.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.34 ms. Allocated memory is still 154.1 MB. Free memory was 118.5 MB in the beginning and 116.6 MB in the end (delta: 1.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 842.76 ms. Allocated memory is still 154.1 MB. Free memory was 116.6 MB in the beginning and 121.4 MB in the end (delta: -4.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 4055.25 ms. Allocated memory was 154.1 MB in the beginning and 210.8 MB in the end (delta: 56.6 MB). Free memory was 120.9 MB in the beginning and 136.6 MB in the end (delta: -15.7 MB). Peak memory consumption was 42.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 9]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L42] struct slot *tmp_slot; [L43] int used_tmp_slot = 0; [L44] int freed_tmp_slot = 1; [L138] CALL ebda_rsrc_controller() [L75] struct hotplug_slot *hp_slot_ptr; [L77] struct bus_info *bus_info_ptr1; [L78] int rc; [L80] CALL, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) [L49] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L80] RET, EXPR kzalloc(sizeof(*hp_slot_ptr), 1) [L80] hp_slot_ptr = kzalloc(sizeof(*hp_slot_ptr), 1) [L81] COND FALSE !(!hp_slot_ptr) [L85] hp_slot_ptr->b = 5 [L87] CALL, EXPR kzalloc(sizeof(*tmp_slot), 1) [L49] EXPR, FCALL calloc(1, size) [L49] return calloc(1, size); [L87] RET, EXPR kzalloc(sizeof(*tmp_slot), 1) [L87] tmp_slot = kzalloc(sizeof(*tmp_slot), 1) [L89] COND FALSE !(!tmp_slot) [L94] used_tmp_slot = 0 [L95] freed_tmp_slot = 0 [L97] tmp_slot->a = 2 [L98] tmp_slot->b = 3 [L100] CALL, EXPR ibmphp_find_same_bus_num() [L58] COND TRUE __VERIFIER_nondet_int() [L59] return 0; [L100] RET, EXPR ibmphp_find_same_bus_num() [L100] bus_info_ptr1 = ibmphp_find_same_bus_num() [L101] COND TRUE !bus_info_ptr1 [L102] rc = -3 [L129] EXPR hp_slot_ptr->private [L129] CALL kfree(hp_slot_ptr->private) [L52] COND FALSE !(p!=0 && p==tmp_slot) [L129] RET kfree(hp_slot_ptr->private) [L134] return rc; [L138] RET ebda_rsrc_controller() [L139] COND TRUE !used_tmp_slot [L140] (freed_tmp_slot) ? (0) : __blast_assert () [L140] CALL __blast_assert () [L9] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 12 procedures, 115 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 196 SDtfs, 307 SDslu, 559 SDs, 0 SdLazy, 700 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred 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, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, 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 incorrect! Received shutdown request...