./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash c91ba6ce48d133e887a21b84bd36f9ee70152c0447821ab7cf2498a6b08c6ef8 --- 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-5e519f3 [2022-11-03 02:20:22,728 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:20:22,731 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:20:22,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:20:22,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:20:22,778 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:20:22,781 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:20:22,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:20:22,789 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:20:22,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:20:22,794 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:20:22,795 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:20:22,795 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:20:22,796 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:20:22,797 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:20:22,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:20:22,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:20:22,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:20:22,802 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:20:22,804 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:20:22,813 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:20:22,821 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:20:22,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:20:22,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:20:22,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:20:22,830 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:20:22,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:20:22,832 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:20:22,832 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:20:22,833 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:20:22,834 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:20:22,834 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:20:22,835 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:20:22,836 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:20:22,837 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:20:22,838 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:20:22,838 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:20:22,839 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:20:22,839 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:20:22,840 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:20:22,841 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:20:22,842 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:20:22,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:20:22,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:20:22,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:20:22,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:20:22,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:20:22,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:20:22,868 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:20:22,868 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:20:22,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:20:22,869 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:20:22,869 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:20:22,869 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:20:22,869 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:20:22,870 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:20:22,870 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:20:22,870 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:20:22,870 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:20:22,870 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:20:22,871 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:20:22,871 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:20:22,872 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:20:22,872 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:20:22,872 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:20:22,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:20:22,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:20:22,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:20:22,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:20:22,873 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:20:22,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:20:22,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:22,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:20:22,874 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:20:22,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:20:22,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:20:22,875 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:20:22,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:20:22,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:20:22,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:20:22,875 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c91ba6ce48d133e887a21b84bd36f9ee70152c0447821ab7cf2498a6b08c6ef8 [2022-11-03 02:20:23,188 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:20:23,209 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:20:23,212 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:20:23,213 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:20:23,215 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:20:23,216 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:23,293 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/533bad617/7821d5f6543b452f8e5d3f04c79e7262/FLAG8629fd323 [2022-11-03 02:20:23,870 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:20:23,870 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:23,880 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/533bad617/7821d5f6543b452f8e5d3f04c79e7262/FLAG8629fd323 [2022-11-03 02:20:24,180 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/533bad617/7821d5f6543b452f8e5d3f04c79e7262 [2022-11-03 02:20:24,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:20:24,184 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:20:24,186 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:24,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:20:24,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:20:24,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@145da5e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24, skipping insertion in model container [2022-11-03 02:20:24,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,202 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:20:24,232 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:20:24,444 WARN L230 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_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1107,1120] [2022-11-03 02:20:24,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:24,621 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:20:24,648 WARN L230 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_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1107,1120] [2022-11-03 02:20:24,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:24,761 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:20:24,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24 WrapperNode [2022-11-03 02:20:24,762 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:24,763 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:24,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:20:24,764 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:20:24,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,859 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 317 [2022-11-03 02:20:24,860 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:24,861 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:20:24,861 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:20:24,861 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:20:24,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,901 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:20:24,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:20:24,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:20:24,911 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:20:24,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (1/1) ... [2022-11-03 02:20:24,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:24,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:20:24,952 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:20:24,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:20:25,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:20:25,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:20:25,216 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:20:25,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:20:26,018 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:20:26,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:20:26,378 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:20:26,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:26 BoogieIcfgContainer [2022-11-03 02:20:26,381 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:20:26,384 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:20:26,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:20:26,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:20:26,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:20:24" (1/3) ... [2022-11-03 02:20:26,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e8234a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:26, skipping insertion in model container [2022-11-03 02:20:26,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:24" (2/3) ... [2022-11-03 02:20:26,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41e8234a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:26, skipping insertion in model container [2022-11-03 02:20:26,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:26" (3/3) ... [2022-11-03 02:20:26,394 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:26,420 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:20:26,420 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:20:26,495 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:20:26,511 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@77ca8740, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:20:26,512 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:20:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 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) [2022-11-03 02:20:26,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-03 02:20:26,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:26,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-03 02:20:26,525 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:26,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:26,534 INFO L85 PathProgramCache]: Analyzing trace with hash 4091395, now seen corresponding path program 1 times [2022-11-03 02:20:26,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:20:26,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947967694] [2022-11-03 02:20:26,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:26,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:20:27,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:20:27,312 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-03 02:20:27,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-03 02:20:27,746 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-03 02:20:27,748 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-03 02:20:27,754 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:20:27,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:20:27,763 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:20:27,768 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:20:27,815 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-03 02:20:27,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:20:27 BoogieIcfgContainer [2022-11-03 02:20:27,837 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:20:27,840 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:20:27,840 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:20:27,840 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:20:27,842 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:26" (3/4) ... [2022-11-03 02:20:27,847 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-03 02:20:27,847 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:20:27,850 INFO L158 Benchmark]: Toolchain (without parser) took 3664.98ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 87.7MB in the beginning and 64.5MB in the end (delta: 23.2MB). Peak memory consumption was 55.3MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,851 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:20:27,852 INFO L158 Benchmark]: CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 125.8MB. Free memory was 87.4MB in the beginning and 95.1MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,854 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.62ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 90.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,855 INFO L158 Benchmark]: Boogie Preprocessor took 49.33ms. Allocated memory is still 125.8MB. Free memory was 90.0MB in the beginning and 86.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,862 INFO L158 Benchmark]: RCFGBuilder took 1470.21ms. Allocated memory is still 125.8MB. Free memory was 86.0MB in the beginning and 62.8MB in the end (delta: 23.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,864 INFO L158 Benchmark]: TraceAbstraction took 1452.83ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.1MB in the beginning and 65.5MB in the end (delta: -3.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,864 INFO L158 Benchmark]: Witness Printer took 8.27ms. Allocated memory is still 157.3MB. Free memory was 65.5MB in the beginning and 64.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:20:27,874 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 125.8MB. Free memory is still 106.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 576.52ms. Allocated memory is still 125.8MB. Free memory was 87.4MB in the beginning and 95.1MB in the end (delta: -7.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.62ms. Allocated memory is still 125.8MB. Free memory was 95.1MB in the beginning and 90.0MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.33ms. Allocated memory is still 125.8MB. Free memory was 90.0MB in the beginning and 86.0MB in the end (delta: 4.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1470.21ms. Allocated memory is still 125.8MB. Free memory was 86.0MB in the beginning and 62.8MB in the end (delta: 23.2MB). Peak memory consumption was 57.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1452.83ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 62.1MB in the beginning and 65.5MB in the end (delta: -3.4MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Witness Printer took 8.27ms. Allocated memory is still 157.3MB. Free memory was 65.5MB in the beginning and 64.5MB in the end (delta: 1.1MB). 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 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 99, overapproximation of bitwiseOr at line 123, overapproximation of bitwiseAnd at line 92. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 5); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (5 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 32); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (32 - 1); [L34] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 31); [L35] const SORT_47 msb_SORT_47 = (SORT_47)1 << (31 - 1); [L37] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 30); [L38] const SORT_57 msb_SORT_57 = (SORT_57)1 << (30 - 1); [L40] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 29); [L41] const SORT_59 msb_SORT_59 = (SORT_59)1 << (29 - 1); [L43] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 2); [L44] const SORT_65 msb_SORT_65 = (SORT_65)1 << (2 - 1); [L46] const SORT_71 mask_SORT_71 = (SORT_71)-1 >> (sizeof(SORT_71) * 8 - 28); [L47] const SORT_71 msb_SORT_71 = (SORT_71)1 << (28 - 1); [L49] const SORT_73 mask_SORT_73 = (SORT_73)-1 >> (sizeof(SORT_73) * 8 - 26); [L50] const SORT_73 msb_SORT_73 = (SORT_73)1 << (26 - 1); [L52] const SORT_79 mask_SORT_79 = (SORT_79)-1 >> (sizeof(SORT_79) * 8 - 4); [L53] const SORT_79 msb_SORT_79 = (SORT_79)1 << (4 - 1); [L55] const SORT_85 mask_SORT_85 = (SORT_85)-1 >> (sizeof(SORT_85) * 8 - 24); [L56] const SORT_85 msb_SORT_85 = (SORT_85)1 << (24 - 1); [L58] const SORT_87 mask_SORT_87 = (SORT_87)-1 >> (sizeof(SORT_87) * 8 - 20); [L59] const SORT_87 msb_SORT_87 = (SORT_87)1 << (20 - 1); [L61] const SORT_93 mask_SORT_93 = (SORT_93)-1 >> (sizeof(SORT_93) * 8 - 8); [L62] const SORT_93 msb_SORT_93 = (SORT_93)1 << (8 - 1); [L64] const SORT_99 mask_SORT_99 = (SORT_99)-1 >> (sizeof(SORT_99) * 8 - 16); [L65] const SORT_99 msb_SORT_99 = (SORT_99)1 << (16 - 1); [L67] const SORT_5 var_8 = 0; [L68] const SORT_3 var_19 = 0; [L69] const SORT_3 var_40 = 1; [L71] SORT_1 input_2; [L72] SORT_3 input_4; [L73] SORT_5 input_6; [L74] SORT_3 input_7; [L76] SORT_5 state_9 = __VERIFIER_nondet_uint() & mask_SORT_5; [L77] SORT_5 state_13 = __VERIFIER_nondet_uint() & mask_SORT_5; [L78] SORT_3 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_5 init_10_arg_1 = var_8; [L81] state_9 = init_10_arg_1 [L82] SORT_5 init_14_arg_1 = var_8; [L83] state_13 = init_14_arg_1 [L84] SORT_3 init_21_arg_1 = var_19; [L85] state_20 = init_21_arg_1 VAL [init_10_arg_1=0, init_14_arg_1=0, init_21_arg_1=0, mask_SORT_1=31, mask_SORT_3=1, mask_SORT_47=4294967295, mask_SORT_5=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_65=3, mask_SORT_71=4294967295, mask_SORT_73=4294967295, mask_SORT_79=15, mask_SORT_85=4294967295, mask_SORT_87=4294967295, mask_SORT_93=255, mask_SORT_99=65535, msb_SORT_1=16, msb_SORT_3=1, msb_SORT_47=1073741824, msb_SORT_5=2147483648, msb_SORT_57=536870912, msb_SORT_59=268435456, msb_SORT_65=2, msb_SORT_71=134217728, msb_SORT_73=33554432, msb_SORT_79=8, msb_SORT_85=8388608, msb_SORT_87=524288, msb_SORT_93=128, msb_SORT_99=32768, state_13=0, state_20=0, state_9=0, var_19=0, var_40=1, var_8=0] [L88] input_2 = __VERIFIER_nondet_uchar() [L89] input_4 = __VERIFIER_nondet_uchar() [L90] input_6 = __VERIFIER_nondet_uint() [L91] input_7 = __VERIFIER_nondet_uchar() [L92] input_7 = input_7 & mask_SORT_3 [L95] SORT_5 var_11_arg_0 = state_9; [L96] SORT_5 var_11_arg_1 = var_8; [L97] SORT_3 var_11 = var_11_arg_0 == var_11_arg_1; [L98] SORT_3 var_12_arg_0 = var_11; [L99] SORT_3 var_12 = ~var_12_arg_0; [L100] SORT_5 var_15_arg_0 = state_13; [L101] SORT_5 var_15_arg_1 = var_8; [L102] SORT_3 var_15 = var_15_arg_0 == var_15_arg_1; [L103] SORT_3 var_16_arg_0 = var_15; [L104] SORT_3 var_16 = ~var_16_arg_0; [L105] SORT_3 var_17_arg_0 = var_12; [L106] SORT_3 var_17_arg_1 = var_16; [L107] SORT_3 var_17 = var_17_arg_0 & var_17_arg_1; [L108] SORT_3 var_18_arg_0 = var_17; [L109] SORT_3 var_18 = ~var_18_arg_0; [L110] SORT_3 var_22_arg_0 = state_20; [L111] var_22_arg_0 = var_22_arg_0 & mask_SORT_3 [L112] SORT_5 var_22 = var_22_arg_0; [L113] SORT_5 var_23_arg_0 = var_22; [L114] SORT_5 var_23_arg_1 = var_8; [L115] SORT_3 var_23 = var_23_arg_0 == var_23_arg_1; [L116] SORT_5 var_24_arg_0 = state_9; [L117] SORT_5 var_24_arg_1 = var_8; [L118] SORT_3 var_24 = var_24_arg_0 == var_24_arg_1; [L119] SORT_3 var_25_arg_0 = var_24; [L120] SORT_3 var_25 = ~var_25_arg_0; [L121] SORT_3 var_26_arg_0 = var_23; [L122] SORT_3 var_26_arg_1 = var_25; [L123] SORT_3 var_26 = var_26_arg_0 | var_26_arg_1; [L124] SORT_3 var_27_arg_0 = var_18; [L125] SORT_3 var_27_arg_1 = var_26; [L126] SORT_3 var_27 = var_27_arg_0 | var_27_arg_1; [L127] SORT_5 var_28_arg_0 = state_9; [L128] SORT_5 var_28_arg_1 = var_8; [L129] SORT_3 var_28 = var_28_arg_0 == var_28_arg_1; [L130] SORT_5 var_29_arg_0 = state_13; [L131] SORT_5 var_29_arg_1 = var_8; [L132] SORT_3 var_29 = var_29_arg_0 == var_29_arg_1; [L133] SORT_3 var_30_arg_0 = var_28; [L134] SORT_3 var_30_arg_1 = var_29; [L135] SORT_3 var_30 = var_30_arg_0 & var_30_arg_1; [L136] SORT_3 var_31_arg_0 = var_30; [L137] SORT_3 var_31 = ~var_31_arg_0; [L138] SORT_3 var_32_arg_0 = state_20; [L139] var_32_arg_0 = var_32_arg_0 & mask_SORT_3 [L140] SORT_5 var_32 = var_32_arg_0; [L141] SORT_5 var_33_arg_0 = var_32; [L142] SORT_5 var_33_arg_1 = var_8; [L143] SORT_3 var_33 = var_33_arg_0 == var_33_arg_1; [L144] SORT_5 var_34_arg_0 = state_9; [L145] SORT_5 var_34_arg_1 = var_8; [L146] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L147] SORT_3 var_35_arg_0 = var_33; [L148] SORT_3 var_35_arg_1 = var_34; [L149] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L150] SORT_3 var_36_arg_0 = var_31; [L151] SORT_3 var_36_arg_1 = var_35; [L152] SORT_3 var_36 = var_36_arg_0 | var_36_arg_1; [L153] SORT_3 var_37_arg_0 = var_27; [L154] SORT_3 var_37_arg_1 = var_36; [L155] SORT_3 var_37 = var_37_arg_0 & var_37_arg_1; [L156] SORT_3 var_41_arg_0 = var_37; [L157] SORT_3 var_41 = ~var_41_arg_0; [L158] SORT_3 var_42_arg_0 = var_40; [L159] SORT_3 var_42_arg_1 = var_41; [L160] SORT_3 var_42 = var_42_arg_0 & var_42_arg_1; [L161] var_42 = var_42 & mask_SORT_3 [L162] SORT_3 bad_43_arg_0 = var_42; [L163] CALL __VERIFIER_assert(!(bad_43_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-11-03 02:20:27,939 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI --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 64bit --witnessprinter.graph.data.programhash c91ba6ce48d133e887a21b84bd36f9ee70152c0447821ab7cf2498a6b08c6ef8 --- 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-5e519f3 [2022-11-03 02:20:30,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:20:30,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:20:30,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:20:30,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:20:30,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:20:30,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:20:30,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:20:30,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:20:30,712 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:20:30,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:20:30,715 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:20:30,715 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:20:30,717 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:20:30,718 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:20:30,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:20:30,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:20:30,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:20:30,725 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:20:30,727 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:20:30,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:20:30,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:20:30,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:20:30,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:20:30,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:20:30,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:20:30,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:20:30,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:20:30,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:20:30,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:20:30,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:20:30,757 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:20:30,758 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:20:30,759 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:20:30,760 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:20:30,761 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:20:30,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:20:30,762 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:20:30,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:20:30,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:20:30,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:20:30,770 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-03 02:20:30,802 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:20:30,803 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:20:30,809 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:20:30,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:20:30,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:20:30,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:20:30,811 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:20:30,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:20:30,811 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:20:30,811 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:20:30,812 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:20:30,812 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:20:30,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:20:30,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:20:30,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:20:30,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:20:30,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:20:30,814 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-03 02:20:30,814 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-03 02:20:30,814 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-03 02:20:30,815 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:20:30,815 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:20:30,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:20:30,816 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:20:30,816 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-03 02:20:30,816 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:20:30,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:30,817 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:20:30,817 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:20:30,817 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:20:30,817 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-03 02:20:30,817 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-03 02:20:30,818 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:20:30,818 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:20:30,818 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-03 02:20:30,818 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_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c91ba6ce48d133e887a21b84bd36f9ee70152c0447821ab7cf2498a6b08c6ef8 [2022-11-03 02:20:31,297 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:20:31,337 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:20:31,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:20:31,342 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:20:31,343 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:20:31,351 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:31,447 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/9b24ba047/273f3a8fdcfd4f8a994a6901cb9782e4/FLAGf93ba45ea [2022-11-03 02:20:32,178 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:20:32,179 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:32,188 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/9b24ba047/273f3a8fdcfd4f8a994a6901cb9782e4/FLAGf93ba45ea [2022-11-03 02:20:32,491 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/data/9b24ba047/273f3a8fdcfd4f8a994a6901cb9782e4 [2022-11-03 02:20:32,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:20:32,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:20:32,497 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:32,497 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:20:32,502 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:20:32,503 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:32" (1/1) ... [2022-11-03 02:20:32,505 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c796f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:32, skipping insertion in model container [2022-11-03 02:20:32,505 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:20:32" (1/1) ... [2022-11-03 02:20:32,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:20:32,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:20:32,732 WARN L230 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_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1107,1120] [2022-11-03 02:20:32,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:32,877 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:20:32,940 WARN L230 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_8eaf5200-6088-4e93-8d36-adc483d57fa0/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Spinner.c[1107,1120] [2022-11-03 02:20:33,012 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:20:33,028 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:20:33,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33 WrapperNode [2022-11-03 02:20:33,029 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:20:33,030 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:33,031 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:20:33,031 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:20:33,040 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,067 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,131 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 317 [2022-11-03 02:20:33,137 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:20:33,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:20:33,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:20:33,140 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:20:33,151 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,175 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,197 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,215 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,217 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,230 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:20:33,231 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:20:33,232 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:20:33,232 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:20:33,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (1/1) ... [2022-11-03 02:20:33,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:20:33,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:20:33,275 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:20:33,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:20:33,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:20:33,335 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:20:33,567 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:20:33,569 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:20:34,064 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:20:34,073 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:20:34,073 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:20:34,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:34 BoogieIcfgContainer [2022-11-03 02:20:34,076 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:20:34,079 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:20:34,079 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:20:34,083 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:20:34,083 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:20:32" (1/3) ... [2022-11-03 02:20:34,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54966138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:34, skipping insertion in model container [2022-11-03 02:20:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:20:33" (2/3) ... [2022-11-03 02:20:34,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54966138 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:20:34, skipping insertion in model container [2022-11-03 02:20:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:34" (3/3) ... [2022-11-03 02:20:34,105 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Spinner.c [2022-11-03 02:20:34,127 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:20:34,128 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:20:34,211 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:20:34,219 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=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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@ed2e3fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:20:34,221 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:20:34,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 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) [2022-11-03 02:20:34,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-03 02:20:34,235 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:20:34,236 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-03 02:20:34,236 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:20:34,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:20:34,243 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-03 02:20:34,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-03 02:20:34,266 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1635015882] [2022-11-03 02:20:34,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:20:34,267 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3 [2022-11-03 02:20:34,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/mathsat [2022-11-03 02:20:34,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-03 02:20:34,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-03 02:20:34,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:20:34,522 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 33 conjunts are in the unsatisfiable core [2022-11-03 02:20:34,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:20:34,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-03 02:20:34,921 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:20:34,922 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-03 02:20:34,923 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1635015882] [2022-11-03 02:20:34,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1635015882] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:20:34,924 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:20:34,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-03 02:20:34,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129057259] [2022-11-03 02:20:34,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:20:34,937 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 02:20:34,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-03 02:20:34,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 02:20:34,972 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-03 02:20:34,975 INFO L87 Difference]: Start difference. First operand has 33 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 32 states have internal predecessors, (46), 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, 4 states have (on average 1.25) 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) [2022-11-03 02:20:35,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:20:35,072 INFO L93 Difference]: Finished difference Result 83 states and 124 transitions. [2022-11-03 02:20:35,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-03 02:20:35,075 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) 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 [2022-11-03 02:20:35,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:20:35,082 INFO L225 Difference]: With dead ends: 83 [2022-11-03 02:20:35,082 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:20:35,085 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:20:35,088 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 105 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:20:35,089 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [105 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:20:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:20:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:20:35,121 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) [2022-11-03 02:20:35,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:20:35,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 5 [2022-11-03 02:20:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:20:35,124 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:20:35,124 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) 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) [2022-11-03 02:20:35,125 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:20:35,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:20:35,128 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:20:35,143 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-03 02:20:35,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/mathsat -unsat_core_generation=3 [2022-11-03 02:20:35,345 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:20:35,368 INFO L899 garLoopResultBuilder]: For program point L213(line 213) no Hoare annotation was computed. [2022-11-03 02:20:35,369 INFO L899 garLoopResultBuilder]: For program point L213-2(line 213) no Hoare annotation was computed. [2022-11-03 02:20:35,369 INFO L899 garLoopResultBuilder]: For program point L275(line 275) no Hoare annotation was computed. [2022-11-03 02:20:35,369 INFO L899 garLoopResultBuilder]: For program point L275-2(line 275) no Hoare annotation was computed. [2022-11-03 02:20:35,370 INFO L899 garLoopResultBuilder]: For program point L201(line 201) no Hoare annotation was computed. [2022-11-03 02:20:35,370 INFO L899 garLoopResultBuilder]: For program point L168(line 168) no Hoare annotation was computed. [2022-11-03 02:20:35,370 INFO L899 garLoopResultBuilder]: For program point L201-2(line 201) no Hoare annotation was computed. [2022-11-03 02:20:35,370 INFO L899 garLoopResultBuilder]: For program point L168-2(line 168) no Hoare annotation was computed. [2022-11-03 02:20:35,371 INFO L899 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2022-11-03 02:20:35,371 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-03 02:20:35,371 INFO L899 garLoopResultBuilder]: For program point L193-2(line 193) no Hoare annotation was computed. [2022-11-03 02:20:35,371 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-03 02:20:35,372 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-03 02:20:35,376 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-03 02:20:35,377 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-03 02:20:35,377 INFO L895 garLoopResultBuilder]: At program point L86-2(lines 86 301) the Hoare annotation is: (or (and (= |ULTIMATE.start_main_~state_9~0#1| |ULTIMATE.start_main_~var_8~0#1|) (= |ULTIMATE.start_main_~var_8~0#1| (_ bv0 32)) (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32))) [2022-11-03 02:20:35,378 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-03 02:20:35,378 INFO L899 garLoopResultBuilder]: For program point L86-3(lines 86 301) no Hoare annotation was computed. [2022-11-03 02:20:35,378 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-03 02:20:35,378 INFO L899 garLoopResultBuilder]: For program point L227(line 227) no Hoare annotation was computed. [2022-11-03 02:20:35,379 INFO L899 garLoopResultBuilder]: For program point L227-2(line 227) no Hoare annotation was computed. [2022-11-03 02:20:35,379 INFO L899 garLoopResultBuilder]: For program point L289(line 289) no Hoare annotation was computed. [2022-11-03 02:20:35,379 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:20:35,380 INFO L899 garLoopResultBuilder]: For program point L289-2(line 289) no Hoare annotation was computed. [2022-11-03 02:20:35,380 INFO L899 garLoopResultBuilder]: For program point L285(line 285) no Hoare annotation was computed. [2022-11-03 02:20:35,380 INFO L899 garLoopResultBuilder]: For program point L285-2(line 285) no Hoare annotation was computed. [2022-11-03 02:20:35,382 INFO L895 garLoopResultBuilder]: At program point L302(lines 22 303) the Hoare annotation is: false [2022-11-03 02:20:35,382 INFO L899 garLoopResultBuilder]: For program point L261(line 261) no Hoare annotation was computed. [2022-11-03 02:20:35,383 INFO L899 garLoopResultBuilder]: For program point L261-2(line 261) no Hoare annotation was computed. [2022-11-03 02:20:35,391 INFO L899 garLoopResultBuilder]: For program point L249(line 249) no Hoare annotation was computed. [2022-11-03 02:20:35,391 INFO L899 garLoopResultBuilder]: For program point L249-2(line 249) no Hoare annotation was computed. [2022-11-03 02:20:35,392 INFO L899 garLoopResultBuilder]: For program point L237(line 237) no Hoare annotation was computed. [2022-11-03 02:20:35,393 INFO L899 garLoopResultBuilder]: For program point L237-2(line 237) no Hoare annotation was computed. [2022-11-03 02:20:35,400 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-03 02:20:35,406 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:20:35,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:20:35 BoogieIcfgContainer [2022-11-03 02:20:35,421 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:20:35,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:20:35,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:20:35,422 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:20:35,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:20:34" (3/4) ... [2022-11-03 02:20:35,427 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:20:35,444 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-03 02:20:35,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-03 02:20:35,446 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:20:35,501 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.witnessprinter has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:59) at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromStep(CACSLBacktranslationValueProvider.java:1) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.GeneratedWitnessEdge.getSourceCode(GeneratedWitnessEdge.java:153) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.lambda$2(CorrectnessWitnessGenerator.java:95) at edu.uci.ics.jung.io.GraphMLWriter.writeEdgeData(GraphMLWriter.java:237) at de.uni_freiburg.informatik.ultimate.witnessprinter.graphml.UltimateGraphMLWriter.save(UltimateGraphMLWriter.java:106) at de.uni_freiburg.informatik.ultimate.witnessprinter.CorrectnessWitnessGenerator.makeGraphMLString(CorrectnessWitnessGenerator.java:115) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.generateProofWitness(WitnessPrinter.java:158) at de.uni_freiburg.informatik.ultimate.witnessprinter.WitnessPrinter.finish(WitnessPrinter.java:138) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:131) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-03 02:20:35,506 INFO L158 Benchmark]: Toolchain (without parser) took 3011.04ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 60.4MB in the beginning and 89.2MB in the end (delta: -28.8MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,506 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:20:35,507 INFO L158 Benchmark]: CACSL2BoogieTranslator took 532.97ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 61.8MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,507 INFO L158 Benchmark]: Boogie Procedure Inliner took 107.38ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 58.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,508 INFO L158 Benchmark]: Boogie Preprocessor took 91.96ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 56.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,508 INFO L158 Benchmark]: RCFGBuilder took 845.06ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 32.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,509 INFO L158 Benchmark]: TraceAbstraction took 1342.08ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 31.2MB in the beginning and 92.9MB in the end (delta: -61.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,510 INFO L158 Benchmark]: Witness Printer took 83.52ms. Allocated memory is still 115.3MB. Free memory was 92.9MB in the beginning and 89.2MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:20:35,519 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 56.6MB. Free memory is still 36.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 532.97ms. Allocated memory is still 83.9MB. Free memory was 60.2MB in the beginning and 61.8MB in the end (delta: -1.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 107.38ms. Allocated memory is still 83.9MB. Free memory was 61.8MB in the beginning and 58.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 91.96ms. Allocated memory is still 83.9MB. Free memory was 58.9MB in the beginning and 56.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 845.06ms. Allocated memory is still 83.9MB. Free memory was 56.7MB in the beginning and 32.1MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1342.08ms. Allocated memory was 83.9MB in the beginning and 115.3MB in the end (delta: 31.5MB). Free memory was 31.2MB in the beginning and 92.9MB in the end (delta: -61.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 83.52ms. Allocated memory is still 115.3MB. Free memory was 92.9MB in the beginning and 89.2MB in the end (delta: 3.6MB). 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: 20]: 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, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 105 mSDsluCounter, 67 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 34 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 4 NumberOfFragments, 15 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 36 NumberOfNonLiveVariables, 113 ConjunctsInSsa, 33 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 86]: Loop Invariant Derived loop invariant: ((state_9 == var_8 && var_8 == 0bv32) && 1bv8 == mask_SORT_3) || cond == 1bv32 * Results from de.uni_freiburg.informatik.ultimate.witnessprinter: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.witnessprinter: NullPointerException: null: de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSLBacktranslationValueProvider.getStringFromIASTNode(CACSLBacktranslationValueProvider.java:78) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-03 02:20:35,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8eaf5200-6088-4e93-8d36-adc483d57fa0/bin/utaipan-7li7fVZpFI/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: ERROR: ExceptionOrErrorResult: NullPointerException: null