./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 --- 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-b5237d8 [2022-11-21 17:28:23,745 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:28:23,747 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:28:23,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:28:23,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:28:23,770 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:28:23,771 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:28:23,773 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:28:23,775 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:28:23,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:28:23,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:28:23,778 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:28:23,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:28:23,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:28:23,781 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:28:23,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:28:23,783 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:28:23,784 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:28:23,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:28:23,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:28:23,788 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:28:23,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:28:23,792 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:28:23,793 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:28:23,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:28:23,797 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:28:23,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:28:23,798 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:28:23,799 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:28:23,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:28:23,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:28:23,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:28:23,802 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:28:23,803 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:28:23,804 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:28:23,804 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:28:23,805 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:28:23,806 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:28:23,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:28:23,818 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:28:23,819 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:28:23,820 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-21 17:28:23,865 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:28:23,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:28:23,866 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:28:23,866 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:28:23,867 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:28:23,868 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:28:23,868 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:28:23,868 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:28:23,869 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:28:23,869 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:28:23,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 17:28:23,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:28:23,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:28:23,870 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:28:23,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:28:23,871 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:28:23,871 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:28:23,871 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:28:23,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:28:23,872 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:28:23,872 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:28:23,872 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:23,872 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:28:23,873 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:28:23,873 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:28:23,873 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 17:28:23,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 17:28:23,873 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:28:23,874 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:28:23,874 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:28:23,874 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_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 [2022-11-21 17:28:24,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:28:24,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:28:24,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:28:24,215 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:28:24,216 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:28:24,217 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:27,217 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:28:27,436 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:28:27,437 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:27,447 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/ff8aa343a/bea1ff22d90d4c0993ae6977557c48ee/FLAGd34a6dd8e [2022-11-21 17:28:27,465 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/ff8aa343a/bea1ff22d90d4c0993ae6977557c48ee [2022-11-21 17:28:27,468 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:28:27,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:28:27,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:27,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:28:27,477 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:28:27,477 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@101dfd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27, skipping insertion in model container [2022-11-21 17:28:27,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,486 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:28:27,519 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:28:27,647 WARN L237 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_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-21 17:28:27,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:27,766 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:28:27,775 WARN L237 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_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-21 17:28:27,847 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:27,860 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:28:27,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27 WrapperNode [2022-11-21 17:28:27,860 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:27,861 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:27,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:28:27,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:28:27,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,883 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,964 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2022-11-21 17:28:27,965 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:27,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:28:27,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:28:27,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:28:27,973 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,992 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,996 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:27,999 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:28,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:28,007 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:28:28,008 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:28:28,008 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:28:28,008 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:28:28,009 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (1/1) ... [2022-11-21 17:28:28,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:28,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:28,063 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:28:28,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:28:28,105 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:28:28,106 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:28:28,262 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:28:28,264 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:28:29,389 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:28:29,395 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:28:29,395 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:28:29,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:29 BoogieIcfgContainer [2022-11-21 17:28:29,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:28:29,406 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:28:29,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:28:29,410 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:28:29,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:28:27" (1/3) ... [2022-11-21 17:28:29,412 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3e9c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:29, skipping insertion in model container [2022-11-21 17:28:29,412 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:27" (2/3) ... [2022-11-21 17:28:29,414 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a3e9c43 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:29, skipping insertion in model container [2022-11-21 17:28:29,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:29" (3/3) ... [2022-11-21 17:28:29,419 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:29,439 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:28:29,439 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:28:29,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:28:29,508 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@43f50d4e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:28:29,509 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:28:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:28:29,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 17:28:29,520 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:29,520 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 17:28:29,521 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:29,525 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 17:28:29,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 17:28:29,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898760097] [2022-11-21 17:28:29,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 17:28:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:28:30,524 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-21 17:28:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-21 17:28:31,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-21 17:28:31,193 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-21 17:28:31,198 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:28:31,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 17:28:31,205 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-21 17:28:31,210 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:28:31,249 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-21 17:28:31,268 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:28:31 BoogieIcfgContainer [2022-11-21 17:28:31,268 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:28:31,270 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:28:31,270 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:28:31,271 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:28:31,271 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:29" (3/4) ... [2022-11-21 17:28:31,277 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-21 17:28:31,277 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:28:31,278 INFO L158 Benchmark]: Toolchain (without parser) took 3808.72ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 106.9MB in the beginning and 91.2MB in the end (delta: 15.7MB). Peak memory consumption was 48.6MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,279 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:28:31,280 INFO L158 Benchmark]: CACSL2BoogieTranslator took 389.72ms. Allocated memory is still 148.9MB. Free memory was 106.9MB in the beginning and 87.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,281 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.21ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 82.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,282 INFO L158 Benchmark]: Boogie Preprocessor took 41.63ms. Allocated memory is still 148.9MB. Free memory was 82.8MB in the beginning and 80.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,287 INFO L158 Benchmark]: RCFGBuilder took 1389.50ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 80.0MB in the beginning and 75.3MB in the end (delta: 4.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,289 INFO L158 Benchmark]: TraceAbstraction took 1862.15ms. Allocated memory is still 180.4MB. Free memory was 74.2MB in the beginning and 91.2MB in the end (delta: -17.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. [2022-11-21 17:28:31,289 INFO L158 Benchmark]: Witness Printer took 7.13ms. Allocated memory is still 180.4MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:28:31,297 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 148.9MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 389.72ms. Allocated memory is still 148.9MB. Free memory was 106.9MB in the beginning and 87.7MB in the end (delta: 19.2MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.21ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 82.8MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.63ms. Allocated memory is still 148.9MB. Free memory was 82.8MB in the beginning and 80.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1389.50ms. Allocated memory was 148.9MB in the beginning and 180.4MB in the end (delta: 31.5MB). Free memory was 80.0MB in the beginning and 75.3MB in the end (delta: 4.8MB). Peak memory consumption was 73.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1862.15ms. Allocated memory is still 180.4MB. Free memory was 74.2MB in the beginning and 91.2MB in the end (delta: -17.0MB). Peak memory consumption was 32.3MB. Max. memory is 16.1GB. * Witness Printer took 7.13ms. Allocated memory is still 180.4MB. Free memory is still 91.2MB. There was no memory consumed. 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 206, overapproximation of bitwiseOr at line 132, overapproximation of bitwiseAnd at line 84. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L32] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L34] const SORT_1 var_6 = 0; [L35] const SORT_9 var_11 = 1; [L36] const SORT_1 var_28 = 1; [L37] const SORT_3 var_59 = 0; [L38] const SORT_3 var_62 = 27; [L39] const SORT_3 var_71 = 85; [L40] const SORT_3 var_74 = 67; [L41] const SORT_3 var_77 = 78; [L43] SORT_1 input_2; [L44] SORT_3 input_4; [L45] SORT_1 input_5; [L46] SORT_3 input_65; [L47] SORT_1 input_70; [L48] SORT_1 input_82; [L49] SORT_1 input_85; [L50] SORT_1 input_89; [L51] SORT_1 input_98; [L52] SORT_1 input_101; [L53] SORT_1 input_105; [L54] SORT_1 input_114; [L55] SORT_1 input_117; [L56] SORT_1 input_121; [L57] SORT_1 input_130; [L58] SORT_1 input_133; [L60] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L65] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L67] SORT_1 init_8_arg_1 = var_6; [L68] state_7 = init_8_arg_1 [L69] SORT_1 init_14_arg_1 = var_6; [L70] state_13 = init_14_arg_1 [L71] SORT_1 init_21_arg_1 = var_6; [L72] state_20 = init_21_arg_1 [L73] SORT_1 init_30_arg_1 = var_28; [L74] state_29 = init_30_arg_1 [L75] SORT_3 init_61_arg_1 = var_59; [L76] state_60 = init_61_arg_1 [L77] SORT_3 init_69_arg_1 = var_59; [L78] state_68 = init_69_arg_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_11=1, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_5 = __VERIFIER_nondet_uchar() [L84] input_5 = input_5 & mask_SORT_1 [L85] input_65 = __VERIFIER_nondet_uchar() [L86] input_70 = __VERIFIER_nondet_uchar() [L87] input_82 = __VERIFIER_nondet_uchar() [L88] input_85 = __VERIFIER_nondet_uchar() [L89] input_89 = __VERIFIER_nondet_uchar() [L90] input_98 = __VERIFIER_nondet_uchar() [L91] input_101 = __VERIFIER_nondet_uchar() [L92] input_105 = __VERIFIER_nondet_uchar() [L93] input_114 = __VERIFIER_nondet_uchar() [L94] input_117 = __VERIFIER_nondet_uchar() [L95] input_121 = __VERIFIER_nondet_uchar() [L96] input_130 = __VERIFIER_nondet_uchar() [L97] input_133 = __VERIFIER_nondet_uchar() [L100] SORT_1 var_10_arg_0 = state_7; [L101] var_10_arg_0 = var_10_arg_0 & mask_SORT_1 [L102] SORT_9 var_10 = var_10_arg_0; [L103] SORT_9 var_12_arg_0 = var_10; [L104] SORT_9 var_12_arg_1 = var_11; [L105] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L106] SORT_1 var_15_arg_0 = state_13; [L107] var_15_arg_0 = var_15_arg_0 & mask_SORT_1 [L108] SORT_9 var_15 = var_15_arg_0; [L109] SORT_9 var_16_arg_0 = var_15; [L110] SORT_9 var_16_arg_1 = var_11; [L111] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L112] SORT_1 var_17_arg_0 = var_12; [L113] SORT_1 var_17_arg_1 = var_16; [L114] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L115] SORT_1 var_18_arg_0 = state_7; [L116] var_18_arg_0 = var_18_arg_0 & mask_SORT_1 [L117] SORT_9 var_18 = var_18_arg_0; [L118] SORT_9 var_19_arg_0 = var_18; [L119] SORT_9 var_19_arg_1 = var_11; [L120] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L121] SORT_1 var_22_arg_0 = state_20; [L122] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 [L123] SORT_9 var_22 = var_22_arg_0; [L124] SORT_9 var_23_arg_0 = var_22; [L125] SORT_9 var_23_arg_1 = var_11; [L126] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L127] SORT_1 var_24_arg_0 = var_19; [L128] SORT_1 var_24_arg_1 = var_23; [L129] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L130] SORT_1 var_25_arg_0 = var_17; [L131] SORT_1 var_25_arg_1 = var_24; [L132] SORT_1 var_25 = var_25_arg_0 | var_25_arg_1; [L133] SORT_1 var_26_arg_0 = state_7; [L134] var_26_arg_0 = var_26_arg_0 & mask_SORT_1 [L135] SORT_9 var_26 = var_26_arg_0; [L136] SORT_9 var_27_arg_0 = var_26; [L137] SORT_9 var_27_arg_1 = var_11; [L138] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L139] SORT_1 var_31_arg_0 = state_29; [L140] var_31_arg_0 = var_31_arg_0 & mask_SORT_1 [L141] SORT_9 var_31 = var_31_arg_0; [L142] SORT_9 var_32_arg_0 = var_31; [L143] SORT_9 var_32_arg_1 = var_11; [L144] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L145] SORT_1 var_33_arg_0 = var_27; [L146] SORT_1 var_33_arg_1 = var_32; [L147] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L148] SORT_1 var_34_arg_0 = var_25; [L149] SORT_1 var_34_arg_1 = var_33; [L150] SORT_1 var_34 = var_34_arg_0 | var_34_arg_1; [L151] SORT_1 var_35_arg_0 = state_13; [L152] var_35_arg_0 = var_35_arg_0 & mask_SORT_1 [L153] SORT_9 var_35 = var_35_arg_0; [L154] SORT_9 var_36_arg_0 = var_35; [L155] SORT_9 var_36_arg_1 = var_11; [L156] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L157] SORT_1 var_37_arg_0 = state_20; [L158] var_37_arg_0 = var_37_arg_0 & mask_SORT_1 [L159] SORT_9 var_37 = var_37_arg_0; [L160] SORT_9 var_38_arg_0 = var_37; [L161] SORT_9 var_38_arg_1 = var_11; [L162] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L163] SORT_1 var_39_arg_0 = var_36; [L164] SORT_1 var_39_arg_1 = var_38; [L165] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L166] SORT_1 var_40_arg_0 = var_34; [L167] SORT_1 var_40_arg_1 = var_39; [L168] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L169] SORT_1 var_41_arg_0 = state_13; [L170] var_41_arg_0 = var_41_arg_0 & mask_SORT_1 [L171] SORT_9 var_41 = var_41_arg_0; [L172] SORT_9 var_42_arg_0 = var_41; [L173] SORT_9 var_42_arg_1 = var_11; [L174] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L175] SORT_1 var_43_arg_0 = state_29; [L176] var_43_arg_0 = var_43_arg_0 & mask_SORT_1 [L177] SORT_9 var_43 = var_43_arg_0; [L178] SORT_9 var_44_arg_0 = var_43; [L179] SORT_9 var_44_arg_1 = var_11; [L180] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L181] SORT_1 var_45_arg_0 = var_42; [L182] SORT_1 var_45_arg_1 = var_44; [L183] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L184] SORT_1 var_46_arg_0 = var_40; [L185] SORT_1 var_46_arg_1 = var_45; [L186] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L187] SORT_1 var_47_arg_0 = state_20; [L188] var_47_arg_0 = var_47_arg_0 & mask_SORT_1 [L189] SORT_9 var_47 = var_47_arg_0; [L190] SORT_9 var_48_arg_0 = var_47; [L191] SORT_9 var_48_arg_1 = var_11; [L192] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L193] SORT_1 var_49_arg_0 = state_29; [L194] var_49_arg_0 = var_49_arg_0 & mask_SORT_1 [L195] SORT_9 var_49 = var_49_arg_0; [L196] SORT_9 var_50_arg_0 = var_49; [L197] SORT_9 var_50_arg_1 = var_11; [L198] SORT_1 var_50 = var_50_arg_0 == var_50_arg_1; [L199] SORT_1 var_51_arg_0 = var_48; [L200] SORT_1 var_51_arg_1 = var_50; [L201] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L202] SORT_1 var_52_arg_0 = var_46; [L203] SORT_1 var_52_arg_1 = var_51; [L204] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L205] SORT_1 var_53_arg_0 = var_52; [L206] SORT_1 var_53 = ~var_53_arg_0; [L207] SORT_1 var_56_arg_0 = var_53; [L208] SORT_1 var_56 = ~var_56_arg_0; [L209] SORT_1 var_57_arg_0 = var_28; [L210] SORT_1 var_57_arg_1 = var_56; [L211] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; [L212] var_57 = var_57 & mask_SORT_1 [L213] SORT_1 bad_58_arg_0 = var_57; [L214] CALL __VERIFIER_assert(!(bad_58_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, 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=11occurred 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, 0.9s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 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 [2022-11-21 17:28:31,321 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 --- 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-b5237d8 [2022-11-21 17:28:33,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 17:28:33,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 17:28:33,847 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 17:28:33,848 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 17:28:33,852 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 17:28:33,854 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 17:28:33,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 17:28:33,860 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 17:28:33,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 17:28:33,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 17:28:33,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 17:28:33,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 17:28:33,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 17:28:33,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 17:28:33,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 17:28:33,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 17:28:33,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 17:28:33,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 17:28:33,888 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 17:28:33,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 17:28:33,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 17:28:33,894 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 17:28:33,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 17:28:33,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 17:28:33,904 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 17:28:33,905 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 17:28:33,906 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 17:28:33,907 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 17:28:33,908 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 17:28:33,908 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 17:28:33,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 17:28:33,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 17:28:33,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 17:28:33,913 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 17:28:33,922 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 17:28:33,923 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 17:28:33,923 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 17:28:33,923 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 17:28:33,924 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 17:28:33,925 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 17:28:33,930 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-21 17:28:33,973 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 17:28:33,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 17:28:33,974 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 17:28:33,974 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 17:28:33,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 17:28:33,976 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 17:28:33,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 17:28:33,976 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 17:28:33,977 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 17:28:33,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 17:28:33,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 17:28:33,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 17:28:33,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 17:28:33,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 17:28:33,979 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-21 17:28:33,979 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-21 17:28:33,979 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-21 17:28:33,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 17:28:33,979 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 17:28:33,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 17:28:33,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 17:28:33,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 17:28:33,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 17:28:33,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:33,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 17:28:33,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 17:28:33,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 17:28:33,981 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-21 17:28:33,982 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-21 17:28:33,982 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 17:28:33,982 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 17:28:33,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 17:28:33,983 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-21 17:28:33,983 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_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 [2022-11-21 17:28:34,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 17:28:34,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 17:28:34,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 17:28:34,407 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 17:28:34,408 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 17:28:34,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:37,350 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 17:28:37,610 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 17:28:37,611 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:37,621 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/acddffacc/6bcd7b3d3d0a40c9940d643b8f7ed2fd/FLAG6fcd7b11e [2022-11-21 17:28:37,639 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/data/acddffacc/6bcd7b3d3d0a40c9940d643b8f7ed2fd [2022-11-21 17:28:37,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 17:28:37,643 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 17:28:37,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:37,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 17:28:37,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 17:28:37,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:37" (1/1) ... [2022-11-21 17:28:37,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79d8fb7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:37, skipping insertion in model container [2022-11-21 17:28:37,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:28:37" (1/1) ... [2022-11-21 17:28:37,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 17:28:37,688 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 17:28:37,827 WARN L237 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_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-21 17:28:37,967 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:37,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 17:28:38,001 WARN L237 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_02689035-e648-4b5e-afa5-fb115955caed/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-21 17:28:38,106 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 17:28:38,119 INFO L208 MainTranslator]: Completed translation [2022-11-21 17:28:38,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38 WrapperNode [2022-11-21 17:28:38,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 17:28:38,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:38,121 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 17:28:38,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 17:28:38,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,185 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2022-11-21 17:28:38,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 17:28:38,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 17:28:38,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 17:28:38,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 17:28:38,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,211 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,211 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,230 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,232 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 17:28:38,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 17:28:38,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 17:28:38,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 17:28:38,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (1/1) ... [2022-11-21 17:28:38,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 17:28:38,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 17:28:38,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 17:28:38,287 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 17:28:38,335 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 17:28:38,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 17:28:38,572 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 17:28:38,574 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 17:28:39,123 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 17:28:39,130 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 17:28:39,130 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-21 17:28:39,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:39 BoogieIcfgContainer [2022-11-21 17:28:39,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 17:28:39,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 17:28:39,134 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 17:28:39,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 17:28:39,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:28:37" (1/3) ... [2022-11-21 17:28:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9eab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:39, skipping insertion in model container [2022-11-21 17:28:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:28:38" (2/3) ... [2022-11-21 17:28:39,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9eab7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:28:39, skipping insertion in model container [2022-11-21 17:28:39,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:39" (3/3) ... [2022-11-21 17:28:39,141 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vlunc.c [2022-11-21 17:28:39,158 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 17:28:39,159 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-21 17:28:39,204 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 17:28:39,211 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@65f6e898, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 17:28:39,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-21 17:28:39,215 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:28:39,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 17:28:39,222 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:39,222 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 17:28:39,223 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:39,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:39,228 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-21 17:28:39,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:39,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079699336] [2022-11-21 17:28:39,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:39,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:39,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:39,250 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:39,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-21 17:28:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:39,446 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-21 17:28:39,456 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:40,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:40,154 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 17:28:40,155 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:40,155 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079699336] [2022-11-21 17:28:40,156 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079699336] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 17:28:40,156 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 17:28:40,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-21 17:28:40,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558985238] [2022-11-21 17:28:40,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 17:28:40,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 17:28:40,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:40,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 17:28:40,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 17:28:40,217 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 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) [2022-11-21 17:28:40,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:40,339 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-21 17:28:40,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-21 17:28:40,344 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 [2022-11-21 17:28:40,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:40,352 INFO L225 Difference]: With dead ends: 20 [2022-11-21 17:28:40,353 INFO L226 Difference]: Without dead ends: 11 [2022-11-21 17:28:40,358 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 [2022-11-21 17:28:40,363 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:40,364 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:28:40,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-21 17:28:40,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-21 17:28:40,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 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) [2022-11-21 17:28:40,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-21 17:28:40,397 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-21 17:28:40,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:40,397 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-21 17:28:40,398 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) [2022-11-21 17:28:40,398 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-21 17:28:40,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-21 17:28:40,399 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:40,399 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-21 17:28:40,418 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:40,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:40,611 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:40,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:40,612 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-21 17:28:40,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:40,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1401256821] [2022-11-21 17:28:40,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 17:28:40,614 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:40,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:40,616 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:40,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-21 17:28:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 17:28:40,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-21 17:28:40,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:42,002 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:42,002 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:28:46,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:46,115 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:46,115 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1401256821] [2022-11-21 17:28:46,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1401256821] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:28:46,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:28:46,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-21 17:28:46,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204039294] [2022-11-21 17:28:46,116 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:28:46,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 17:28:46,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:46,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 17:28:46,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-21 17:28:46,119 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-21 17:28:46,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:46,328 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-21 17:28:46,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-21 17:28:46,329 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 8 [2022-11-21 17:28:46,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:46,329 INFO L225 Difference]: With dead ends: 16 [2022-11-21 17:28:46,329 INFO L226 Difference]: Without dead ends: 14 [2022-11-21 17:28:46,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:28:46,331 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 17 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:46,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 18 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:28:46,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-21 17:28:46,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-21 17:28:46,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 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) [2022-11-21 17:28:46,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-21 17:28:46,338 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-21 17:28:46,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:46,340 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-21 17:28:46,341 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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) [2022-11-21 17:28:46,341 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-21 17:28:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-21 17:28:46,342 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:46,342 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-21 17:28:46,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-21 17:28:46,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:46,556 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:46,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:46,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-21 17:28:46,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:46,559 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [974529978] [2022-11-21 17:28:46,559 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-21 17:28:46,559 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:46,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:46,561 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:46,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-21 17:28:46,971 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-21 17:28:46,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:28:46,988 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 174 conjunts are in the unsatisfiable core [2022-11-21 17:28:46,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:28:48,390 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:48,390 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:28:55,901 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 17:28:55,901 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:28:55,902 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [974529978] [2022-11-21 17:28:55,902 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [974529978] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:28:55,902 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:28:55,902 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-21 17:28:55,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958426470] [2022-11-21 17:28:55,903 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:28:55,903 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-21 17:28:55,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:28:55,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-21 17:28:55,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:28:55,905 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2022-11-21 17:28:56,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:28:56,229 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-21 17:28:56,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 17:28:56,230 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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 11 [2022-11-21 17:28:56,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:28:56,231 INFO L225 Difference]: With dead ends: 19 [2022-11-21 17:28:56,231 INFO L226 Difference]: Without dead ends: 17 [2022-11-21 17:28:56,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-11-21 17:28:56,232 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 21 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 17:28:56,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 22 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 17:28:56,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-21 17:28:56,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-21 17:28:56,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 17:28:56,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-21 17:28:56,238 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-21 17:28:56,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:28:56,238 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-21 17:28:56,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 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) [2022-11-21 17:28:56,238 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-21 17:28:56,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-21 17:28:56,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 17:28:56,239 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-21 17:28:56,259 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-21 17:28:56,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:56,454 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-21 17:28:56,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 17:28:56,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-21 17:28:56,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-21 17:28:56,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [568724772] [2022-11-21 17:28:56,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-21 17:28:56,457 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:28:56,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat [2022-11-21 17:28:56,465 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-21 17:28:56,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-21 17:28:56,904 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-21 17:28:56,904 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-21 17:28:56,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 385 conjunts are in the unsatisfiable core [2022-11-21 17:28:56,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 17:29:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 17:29:22,012 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 17:29:57,516 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-21 17:29:57,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-21 17:29:57,517 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [568724772] [2022-11-21 17:29:57,517 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [568724772] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 17:29:57,517 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-21 17:29:57,518 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-21 17:29:57,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779193742] [2022-11-21 17:29:57,518 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-21 17:29:57,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-21 17:29:57,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-21 17:29:57,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-21 17:29:57,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2022-11-21 17:29:57,520 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-21 17:29:58,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 17:29:58,231 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-21 17:29:58,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 17:29:58,233 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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 14 [2022-11-21 17:29:58,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 17:29:58,234 INFO L225 Difference]: With dead ends: 15 [2022-11-21 17:29:58,234 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 17:29:58,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2022-11-21 17:29:58,235 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 7 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 17:29:58,236 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 17:29:58,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 17:29:58,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 17:29:58,237 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) [2022-11-21 17:29:58,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 17:29:58,237 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-21 17:29:58,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 17:29:58,238 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 17:29:58,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 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) [2022-11-21 17:29:58,238 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 17:29:58,238 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 17:29:58,241 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-21 17:29:58,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-21 17:29:58,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-21 17:29:58,456 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 17:29:58,798 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 17:29:58,799 INFO L895 garLoopResultBuilder]: At program point L79-2(lines 79 422) the Hoare annotation is: (let ((.cse0 (= (_ bv85 8) |ULTIMATE.start_main_~var_71~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse2 (= |ULTIMATE.start_main_~var_74~0#1| (_ bv67 8))) (.cse7 (= |ULTIMATE.start_main_~var_77~0#1| (_ bv78 8))) (.cse8 (= |ULTIMATE.start_main_~var_11~0#1| (_ bv1 32))) (.cse9 (= |ULTIMATE.start_main_~var_6~0#1| (_ bv0 8))) (.cse10 (= (_ bv1 8) |ULTIMATE.start_main_~var_28~0#1|))) (or (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (let ((.cse3 (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~state_13~0#1|) .cse6))) |ULTIMATE.start_main_~var_11~0#1|))) (.cse4 (not (= |ULTIMATE.start_main_~var_11~0#1| ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~state_20~0#1|) .cse6)))))) (.cse5 (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~state_7~0#1|) .cse6))) |ULTIMATE.start_main_~var_11~0#1|)))) (or (and .cse3 .cse4 .cse5) (and (or (and .cse3 .cse4) (and (or .cse3 .cse4) .cse5)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |ULTIMATE.start_main_~state_29~0#1|) .cse6))) |ULTIMATE.start_main_~var_11~0#1|))))) .cse7 .cse8 .cse9 (exists ((|v_ULTIMATE.start_main_#t~nondet8#1_9| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_#t~nondet8#1_9|) .cse6)) |ULTIMATE.start_main_~input_5~0#1|)) .cse10)) (and .cse0 .cse1 (= (_ bv27 8) |ULTIMATE.start_main_~var_62~0#1|) .cse2 (= |ULTIMATE.start_main_~var_59~0#1| |ULTIMATE.start_main_~state_68~0#1|) (= |ULTIMATE.start_main_~var_59~0#1| |ULTIMATE.start_main_~state_60~0#1|) .cse7 (= (_ bv0 8) |ULTIMATE.start_main_~state_13~0#1|) .cse8 (= |ULTIMATE.start_main_~state_7~0#1| |ULTIMATE.start_main_~var_6~0#1|) (= |ULTIMATE.start_main_~var_6~0#1| |ULTIMATE.start_main_~state_20~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_60~0#1|) .cse9 .cse10))) [2022-11-21 17:29:58,799 INFO L899 garLoopResultBuilder]: For program point L79-3(lines 79 422) no Hoare annotation was computed. [2022-11-21 17:29:58,799 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 17:29:58,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 17:29:58,799 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 17:29:58,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-21 17:29:58,800 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-21 17:29:58,800 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-21 17:29:58,800 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-21 17:29:58,800 INFO L895 garLoopResultBuilder]: At program point L423(lines 22 424) the Hoare annotation is: false [2022-11-21 17:29:58,803 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-21 17:29:58,805 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 17:29:58,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] [2022-11-21 17:29:58,820 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] [2022-11-21 17:29:58,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:29:58 BoogieIcfgContainer [2022-11-21 17:29:58,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 17:29:58,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 17:29:58,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 17:29:58,823 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 17:29:58,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:28:39" (3/4) ... [2022-11-21 17:29:58,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 17:29:58,840 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-21 17:29:58,841 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-21 17:29:58,842 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 17:29:58,867 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((85bv8 == var_71 && 1bv8 == mask_SORT_1) && var_74 == 67bv8) && cond == 1bv32) && (((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) && !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_7), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11)) || (((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) && !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) || ((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) || !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_7), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_29), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11)))) && var_77 == 78bv8) && var_11 == 1bv32) && var_6 == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet8#1_9 : bv8 :: ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet8#1_9), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == input_5)) && 1bv8 == var_28) || (((((((((((((85bv8 == var_71 && 1bv8 == mask_SORT_1) && 27bv8 == var_62) && var_74 == 67bv8) && var_59 == state_68) && var_59 == state_60) && var_77 == 78bv8) && 0bv8 == state_13) && var_11 == 1bv32) && state_7 == var_6) && var_6 == state_20) && 0bv8 == state_60) && var_6 == 0bv8) && 1bv8 == var_28) [2022-11-21 17:29:58,913 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 17:29:58,913 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 17:29:58,914 INFO L158 Benchmark]: Toolchain (without parser) took 81270.82ms. Allocated memory was 75.5MB in the beginning and 736.1MB in the end (delta: 660.6MB). Free memory was 53.8MB in the beginning and 693.0MB in the end (delta: -639.2MB). Peak memory consumption was 22.7MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,914 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 17:29:58,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.40ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 51.0MB in the end (delta: 2.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.91ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 47.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,915 INFO L158 Benchmark]: Boogie Preprocessor took 42.91ms. Allocated memory is still 75.5MB. Free memory was 47.1MB in the beginning and 44.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,915 INFO L158 Benchmark]: RCFGBuilder took 895.01ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 49.3MB in the end (delta: -4.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,916 INFO L158 Benchmark]: TraceAbstraction took 79687.99ms. Allocated memory was 75.5MB in the beginning and 736.1MB in the end (delta: 660.6MB). Free memory was 48.5MB in the beginning and 700.3MB in the end (delta: -651.8MB). Peak memory consumption was 444.5MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,916 INFO L158 Benchmark]: Witness Printer took 90.25ms. Allocated memory is still 736.1MB. Free memory was 700.3MB in the beginning and 693.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 17:29:58,918 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 35.0MB in the end (delta: 44.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 475.40ms. Allocated memory is still 75.5MB. Free memory was 53.6MB in the beginning and 51.0MB in the end (delta: 2.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.91ms. Allocated memory is still 75.5MB. Free memory was 51.0MB in the beginning and 47.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.91ms. Allocated memory is still 75.5MB. Free memory was 47.1MB in the beginning and 44.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 895.01ms. Allocated memory is still 75.5MB. Free memory was 44.5MB in the beginning and 49.3MB in the end (delta: -4.9MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB. * TraceAbstraction took 79687.99ms. Allocated memory was 75.5MB in the beginning and 736.1MB in the end (delta: 660.6MB). Free memory was 48.5MB in the beginning and 700.3MB in the end (delta: -651.8MB). Peak memory consumption was 444.5MB. Max. memory is 16.1GB. * Witness Printer took 90.25ms. Allocated memory is still 736.1MB. Free memory was 700.3MB in the beginning and 693.0MB in the end (delta: 7.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] * 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 79.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 49 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 62 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 57 IncrementalHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 15 mSDtfsCounter, 57 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 176 HoareAnnotationTreeSize, 2 FomulaSimplifications, 34 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 530 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 75.5s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 30 QuantifiedInterpolants, 6685 SizeOfPredicates, 805 NumberOfNonLiveVariables, 2195 ConjunctsInSsa, 761 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 14/48 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: 79]: Loop Invariant [2022-11-21 17:29:58,938 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] [2022-11-21 17:29:58,942 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_#t~nondet8#1_9,QUANTIFIED] Derived loop invariant: (((((((((85bv8 == var_71 && 1bv8 == mask_SORT_1) && var_74 == 67bv8) && cond == 1bv32) && (((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) && !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_7), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11)) || (((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) && !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) || ((!(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_13), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11) || !(var_11 == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_20), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_7), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11))) && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(state_29), ~zero_extendFrom8To32(mask_SORT_1))[7:0]) == var_11)))) && var_77 == 78bv8) && var_11 == 1bv32) && var_6 == 0bv8) && (\exists v_ULTIMATE.start_main_#t~nondet8#1_9 : bv8 :: ~bvand32(~zero_extendFrom8To32(v_ULTIMATE.start_main_#t~nondet8#1_9), ~zero_extendFrom8To32(mask_SORT_1))[7:0] == input_5)) && 1bv8 == var_28) || (((((((((((((85bv8 == var_71 && 1bv8 == mask_SORT_1) && 27bv8 == var_62) && var_74 == 67bv8) && var_59 == state_68) && var_59 == state_60) && var_77 == 78bv8) && 0bv8 == state_13) && var_11 == 1bv32) && state_7 == var_6) && var_6 == state_20) && 0bv8 == state_60) && var_6 == 0bv8) && 1bv8 == var_28) RESULT: Ultimate proved your program to be correct! [2022-11-21 17:29:58,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_02689035-e648-4b5e-afa5-fb115955caed/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE