./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:45:07,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:45:07,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:45:07,690 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:45:07,691 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:45:07,692 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:45:07,709 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:45:07,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:45:07,717 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:45:07,718 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:45:07,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:45:07,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:45:07,720 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:45:07,721 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:45:07,722 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:45:07,723 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:45:07,724 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:45:07,725 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:45:07,727 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:45:07,729 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:45:07,730 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:45:07,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:45:07,736 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:45:07,737 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:45:07,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:45:07,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:45:07,741 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:45:07,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:45:07,743 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:45:07,744 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:45:07,744 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:45:07,745 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:45:07,746 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:45:07,746 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:45:07,756 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:45:07,757 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:45:07,758 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:45:07,758 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:45:07,758 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:45:07,759 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:45:07,760 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:45:07,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:45:07,799 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:45:07,799 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:45:07,799 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:45:07,800 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:45:07,800 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:45:07,800 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:45:07,801 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:45:07,801 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:45:07,801 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:45:07,802 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:45:07,802 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:45:07,802 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:45:07,802 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:45:07,809 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:45:07,809 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:45:07,810 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:45:07,810 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:45:07,810 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:45:07,810 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:45:07,810 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:45:07,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:45:07,811 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:45:07,811 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:45:07,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:45:07,812 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:45:07,812 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:45:07,812 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:45:07,812 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:45:07,813 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:45:07,813 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:45:07,814 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:45:07,814 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:45:07,814 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:45:07,814 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 46249a8081e9ed07db6908cd3a496204be92fe5d3b36976e28b801142a0a3633 [2022-11-25 17:45:08,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:45:08,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:45:08,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:45:08,180 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:45:08,181 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:45:08,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2022-11-25 17:45:11,208 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:45:11,390 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:45:11,391 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/sv-benchmarks/c/termination-crafted-lit/LeikeHeizmann-TACAS2014-Ex1.c [2022-11-25 17:45:11,398 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/data/2b27f7fa9/38c49aa96a3d46ee8705a5dc32b4c916/FLAGa466b7547 [2022-11-25 17:45:11,416 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/data/2b27f7fa9/38c49aa96a3d46ee8705a5dc32b4c916 [2022-11-25 17:45:11,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:45:11,423 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:45:11,427 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:45:11,428 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:45:11,431 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:45:11,432 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,433 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9300b50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11, skipping insertion in model container [2022-11-25 17:45:11,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,441 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:45:11,456 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:45:11,699 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:45:11,705 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:45:11,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:45:11,736 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:45:11,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11 WrapperNode [2022-11-25 17:45:11,740 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:45:11,741 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:45:11,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:45:11,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:45:11,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,755 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,775 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2022-11-25 17:45:11,775 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:45:11,776 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:45:11,776 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:45:11,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:45:11,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,799 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,800 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,801 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:45:11,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:45:11,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:45:11,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:45:11,808 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (1/1) ... [2022-11-25 17:45:11,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:45:11,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:45:11,842 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:45:11,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:45:11,890 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:45:11,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:45:11,969 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:45:11,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:45:12,070 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:45:12,077 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:45:12,077 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:45:12,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:12 BoogieIcfgContainer [2022-11-25 17:45:12,079 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:45:12,082 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:45:12,083 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:45:12,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:45:12,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:45:11" (1/3) ... [2022-11-25 17:45:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288d0e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:12, skipping insertion in model container [2022-11-25 17:45:12,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:45:11" (2/3) ... [2022-11-25 17:45:12,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@288d0e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:45:12, skipping insertion in model container [2022-11-25 17:45:12,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:12" (3/3) ... [2022-11-25 17:45:12,090 INFO L112 eAbstractionObserver]: Analyzing ICFG LeikeHeizmann-TACAS2014-Ex1.c [2022-11-25 17:45:12,111 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:45:12,111 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 17:45:12,162 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:45:12,169 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@474f8620, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:45:12,169 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 17:45:12,174 INFO L276 IsEmpty]: Start isEmpty. Operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:45:12,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:45:12,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:45:12,184 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:45:12,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:45:12,193 INFO L85 PathProgramCache]: Analyzing trace with hash 28700073, now seen corresponding path program 1 times [2022-11-25 17:45:12,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:45:12,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617934891] [2022-11-25 17:45:12,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:45:12,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:45:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:12,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:45:12,380 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:45:12,381 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617934891] [2022-11-25 17:45:12,381 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617934891] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:45:12,382 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:45:12,382 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:45:12,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405571175] [2022-11-25 17:45:12,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:45:12,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:45:12,389 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:45:12,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:45:12,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:45:12,436 INFO L87 Difference]: Start difference. First operand has 24 states, 15 states have (on average 1.7333333333333334) internal successors, (26), 23 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:45:12,513 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2022-11-25 17:45:12,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:45:12,516 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 17:45:12,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:45:12,524 INFO L225 Difference]: With dead ends: 28 [2022-11-25 17:45:12,525 INFO L226 Difference]: Without dead ends: 18 [2022-11-25 17:45:12,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:45:12,531 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 34 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:45:12,532 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 12 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:45:12,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-25 17:45:12,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-25 17:45:12,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 12 states have (on average 1.5833333333333333) internal successors, (19), 17 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 19 transitions. [2022-11-25 17:45:12,565 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 19 transitions. Word has length 5 [2022-11-25 17:45:12,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:45:12,566 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 19 transitions. [2022-11-25 17:45:12,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 19 transitions. [2022-11-25 17:45:12,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:45:12,575 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:45:12,576 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:45:12,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:45:12,591 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:45:12,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:45:12,592 INFO L85 PathProgramCache]: Analyzing trace with hash 28699753, now seen corresponding path program 1 times [2022-11-25 17:45:12,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:45:12,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348281223] [2022-11-25 17:45:12,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:45:12,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:45:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:12,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:45:12,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:45:12,668 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348281223] [2022-11-25 17:45:12,668 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348281223] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:45:12,668 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:45:12,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:45:12,669 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1455555736] [2022-11-25 17:45:12,669 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:45:12,670 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:45:12,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:45:12,671 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:45:12,672 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:45:12,672 INFO L87 Difference]: Start difference. First operand 18 states and 19 transitions. Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:45:12,750 INFO L93 Difference]: Finished difference Result 18 states and 19 transitions. [2022-11-25 17:45:12,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:45:12,751 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 17:45:12,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:45:12,751 INFO L225 Difference]: With dead ends: 18 [2022-11-25 17:45:12,751 INFO L226 Difference]: Without dead ends: 16 [2022-11-25 17:45:12,752 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:45:12,754 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 26 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 5 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:45:12,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 5 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:45:12,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-25 17:45:12,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-25 17:45:12,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 15 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 17 transitions. [2022-11-25 17:45:12,759 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 17 transitions. Word has length 5 [2022-11-25 17:45:12,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:45:12,759 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 17 transitions. [2022-11-25 17:45:12,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,759 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2022-11-25 17:45:12,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 17:45:12,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:45:12,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:45:12,760 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:45:12,761 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:45:12,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:45:12,761 INFO L85 PathProgramCache]: Analyzing trace with hash 889702321, now seen corresponding path program 1 times [2022-11-25 17:45:12,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:45:12,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [693851948] [2022-11-25 17:45:12,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:45:12,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:45:12,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:12,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:45:12,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:45:12,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [693851948] [2022-11-25 17:45:12,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [693851948] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:45:12,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:45:12,806 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:45:12,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126913845] [2022-11-25 17:45:12,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:45:12,807 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:45:12,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:45:12,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:45:12,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:45:12,808 INFO L87 Difference]: Start difference. First operand 16 states and 17 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:45:12,880 INFO L93 Difference]: Finished difference Result 22 states and 26 transitions. [2022-11-25 17:45:12,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:45:12,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-25 17:45:12,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:45:12,881 INFO L225 Difference]: With dead ends: 22 [2022-11-25 17:45:12,881 INFO L226 Difference]: Without dead ends: 20 [2022-11-25 17:45:12,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:45:12,883 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:45:12,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 6 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:45:12,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-25 17:45:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 14. [2022-11-25 17:45:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 12 states have (on average 1.25) internal successors, (15), 13 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-25 17:45:12,889 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 6 [2022-11-25 17:45:12,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:45:12,889 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-25 17:45:12,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-25 17:45:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-25 17:45:12,890 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:45:12,890 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-25 17:45:12,891 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:45:12,891 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:45:12,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:45:12,892 INFO L85 PathProgramCache]: Analyzing trace with hash 889692391, now seen corresponding path program 1 times [2022-11-25 17:45:12,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:45:12,892 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858969585] [2022-11-25 17:45:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:45:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:45:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:45:12,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:45:12,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:45:12,966 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858969585] [2022-11-25 17:45:12,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [858969585] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:45:12,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:45:12,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 17:45:12,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090717487] [2022-11-25 17:45:12,971 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:45:12,972 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:45:12,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:45:12,972 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:45:12,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:45:12,973 INFO L87 Difference]: Start difference. First operand 14 states and 15 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:13,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:45:13,043 INFO L93 Difference]: Finished difference Result 20 states and 22 transitions. [2022-11-25 17:45:13,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:45:13,044 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-25 17:45:13,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:45:13,045 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:45:13,045 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:45:13,045 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:45:13,048 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:45:13,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 6 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:45:13,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:45:13,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:45:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:45:13,056 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2022-11-25 17:45:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:45:13,056 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:45:13,056 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:45:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:45:13,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:45:13,059 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 17:45:13,061 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 17:45:13,062 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 17:45:13,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 17:45:13,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 17:45:13,063 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 17:45:13,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 17:45:13,064 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 17:45:13,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:45:13,068 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:45:13,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,156 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:45:13,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,157 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,157 INFO L899 garLoopResultBuilder]: For program point L21(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,157 INFO L899 garLoopResultBuilder]: For program point L21-1(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,157 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,158 INFO L899 garLoopResultBuilder]: For program point L21-2(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,171 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,171 INFO L899 garLoopResultBuilder]: For program point L21-3(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,171 INFO L899 garLoopResultBuilder]: For program point L19-2(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,171 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,172 INFO L899 garLoopResultBuilder]: For program point L17-2(lines 17 23) no Hoare annotation was computed. [2022-11-25 17:45:13,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,172 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:45:13,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-25 17:45:13,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:45:13,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,173 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:45:13,174 INFO L895 garLoopResultBuilder]: At program point L24(lines 13 25) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) [2022-11-25 17:45:13,174 INFO L899 garLoopResultBuilder]: For program point L18(lines 18 22) no Hoare annotation was computed. [2022-11-25 17:45:13,174 INFO L895 garLoopResultBuilder]: At program point L18-2(lines 17 23) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~y~0#1| 2147483648)) (<= |ULTIMATE.start_main_~y~0#1| 2147483647) (<= |ULTIMATE.start_main_~q~0#1| 2147483647)) [2022-11-25 17:45:13,175 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 21) no Hoare annotation was computed. [2022-11-25 17:45:13,178 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-25 17:45:13,180 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:45:13,201 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:45:13 BoogieIcfgContainer [2022-11-25 17:45:13,202 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:45:13,202 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:45:13,204 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:45:13,204 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:45:13,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:45:12" (3/4) ... [2022-11-25 17:45:13,209 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:45:13,221 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-25 17:45:13,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:45:13,222 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:45:13,273 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:45:13,276 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:45:13,277 INFO L158 Benchmark]: Toolchain (without parser) took 1854.30ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 75.0MB in the end (delta: 57.7MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,277 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:45:13,278 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.82ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 134.5MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,278 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.24ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 133.7MB in the end (delta: 828.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:45:13,279 INFO L158 Benchmark]: Boogie Preprocessor took 28.21ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 132.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,280 INFO L158 Benchmark]: RCFGBuilder took 273.47ms. Allocated memory is still 165.7MB. Free memory was 132.4MB in the beginning and 121.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,281 INFO L158 Benchmark]: TraceAbstraction took 1119.36ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 77.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,286 INFO L158 Benchmark]: Witness Printer took 73.96ms. Allocated memory is still 165.7MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:45:13,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.82ms. Allocated memory is still 165.7MB. Free memory was 132.7MB in the beginning and 134.5MB in the end (delta: -1.8MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.24ms. Allocated memory is still 165.7MB. Free memory was 134.5MB in the beginning and 133.7MB in the end (delta: 828.1kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 28.21ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 132.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 273.47ms. Allocated memory is still 165.7MB. Free memory was 132.4MB in the beginning and 121.9MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1119.36ms. Allocated memory is still 165.7MB. Free memory was 121.1MB in the beginning and 77.1MB in the end (delta: 44.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Witness Printer took 73.96ms. Allocated memory is still 165.7MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 24 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 92 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 29 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 11 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 18 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 17 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 62 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 66 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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 - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (0 <= y + 2147483648 && y <= 2147483647) && q <= 2147483647 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= y + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:45:13,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9adc05e4-8e1e-4524-9d4e-6cd440404114/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE