./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de7eb1b4edf01055c51816e5c7538789ce22635d ....................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash de7eb1b4edf01055c51816e5c7538789ce22635d ................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:54:58,682 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:54:58,686 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:54:58,741 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:54:58,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:54:58,747 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:54:58,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:54:58,753 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:54:58,756 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:54:58,762 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:54:58,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:54:58,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:54:58,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:54:58,769 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:54:58,771 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:54:58,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:54:58,777 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:54:58,779 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:54:58,781 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:54:58,789 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:54:58,791 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:54:58,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:54:58,796 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:54:58,797 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:54:58,807 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:54:58,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:54:58,808 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:54:58,810 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:54:58,811 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:54:58,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:54:58,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:54:58,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:54:58,817 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:54:58,818 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:54:58,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:54:58,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:54:58,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:54:58,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:54:58,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:54:58,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:54:58,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:54:58,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-16 02:54:58,865 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:54:58,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:54:58,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:54:58,868 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:54:58,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:54:58,869 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:54:58,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-16 02:54:58,869 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:54:58,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:54:58,870 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-16 02:54:58,871 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-16 02:54:58,871 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:54:58,872 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-16 02:54:58,872 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-16 02:54:58,872 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-16 02:54:58,873 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:54:58,873 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:54:58,874 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-16 02:54:58,874 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:54:58,874 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:54:58,874 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:54:58,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:54:58,875 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:54:58,875 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:54:58,875 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:54:58,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:54:58,876 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:54:58,876 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:54:58,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:54:58,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:54:58,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:54:58,879 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:54:58,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:54:58,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:54:58,880 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-16 02:54:58,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-16 02:54:58,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:54:58,881 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:54:58,881 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:54:58,882 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7eb1b4edf01055c51816e5c7538789ce22635d [2021-10-16 02:54:59,199 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:54:59,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:54:59,236 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:54:59,238 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:54:59,239 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:54:59,240 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-10-16 02:54:59,322 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/328005254/87d346894fce45148dfa53db12eade50/FLAGcfff9967b [2021-10-16 02:54:59,763 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:54:59,764 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-10-16 02:54:59,770 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/328005254/87d346894fce45148dfa53db12eade50/FLAGcfff9967b [2021-10-16 02:55:00,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/328005254/87d346894fce45148dfa53db12eade50 [2021-10-16 02:55:00,170 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:55:00,172 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:55:00,177 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:55:00,177 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:55:00,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:55:00,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,185 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ee78dfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00, skipping insertion in model container [2021-10-16 02:55:00,185 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,193 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:55:00,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:55:00,356 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-10-16 02:55:00,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:55:00,377 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:55:00,387 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-10-16 02:55:00,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:55:00,402 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:55:00,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00 WrapperNode [2021-10-16 02:55:00,403 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:55:00,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:55:00,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:55:00,405 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:55:00,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,437 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:55:00,438 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:55:00,438 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:55:00,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:55:00,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,448 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,452 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,456 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,459 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:55:00,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:55:00,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:55:00,460 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:55:00,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (1/1) ... [2021-10-16 02:55:00,468 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:55:00,479 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:55:00,493 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:55:00,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:55:00,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:55:00,548 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:55:00,549 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-16 02:55:00,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:55:00,800 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:55:00,801 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:55:00,804 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:00 BoogieIcfgContainer [2021-10-16 02:55:00,811 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:55:00,813 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:55:00,813 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:55:00,817 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:55:00,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:55:00" (1/3) ... [2021-10-16 02:55:00,818 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:00, skipping insertion in model container [2021-10-16 02:55:00,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:00" (2/3) ... [2021-10-16 02:55:00,819 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c1f74b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:00, skipping insertion in model container [2021-10-16 02:55:00,819 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:00" (3/3) ... [2021-10-16 02:55:00,820 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-10-16 02:55:00,826 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:55:00,826 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:55:00,892 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:55:00,898 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:55:00,902 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:55:00,921 INFO L276 IsEmpty]: Start isEmpty. Operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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) [2021-10-16 02:55:00,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-16 02:55:00,930 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:55:00,931 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-16 02:55:00,931 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:55:00,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:55:00,939 INFO L82 PathProgramCache]: Analyzing trace with hash 58614883, now seen corresponding path program 1 times [2021-10-16 02:55:00,958 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:55:00,958 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569848612] [2021-10-16 02:55:00,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:55:00,960 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:55:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:55:01,099 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:55:01,099 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-16 02:55:01,100 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569848612] [2021-10-16 02:55:01,100 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569848612] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-16 02:55:01,101 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:55:01,101 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-16 02:55:01,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801540255] [2021-10-16 02:55:01,107 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-16 02:55:01,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-16 02:55:01,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-16 02:55:01,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:55:01,123 INFO L87 Difference]: Start difference. First operand has 9 states, 7 states have (on average 1.5714285714285714) internal successors, (11), 8 states have internal predecessors, (11), 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 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-10-16 02:55:01,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:55:01,135 INFO L93 Difference]: Finished difference Result 15 states and 17 transitions. [2021-10-16 02:55:01,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-16 02:55:01,137 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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 [2021-10-16 02:55:01,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:55:01,144 INFO L225 Difference]: With dead ends: 15 [2021-10-16 02:55:01,144 INFO L226 Difference]: Without dead ends: 7 [2021-10-16 02:55:01,147 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-16 02:55:01,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2021-10-16 02:55:01,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2021-10-16 02:55:01,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 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) [2021-10-16 02:55:01,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2021-10-16 02:55:01,176 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2021-10-16 02:55:01,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:55:01,176 INFO L470 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2021-10-16 02:55:01,177 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 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) [2021-10-16 02:55:01,177 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2021-10-16 02:55:01,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 02:55:01,177 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:55:01,178 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 02:55:01,178 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-16 02:55:01,178 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:55:01,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:55:01,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1810415056, now seen corresponding path program 1 times [2021-10-16 02:55:01,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-16 02:55:01,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963576901] [2021-10-16 02:55:01,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:55:01,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-16 02:55:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:55:01,208 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-16 02:55:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-16 02:55:01,280 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-16 02:55:01,280 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-16 02:55:01,282 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:55:01,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-16 02:55:01,305 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:55:01,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:55:01 BoogieIcfgContainer [2021-10-16 02:55:01,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:55:01,323 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:55:01,323 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:55:01,324 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:55:01,324 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:00" (3/4) ... [2021-10-16 02:55:01,327 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-16 02:55:01,328 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:55:01,330 INFO L168 Benchmark]: Toolchain (without parser) took 1156.76 ms. Allocated memory is still 138.4 MB. Free memory was 96.6 MB in the beginning and 77.9 MB in the end (delta: 18.7 MB). Peak memory consumption was 16.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:01,330 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory is still 113.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:01,331 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.73 ms. Allocated memory is still 138.4 MB. Free memory was 96.4 MB in the beginning and 112.0 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:01,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.97 ms. Allocated memory is still 138.4 MB. Free memory was 112.0 MB in the beginning and 110.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:01,333 INFO L168 Benchmark]: Boogie Preprocessor took 20.92 ms. Allocated memory is still 138.4 MB. Free memory was 110.5 MB in the beginning and 109.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:01,334 INFO L168 Benchmark]: RCFGBuilder took 351.87 ms. Allocated memory is still 138.4 MB. Free memory was 109.5 MB in the beginning and 99.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:01,335 INFO L168 Benchmark]: TraceAbstraction took 509.44 ms. Allocated memory is still 138.4 MB. Free memory was 99.0 MB in the beginning and 78.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:01,336 INFO L168 Benchmark]: Witness Printer took 4.55 ms. Allocated memory is still 138.4 MB. Free memory was 78.1 MB in the beginning and 77.9 MB in the end (delta: 209.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:01,340 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 138.4 MB. Free memory is still 113.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 226.73 ms. Allocated memory is still 138.4 MB. Free memory was 96.4 MB in the beginning and 112.0 MB in the end (delta: -15.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.97 ms. Allocated memory is still 138.4 MB. Free memory was 112.0 MB in the beginning and 110.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.92 ms. Allocated memory is still 138.4 MB. Free memory was 110.5 MB in the beginning and 109.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 351.87 ms. Allocated memory is still 138.4 MB. Free memory was 109.5 MB in the beginning and 99.5 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 509.44 ms. Allocated memory is still 138.4 MB. Free memory was 99.0 MB in the beginning and 78.1 MB in the end (delta: 20.9 MB). Peak memory consumption was 21.0 MB. Max. memory is 16.1 GB. * Witness Printer took 4.55 ms. Allocated memory is still 138.4 MB. Free memory was 78.1 MB in the beginning and 77.9 MB in the end (delta: 209.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 7]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseAnd at line 16. Possible FailurePath: [L12] unsigned int x = 5; [L13] COND FALSE !(__VERIFIER_nondet_int()) [L6] COND TRUE !(cond) [L7] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 414.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 13.2ms, AutomataDifference: 38.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.4ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 9 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 14.9ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.6ms SsaConstructionTime, 49.4ms SatisfiabilityAnalysisTime, 56.9ms InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2021-10-16 02:55:01,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-5709675 [2021-10-16 02:55:03,888 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-16 02:55:03,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-16 02:55:03,934 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-16 02:55:03,935 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-16 02:55:03,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-16 02:55:03,941 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-16 02:55:03,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-16 02:55:03,952 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-16 02:55:03,959 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-16 02:55:03,961 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-16 02:55:03,963 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-16 02:55:03,963 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-16 02:55:03,966 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-16 02:55:03,969 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-16 02:55:03,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-16 02:55:03,976 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-16 02:55:03,977 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-16 02:55:03,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-16 02:55:03,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-16 02:55:03,992 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-16 02:55:03,994 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-16 02:55:03,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-16 02:55:03,999 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-16 02:55:04,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-16 02:55:04,010 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-16 02:55:04,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-16 02:55:04,012 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-16 02:55:04,013 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-16 02:55:04,014 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-16 02:55:04,015 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-16 02:55:04,016 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-16 02:55:04,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-16 02:55:04,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-16 02:55:04,020 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-16 02:55:04,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-16 02:55:04,030 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-16 02:55:04,031 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-16 02:55:04,031 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-16 02:55:04,033 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-16 02:55:04,034 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-16 02:55:04,035 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2021-10-16 02:55:04,082 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-16 02:55:04,082 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-16 02:55:04,083 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-16 02:55:04,084 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-16 02:55:04,084 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-16 02:55:04,084 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-16 02:55:04,084 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-16 02:55:04,085 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-16 02:55:04,085 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-16 02:55:04,086 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-16 02:55:04,087 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-16 02:55:04,088 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-16 02:55:04,088 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-16 02:55:04,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-16 02:55:04,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-16 02:55:04,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-16 02:55:04,089 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-16 02:55:04,089 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-16 02:55:04,089 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-16 02:55:04,089 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-16 02:55:04,090 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-16 02:55:04,090 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-16 02:55:04,090 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-16 02:55:04,090 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-16 02:55:04,090 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-16 02:55:04,091 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-16 02:55:04,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:55:04,091 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-16 02:55:04,091 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-16 02:55:04,092 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-16 02:55:04,092 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-10-16 02:55:04,092 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-16 02:55:04,092 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-16 02:55:04,092 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-16 02:55:04,093 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-16 02:55:04,093 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de7eb1b4edf01055c51816e5c7538789ce22635d [2021-10-16 02:55:04,504 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-16 02:55:04,527 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-16 02:55:04,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-16 02:55:04,531 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-16 02:55:04,531 INFO L275 PluginConnector]: CDTParser initialized [2021-10-16 02:55:04,532 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/../../sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-10-16 02:55:04,607 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/628ba65e5/d4cc1825d6d94fe28121222b358f08ab/FLAG792bc3a7e [2021-10-16 02:55:05,082 INFO L306 CDTParser]: Found 1 translation units. [2021-10-16 02:55:05,083 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c [2021-10-16 02:55:05,089 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/628ba65e5/d4cc1825d6d94fe28121222b358f08ab/FLAG792bc3a7e [2021-10-16 02:55:05,450 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/data/628ba65e5/d4cc1825d6d94fe28121222b358f08ab [2021-10-16 02:55:05,453 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-16 02:55:05,455 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-16 02:55:05,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-16 02:55:05,457 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-16 02:55:05,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-16 02:55:05,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3236bc84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05, skipping insertion in model container [2021-10-16 02:55:05,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,483 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-16 02:55:05,498 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-16 02:55:05,672 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-10-16 02:55:05,681 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:55:05,693 INFO L203 MainTranslator]: Completed pre-run [2021-10-16 02:55:05,706 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/sv-benchmarks/c/loop-invariants/bin-suffix-5.c[359,372] [2021-10-16 02:55:05,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-16 02:55:05,731 INFO L208 MainTranslator]: Completed translation [2021-10-16 02:55:05,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05 WrapperNode [2021-10-16 02:55:05,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-16 02:55:05,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-16 02:55:05,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-16 02:55:05,733 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-16 02:55:05,741 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,750 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-16 02:55:05,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-16 02:55:05,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-16 02:55:05,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-16 02:55:05,788 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,800 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,822 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,823 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-16 02:55:05,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-16 02:55:05,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-16 02:55:05,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-16 02:55:05,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (1/1) ... [2021-10-16 02:55:05,838 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-16 02:55:05,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 [2021-10-16 02:55:05,865 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-16 02:55:05,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-16 02:55:05,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-16 02:55:05,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-16 02:55:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-10-16 02:55:05,918 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-16 02:55:06,191 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-16 02:55:06,196 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-16 02:55:06,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:06 BoogieIcfgContainer [2021-10-16 02:55:06,199 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-16 02:55:06,201 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-16 02:55:06,202 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-16 02:55:06,206 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-16 02:55:06,206 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:55:05" (1/3) ... [2021-10-16 02:55:06,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ffdc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:06, skipping insertion in model container [2021-10-16 02:55:06,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:05" (2/3) ... [2021-10-16 02:55:06,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58ffdc6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:06, skipping insertion in model container [2021-10-16 02:55:06,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:06" (3/3) ... [2021-10-16 02:55:06,214 INFO L111 eAbstractionObserver]: Analyzing ICFG bin-suffix-5.c [2021-10-16 02:55:06,220 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-16 02:55:06,221 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-16 02:55:06,281 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-16 02:55:06,292 INFO L339 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, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR [2021-10-16 02:55:06,293 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-10-16 02:55:06,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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) [2021-10-16 02:55:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-16 02:55:06,317 INFO L504 BasicCegarLoop]: Found error trace [2021-10-16 02:55:06,318 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-10-16 02:55:06,319 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-16 02:55:06,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-16 02:55:06,328 INFO L82 PathProgramCache]: Analyzing trace with hash 889633835, now seen corresponding path program 1 times [2021-10-16 02:55:06,340 INFO L121 FreeRefinementEngine]: Executing refinement strategy WALRUS [2021-10-16 02:55:06,341 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772450600] [2021-10-16 02:55:06,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-16 02:55:06,342 INFO L170 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2021-10-16 02:55:06,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/mathsat [2021-10-16 02:55:06,348 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2021-10-16 02:55:06,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2021-10-16 02:55:06,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-16 02:55:06,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-16 02:55:06,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-16 02:55:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:55:06,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-10-16 02:55:06,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-16 02:55:06,654 INFO L139 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2021-10-16 02:55:06,654 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772450600] [2021-10-16 02:55:06,656 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772450600] provided 2 perfect and 0 imperfect interpolant sequences [2021-10-16 02:55:06,656 INFO L186 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2021-10-16 02:55:06,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4, 4] imperfect sequences [] total 6 [2021-10-16 02:55:06,659 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407711746] [2021-10-16 02:55:06,664 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-16 02:55:06,665 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2021-10-16 02:55:06,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-16 02:55:06,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-16 02:55:06,682 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 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 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-16 02:55:06,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-16 02:55:06,753 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-10-16 02:55:06,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-16 02:55:06,755 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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 [2021-10-16 02:55:06,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-16 02:55:06,762 INFO L225 Difference]: With dead ends: 24 [2021-10-16 02:55:06,762 INFO L226 Difference]: Without dead ends: 0 [2021-10-16 02:55:06,765 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.7ms TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2021-10-16 02:55:06,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-16 02:55:06,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-16 02:55:06,793 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) [2021-10-16 02:55:06,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-16 02:55:06,794 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 6 [2021-10-16 02:55:06,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-16 02:55:06,795 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-16 02:55:06,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.6666666666666667) internal successors, (10), 6 states have internal predecessors, (10), 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) [2021-10-16 02:55:06,795 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-16 02:55:06,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-16 02:55:06,798 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-16 02:55:06,814 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2021-10-16 02:55:07,009 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/mathsat -unsat_core_generation=3 [2021-10-16 02:55:07,011 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-16 02:55:07,013 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:55:07,047 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:55:07,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-16 02:55:07,111 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-16 02:55:07,111 INFO L853 garLoopResultBuilder]: At program point L17(lines 11 18) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2021-10-16 02:55:07,112 INFO L853 garLoopResultBuilder]: At program point L13-2(lines 13 15) the Hoare annotation is: (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0)) [2021-10-16 02:55:07,112 INFO L857 garLoopResultBuilder]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2021-10-16 02:55:07,112 INFO L857 garLoopResultBuilder]: For program point L7(line 7) no Hoare annotation was computed. [2021-10-16 02:55:07,112 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-16 02:55:07,112 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-16 02:55:07,112 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-16 02:55:07,113 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2021-10-16 02:55:07,113 INFO L857 garLoopResultBuilder]: For program point L6(lines 6 8) no Hoare annotation was computed. [2021-10-16 02:55:07,113 INFO L853 garLoopResultBuilder]: At program point L6-2(lines 5 10) the Hoare annotation is: (and (= ULTIMATE.start___VERIFIER_assert_~cond (_ bv1 32)) (= (_ bv5 32) (bvand (_ bv5 32) ULTIMATE.start_main_~x~0))) [2021-10-16 02:55:07,118 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-16 02:55:07,130 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:55:07 BoogieIcfgContainer [2021-10-16 02:55:07,130 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-16 02:55:07,131 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-16 02:55:07,131 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-16 02:55:07,131 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-16 02:55:07,132 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:06" (3/4) ... [2021-10-16 02:55:07,135 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-16 02:55:07,150 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-16 02:55:07,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-10-16 02:55:07,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:55:07,151 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-16 02:55:07,200 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/witness.graphml [2021-10-16 02:55:07,200 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-16 02:55:07,201 INFO L168 Benchmark]: Toolchain (without parser) took 1745.97 ms. Allocated memory is still 79.7 MB. Free memory was 44.5 MB in the beginning and 55.2 MB in the end (delta: -10.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:07,202 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 60.8 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:07,202 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.77 ms. Allocated memory is still 79.7 MB. Free memory was 44.3 MB in the beginning and 58.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:07,203 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.43 ms. Allocated memory is still 79.7 MB. Free memory was 58.6 MB in the beginning and 64.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:07,203 INFO L168 Benchmark]: Boogie Preprocessor took 46.08 ms. Allocated memory is still 79.7 MB. Free memory was 64.3 MB in the beginning and 63.4 MB in the end (delta: 887.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:07,204 INFO L168 Benchmark]: RCFGBuilder took 373.34 ms. Allocated memory is still 79.7 MB. Free memory was 63.2 MB in the beginning and 54.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:07,204 INFO L168 Benchmark]: TraceAbstraction took 929.18 ms. Allocated memory is still 79.7 MB. Free memory was 53.7 MB in the beginning and 57.3 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-16 02:55:07,205 INFO L168 Benchmark]: Witness Printer took 69.18 ms. Allocated memory is still 79.7 MB. Free memory was 57.3 MB in the beginning and 55.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-16 02:55:07,212 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 79.7 MB. Free memory was 60.9 MB in the beginning and 60.8 MB in the end (delta: 72.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 275.77 ms. Allocated memory is still 79.7 MB. Free memory was 44.3 MB in the beginning and 58.8 MB in the end (delta: -14.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.43 ms. Allocated memory is still 79.7 MB. Free memory was 58.6 MB in the beginning and 64.5 MB in the end (delta: -5.9 MB). Peak memory consumption was 4.6 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 46.08 ms. Allocated memory is still 79.7 MB. Free memory was 64.3 MB in the beginning and 63.4 MB in the end (delta: 887.1 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 373.34 ms. Allocated memory is still 79.7 MB. Free memory was 63.2 MB in the beginning and 54.2 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 929.18 ms. Allocated memory is still 79.7 MB. Free memory was 53.7 MB in the beginning and 57.3 MB in the end (delta: -3.6 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 69.18 ms. Allocated memory is still 79.7 MB. Free memory was 57.3 MB in the beginning and 55.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 7]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 837.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 11.8ms, AutomataDifference: 99.7ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 100.7ms, InitialAbstractionConstructionTime: 12.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 6 SDtfs, 18 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 49.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 9.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 8 NumberOfFragments, 23 HoareAnnotationTreeSize, 3 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 40.3ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 54.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 9.7ms SsaConstructionTime, 29.7ms SatisfiabilityAnalysisTime, 205.7ms InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 2 NumberOfNonLiveVariables, 27 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 1 specifications checked. All of them hold - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: cond == 1bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 5]: Loop Invariant Derived loop invariant: cond == 1bv32 && 5bv32 == ~bvand32(5bv32, x) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 5bv32 == ~bvand32(5bv32, x) RESULT: Ultimate proved your program to be correct! [2021-10-16 02:55:07,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77b2e68b-479b-4dd6-9077-0c445ec0d113/bin/utaipan-mTDlp9Zugs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...