./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro --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 cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- 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-8393723 [2022-11-18 20:36:18,594 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:36:18,596 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:36:18,624 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:36:18,625 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:36:18,626 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:36:18,627 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:36:18,629 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:36:18,635 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:36:18,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:36:18,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:36:18,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:36:18,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:36:18,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:36:18,651 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:36:18,652 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:36:18,652 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:36:18,653 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:36:18,655 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:36:18,657 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:36:18,658 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:36:18,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:36:18,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:36:18,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:36:18,678 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:36:18,678 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:36:18,678 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:36:18,679 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:36:18,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:36:18,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:36:18,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:36:18,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:36:18,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:36:18,682 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:36:18,683 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:36:18,683 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:36:18,684 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:36:18,684 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:36:18,685 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:36:18,685 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:36:18,686 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:36:18,687 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:36:18,721 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:36:18,724 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:36:18,725 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:36:18,725 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:36:18,726 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:36:18,726 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:36:18,727 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:36:18,727 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:36:18,727 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:36:18,727 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:36:18,728 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:36:18,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:36:18,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:36:18,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:36:18,729 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:36:18,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:36:18,730 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:36:18,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:36:18,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:36:18,730 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:36:18,731 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:36:18,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:18,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:36:18,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:36:18,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:36:18,732 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:36:18,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:36:18,733 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:36:18,734 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:36:18,734 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:36:18,734 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_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-18 20:36:19,013 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:36:19,051 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:36:19,054 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:36:19,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:36:19,057 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:36:19,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:19,135 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/11fb254c1/ec14b4ef24ec48bb9e6606668106d1fc/FLAG99de7dd2e [2022-11-18 20:36:19,719 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:36:19,720 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:19,738 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/11fb254c1/ec14b4ef24ec48bb9e6606668106d1fc/FLAG99de7dd2e [2022-11-18 20:36:20,023 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/11fb254c1/ec14b4ef24ec48bb9e6606668106d1fc [2022-11-18 20:36:20,026 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:36:20,029 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:36:20,033 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:20,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:36:20,037 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:36:20,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70219573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20, skipping insertion in model container [2022-11-18 20:36:20,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:36:20,102 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:36:20,333 WARN L234 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_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-18 20:36:20,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:20,545 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:36:20,567 WARN L234 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_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-18 20:36:20,680 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:20,703 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:36:20,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20 WrapperNode [2022-11-18 20:36:20,705 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:20,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:20,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:36:20,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:36:20,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,740 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,815 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 649 [2022-11-18 20:36:20,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:20,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:36:20,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:36:20,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:36:20,827 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,861 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,903 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:36:20,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:36:20,919 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:36:20,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:36:20,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (1/1) ... [2022-11-18 20:36:20,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:20,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:36:20,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:36:20,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:36:21,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:36:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:36:21,192 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:36:21,194 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:36:22,354 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:36:22,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:36:22,364 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:36:22,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:22 BoogieIcfgContainer [2022-11-18 20:36:22,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:36:22,371 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:36:22,372 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:36:22,375 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:36:22,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:36:20" (1/3) ... [2022-11-18 20:36:22,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504aec05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:22, skipping insertion in model container [2022-11-18 20:36:22,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:20" (2/3) ... [2022-11-18 20:36:22,377 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@504aec05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:22, skipping insertion in model container [2022-11-18 20:36:22,377 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:22" (3/3) ... [2022-11-18 20:36:22,379 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:22,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:36:22,397 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:36:22,462 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:36:22,468 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;@2bbbd56, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:36:22,469 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:36:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 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) [2022-11-18 20:36:22,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-18 20:36:22,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:22,479 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:22,480 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:22,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:22,485 INFO L85 PathProgramCache]: Analyzing trace with hash 1809713074, now seen corresponding path program 1 times [2022-11-18 20:36:22,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:22,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779291888] [2022-11-18 20:36:22,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:22,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:22,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:36:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:36:22,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779291888] [2022-11-18 20:36:22,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779291888] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:22,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:22,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:36:22,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734103298] [2022-11-18 20:36:22,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:22,953 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:36:22,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:36:22,987 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:36:22,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:36:22,992 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 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 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:36:23,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:23,128 INFO L93 Difference]: Finished difference Result 202 states and 332 transitions. [2022-11-18 20:36:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:36:23,131 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-18 20:36:23,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:23,146 INFO L225 Difference]: With dead ends: 202 [2022-11-18 20:36:23,147 INFO L226 Difference]: Without dead ends: 133 [2022-11-18 20:36:23,150 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 [2022-11-18 20:36:23,154 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 297 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 218 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:23,156 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 218 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:36:23,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-18 20:36:23,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 69. [2022-11-18 20:36:23,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 68 states have internal predecessors, (109), 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) [2022-11-18 20:36:23,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 109 transitions. [2022-11-18 20:36:23,211 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 109 transitions. Word has length 7 [2022-11-18 20:36:23,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:23,212 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 109 transitions. [2022-11-18 20:36:23,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:36:23,213 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2022-11-18 20:36:23,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:36:23,214 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:23,214 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:23,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:36:23,214 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:23,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:23,216 INFO L85 PathProgramCache]: Analyzing trace with hash 268255406, now seen corresponding path program 1 times [2022-11-18 20:36:23,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:36:23,217 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [184164511] [2022-11-18 20:36:23,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:23,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:36:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:36:23,316 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:36:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:36:23,391 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:36:23,392 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:36:23,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:36:23,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:36:23,399 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:36:23,403 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:36:23,440 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 20:36:23,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:36:23 BoogieIcfgContainer [2022-11-18 20:36:23,458 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:36:23,459 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:36:23,459 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:36:23,459 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:36:23,460 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:22" (3/4) ... [2022-11-18 20:36:23,463 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:36:23,463 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:36:23,465 INFO L158 Benchmark]: Toolchain (without parser) took 3435.51ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 100.8MB in the beginning and 124.8MB in the end (delta: -24.1MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,466 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:36:23,467 INFO L158 Benchmark]: CACSL2BoogieTranslator took 673.10ms. Allocated memory is still 136.3MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,467 INFO L158 Benchmark]: Boogie Procedure Inliner took 109.22ms. Allocated memory is still 136.3MB. Free memory was 99.4MB in the beginning and 92.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,468 INFO L158 Benchmark]: Boogie Preprocessor took 101.98ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 88.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,469 INFO L158 Benchmark]: RCFGBuilder took 1447.52ms. Allocated memory is still 136.3MB. Free memory was 88.2MB in the beginning and 73.7MB in the end (delta: 14.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,469 INFO L158 Benchmark]: TraceAbstraction took 1087.39ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 72.8MB in the beginning and 124.8MB in the end (delta: -52.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2022-11-18 20:36:23,469 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 192.9MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:36:23,475 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 94.4MB. Free memory was 67.1MB in the beginning and 67.1MB in the end (delta: 28.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 673.10ms. Allocated memory is still 136.3MB. Free memory was 100.5MB in the beginning and 99.4MB in the end (delta: 1.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 109.22ms. Allocated memory is still 136.3MB. Free memory was 99.4MB in the beginning and 92.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.98ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 88.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1447.52ms. Allocated memory is still 136.3MB. Free memory was 88.2MB in the beginning and 73.7MB in the end (delta: 14.6MB). Peak memory consumption was 56.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1087.39ms. Allocated memory was 136.3MB in the beginning and 192.9MB in the end (delta: 56.6MB). Free memory was 72.8MB in the beginning and 124.8MB in the end (delta: -52.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 192.9MB. Free memory is still 124.8MB. 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 65, overapproximation of bitwiseOr at line 68, overapproximation of bitwiseAnd at line 75. 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 - 2); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (2 - 1); [L31] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L32] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L34] const SORT_5 var_9 = 0; [L35] const SORT_1 var_26 = 1; [L36] const SORT_1 var_140 = 0; [L38] SORT_1 input_2; [L39] SORT_3 input_4; [L40] SORT_5 input_6; [L41] SORT_3 input_7; [L42] SORT_5 input_8; [L44] SORT_5 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L45] SORT_5 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L47] SORT_5 init_11_arg_1 = var_9; [L48] state_10 = init_11_arg_1 [L49] SORT_5 init_14_arg_1 = var_9; [L50] state_13 = init_14_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_140=0, var_26=1, var_9=0] [L53] input_2 = __VERIFIER_nondet_uchar() [L54] input_4 = __VERIFIER_nondet_uchar() [L55] input_6 = __VERIFIER_nondet_uchar() [L56] input_7 = __VERIFIER_nondet_uchar() [L57] input_8 = __VERIFIER_nondet_uchar() [L60] SORT_5 var_12_arg_0 = state_10; [L61] SORT_1 var_12 = var_12_arg_0 >> 0; [L62] SORT_5 var_15_arg_0 = state_13; [L63] SORT_1 var_15 = var_15_arg_0 >> 0; [L64] SORT_1 var_16_arg_0 = var_15; [L65] SORT_1 var_16 = ~var_16_arg_0; [L66] SORT_1 var_17_arg_0 = var_12; [L67] SORT_1 var_17_arg_1 = var_16; [L68] SORT_1 var_17 = var_17_arg_0 | var_17_arg_1; [L69] SORT_5 var_18_arg_0 = state_10; [L70] SORT_1 var_18 = var_18_arg_0 >> 1; [L71] SORT_1 var_19_arg_0 = var_18; [L72] SORT_1 var_19 = ~var_19_arg_0; [L73] SORT_1 var_20_arg_0 = var_12; [L74] SORT_1 var_20_arg_1 = var_19; [L75] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L76] SORT_1 var_21_arg_0 = var_20; [L77] SORT_1 var_21 = ~var_21_arg_0; [L78] SORT_1 var_22_arg_0 = var_21; [L79] SORT_1 var_22_arg_1 = var_15; [L80] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L81] SORT_1 var_23_arg_0 = var_17; [L82] SORT_1 var_23_arg_1 = var_22; [L83] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L84] SORT_1 var_27_arg_0 = var_23; [L85] SORT_1 var_27 = ~var_27_arg_0; [L86] SORT_1 var_28_arg_0 = var_26; [L87] SORT_1 var_28_arg_1 = var_27; [L88] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; VAL [init_11_arg_1=0, init_14_arg_1=0, input_2=3, input_4=7, input_6=4, input_7=5, input_8=6, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_12=0, var_12_arg_0=0, var_140=0, var_15=0, var_15_arg_0=0, var_16=2, var_16_arg_0=0, var_17=2, var_17_arg_0=0, var_17_arg_1=2, var_18=0, var_18_arg_0=0, var_19=1, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_20_arg_1=1, var_21=0, var_21_arg_0=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_23_arg_0=2, var_23_arg_1=0, var_26=1, var_27=2, var_27_arg_0=0, var_28=1, var_28_arg_0=1, var_28_arg_1=2, var_9=0] [L89] var_28 = var_28 & mask_SORT_1 VAL [init_11_arg_1=0, init_14_arg_1=0, input_2=3, input_4=7, input_6=4, input_7=5, input_8=6, mask_SORT_1=1, mask_SORT_3=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_3=2, msb_SORT_5=4, state_10=0, state_13=0, var_12=0, var_12_arg_0=0, var_140=0, var_15=0, var_15_arg_0=0, var_16=2, var_16_arg_0=0, var_17=2, var_17_arg_0=0, var_17_arg_1=2, var_18=0, var_18_arg_0=0, var_19=1, var_19_arg_0=0, var_20=0, var_20_arg_0=0, var_20_arg_1=1, var_21=0, var_21_arg_0=0, var_22=0, var_22_arg_0=0, var_22_arg_1=0, var_23=0, var_23_arg_0=2, var_23_arg_1=0, var_26=1, var_27=2, var_27_arg_0=0, var_28=1, var_28_arg_0=1, var_28_arg_1=2, var_9=0] [L90] SORT_1 bad_29_arg_0 = var_28; [L91] CALL __VERIFIER_assert(!(bad_29_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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 297 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 297 mSDsluCounter, 218 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 108 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 110 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 64 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 11 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-18 20:36:23,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro --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 cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b --- 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-8393723 [2022-11-18 20:36:25,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:36:25,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:36:25,808 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:36:25,809 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:36:25,812 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:36:25,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:36:25,821 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:36:25,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:36:25,829 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:36:25,830 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:36:25,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:36:25,833 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:36:25,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:36:25,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:36:25,841 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:36:25,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:36:25,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:36:25,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:36:25,849 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:36:25,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:36:25,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:36:25,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:36:25,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:36:25,865 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:36:25,869 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:36:25,869 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:36:25,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:36:25,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:36:25,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:36:25,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:36:25,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:36:25,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:36:25,877 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:36:25,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:36:25,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:36:25,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:36:25,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:36:25,880 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:36:25,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:36:25,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:36:25,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:36:25,926 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:36:25,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:36:25,928 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:36:25,928 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:36:25,929 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:36:25,929 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:36:25,930 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:36:25,930 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:36:25,931 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:36:25,931 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:36:25,932 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:36:25,932 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:36:25,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:36:25,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:36:25,933 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:36:25,933 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:36:25,933 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:36:25,933 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:36:25,934 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:36:25,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:36:25,934 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:36:25,934 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:36:25,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:36:25,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:25,935 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:36:25,935 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:36:25,936 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:36:25,936 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:36:25,936 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:36:25,936 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:36:25,937 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:36:25,937 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:36:25,937 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:36:25,937 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_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cc9ca6fcf65430b35c3fcee8fb6c355a2b14d7ec23e0c438e140ab674c29f76b [2022-11-18 20:36:26,301 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:36:26,327 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:36:26,330 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:36:26,331 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:36:26,333 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:36:26,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:26,402 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/321193ddc/74e97f90228e4d69ad036d6a0058caad/FLAGdd9bb960f [2022-11-18 20:36:26,883 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:36:26,883 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:26,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/321193ddc/74e97f90228e4d69ad036d6a0058caad/FLAGdd9bb960f [2022-11-18 20:36:27,254 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/data/321193ddc/74e97f90228e4d69ad036d6a0058caad [2022-11-18 20:36:27,257 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:36:27,258 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:36:27,261 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:27,261 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:36:27,265 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:36:27,266 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,267 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28aca97d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27, skipping insertion in model container [2022-11-18 20:36:27,267 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,275 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:36:27,326 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:36:27,515 WARN L234 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_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-18 20:36:27,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:27,716 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:36:27,730 WARN L234 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_247fdd7a-bad9-4380-b64c-dfabef753c33/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Ibuf.c[1107,1120] [2022-11-18 20:36:27,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:36:27,855 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:36:27,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27 WrapperNode [2022-11-18 20:36:27,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:36:27,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:27,857 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:36:27,857 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:36:27,864 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,886 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,931 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 509 [2022-11-18 20:36:27,931 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:36:27,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:36:27,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:36:27,932 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:36:27,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,948 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,960 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,968 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:36:27,977 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:36:27,977 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:36:27,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:36:27,978 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (1/1) ... [2022-11-18 20:36:27,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:36:27,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:36:28,008 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:36:28,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:36:28,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:36:28,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:36:28,263 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:36:28,265 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:36:29,013 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:36:29,019 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:36:29,019 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:36:29,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:29 BoogieIcfgContainer [2022-11-18 20:36:29,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:36:29,023 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:36:29,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:36:29,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:36:29,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:36:27" (1/3) ... [2022-11-18 20:36:29,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7ad86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:29, skipping insertion in model container [2022-11-18 20:36:29,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:36:27" (2/3) ... [2022-11-18 20:36:29,028 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f7ad86d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:36:29, skipping insertion in model container [2022-11-18 20:36:29,028 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:29" (3/3) ... [2022-11-18 20:36:29,029 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Ibuf.c [2022-11-18 20:36:29,047 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:36:29,047 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:36:29,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:36:29,098 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;@5cc4690b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:36:29,098 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:36:29,102 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) [2022-11-18 20:36:29,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:36:29,131 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:29,132 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:36:29,133 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:29,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:29,140 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 20:36:29,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:29,153 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1051762358] [2022-11-18 20:36:29,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:29,154 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 [2022-11-18 20:36:29,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:29,166 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:36:29,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:29,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:29,373 WARN L261 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-18 20:36:29,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:29,592 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:36:29,593 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:36:29,594 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:29,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1051762358] [2022-11-18 20:36:29,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1051762358] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:36:29,595 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:36:29,595 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:36:29,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526859435] [2022-11-18 20:36:29,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:36:29,601 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:36:29,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:29,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:36:29,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:36:29,639 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) [2022-11-18 20:36:29,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:29,732 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 20:36:29,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:36:29,736 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 [2022-11-18 20:36:29,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:29,743 INFO L225 Difference]: With dead ends: 20 [2022-11-18 20:36:29,743 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 20:36:29,745 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 [2022-11-18 20:36:29,748 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 [2022-11-18 20:36:29,749 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] [2022-11-18 20:36:29,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 20:36:29,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 20:36:29,775 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) [2022-11-18 20:36:29,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 20:36:29,776 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 20:36:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:29,777 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 20:36:29,777 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) [2022-11-18 20:36:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 20:36:29,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:36:29,778 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:29,778 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:36:29,799 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:29,989 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:29,989 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:29,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:29,990 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 20:36:29,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:29,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1033621036] [2022-11-18 20:36:29,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:36:29,996 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 [2022-11-18 20:36:29,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:29,999 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:36:30,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:36:30,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-18 20:36:30,297 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:30,714 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:36:30,714 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:36:34,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:36:34,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:34,192 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1033621036] [2022-11-18 20:36:34,192 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1033621036] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:36:34,192 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:36:34,192 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-18 20:36:34,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52204967] [2022-11-18 20:36:34,193 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:36:34,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 20:36:34,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:34,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 20:36:34,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=68, Unknown=1, NotChecked=0, Total=90 [2022-11-18 20:36:34,195 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) [2022-11-18 20:36:34,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:34,499 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 20:36:34,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:36:34,500 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 [2022-11-18 20:36:34,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:34,500 INFO L225 Difference]: With dead ends: 16 [2022-11-18 20:36:34,500 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 20:36:34,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=42, Invalid=113, Unknown=1, NotChecked=0, Total=156 [2022-11-18 20:36:34,502 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 11 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:34,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 25 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 14 Unchecked, 0.1s Time] [2022-11-18 20:36:34,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 20:36:34,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 20:36:34,506 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) [2022-11-18 20:36:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 20:36:34,507 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 20:36:34,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:34,508 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 20:36:34,508 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) [2022-11-18 20:36:34,508 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 20:36:34,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:36:34,509 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:36:34,509 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 20:36:34,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:34,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:34,710 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:36:34,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:36:34,711 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 20:36:34,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:36:34,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [698528374] [2022-11-18 20:36:34,713 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:36:34,713 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 [2022-11-18 20:36:34,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:36:34,714 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 20:36:34,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:35,203 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:36:35,204 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:36:35,217 INFO L263 TraceCheckSpWp]: Trace formula consists of 957 conjuncts, 62 conjunts are in the unsatisfiable core [2022-11-18 20:36:35,224 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:36:35,504 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:36:35,504 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:36:35,930 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-18 20:36:35,930 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:36:35,931 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [698528374] [2022-11-18 20:36:35,931 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [698528374] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:36:35,931 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:36:35,931 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 20:36:35,932 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532086919] [2022-11-18 20:36:35,932 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:36:35,932 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:36:35,932 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:36:35,933 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:36:35,933 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:36:35,933 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2022-11-18 20:36:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:36:37,058 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-18 20:36:37,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 20:36:37,058 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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 [2022-11-18 20:36:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:36:37,059 INFO L225 Difference]: With dead ends: 12 [2022-11-18 20:36:37,059 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:36:37,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-18 20:36:37,060 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 3 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 4 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:36:37,061 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 4 Unchecked, 0.1s Time] [2022-11-18 20:36:37,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:36:37,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:36:37,062 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) [2022-11-18 20:36:37,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:36:37,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-18 20:36:37,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:36:37,062 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:36:37,063 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 8 states have internal predecessors, (16), 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) [2022-11-18 20:36:37,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:36:37,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:36:37,065 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:36:37,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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)] Forceful destruction successful, exit code 0 [2022-11-18 20:36:37,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 20:36:37,283 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:36:37,654 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L895 garLoopResultBuilder]: At program point L527(lines 22 528) the Hoare annotation is: false [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-18 20:36:37,655 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-18 20:36:37,656 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-18 20:36:37,657 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 526) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~mask_SORT_3~0#1| (_ bv3 8))) (.cse4 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (or (and .cse0 (= (_ bv0 8) |ULTIMATE.start_main_~state_10~0#1|) (= |ULTIMATE.start_main_~state_10~0#1| |ULTIMATE.start_main_~state_13~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 (exists ((|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_167_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_153_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_167_arg_0~0#1|)))) (.cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_153_arg_0~0#1|))))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl .cse2 (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot .cse2))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|)))) .cse3))) .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|))))) (and .cse0 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (= |ULTIMATE.start_main_~var_18~0#1| (_ bv0 8)) .cse1 (= |ULTIMATE.start_main_~var_12~0#1| (_ bv0 8)) (exists ((|ULTIMATE.start_main_~var_208_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_164_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_207_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_153_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_190_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_166_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_195_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_188_arg_0~0#1| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_153_arg_0~0#1|))))) (and (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_188_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 .cse4)))))) (_ bv3 32)))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_190_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_10~0#1|) (= ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_207_arg_0~0#1|) (_ bv1 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) |ULTIMATE.start_main_~var_195_arg_0~0#1|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_164_arg_0~0#1|) (_ bv1 32)) (_ bv0 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_166_arg_0~0#1|)))))))))))) .cse5))) .cse4))))))))) (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_208_arg_0~0#1|) (_ bv2 32)))) |ULTIMATE.start_main_~state_13~0#1|))))))) [2022-11-18 20:36:37,657 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 526) no Hoare annotation was computed. [2022-11-18 20:36:37,660 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-18 20:36:37,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:36:37,672 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,673 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,674 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,674 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,674 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,675 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,675 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,675 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,675 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,676 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,677 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,677 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,683 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,684 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,684 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,684 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,684 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,685 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,685 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,685 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,686 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,687 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,687 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,687 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,688 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,688 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:36:37 BoogieIcfgContainer [2022-11-18 20:36:37,690 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:36:37,691 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:36:37,691 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:36:37,691 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:36:37,692 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:36:29" (3/4) ... [2022-11-18 20:36:37,694 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:36:37,707 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 20:36:37,708 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-18 20:36:37,709 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:36:37,732 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13))) || (((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && var_18 == 0bv8) && mask_SORT_3 == 3bv8) && var_12 == 0bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_164_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_166_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_188_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_188_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]), 3bv32)[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(0bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_164_arg_0~0#1), 1bv32), 0bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_166_arg_0~0#1))[7:0])[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) [2022-11-18 20:36:37,792 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:36:37,792 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:36:37,793 INFO L158 Benchmark]: Toolchain (without parser) took 10534.84ms. Allocated memory was 67.1MB in the beginning and 155.2MB in the end (delta: 88.1MB). Free memory was 46.7MB in the beginning and 57.9MB in the end (delta: -11.2MB). Peak memory consumption was 75.4MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,794 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:36:37,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 594.94ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 39.7MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,794 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.43ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,795 INFO L158 Benchmark]: Boogie Preprocessor took 44.36ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 32.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,795 INFO L158 Benchmark]: RCFGBuilder took 1044.61ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 32.1MB in the beginning and 48.4MB in the end (delta: -16.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,796 INFO L158 Benchmark]: TraceAbstraction took 8666.99ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 47.3MB in the beginning and 65.2MB in the end (delta: -17.9MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,796 INFO L158 Benchmark]: Witness Printer took 101.66ms. Allocated memory is still 155.2MB. Free memory was 65.2MB in the beginning and 57.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 20:36:37,798 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 67.1MB. Free memory is still 48.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 594.94ms. Allocated memory is still 67.1MB. Free memory was 46.6MB in the beginning and 39.7MB in the end (delta: 6.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.43ms. Allocated memory is still 67.1MB. Free memory was 39.5MB in the beginning and 35.0MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.36ms. Allocated memory is still 67.1MB. Free memory was 35.0MB in the beginning and 32.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1044.61ms. Allocated memory was 67.1MB in the beginning and 96.5MB in the end (delta: 29.4MB). Free memory was 32.1MB in the beginning and 48.4MB in the end (delta: -16.4MB). Peak memory consumption was 20.3MB. Max. memory is 16.1GB. * TraceAbstraction took 8666.99ms. Allocated memory was 96.5MB in the beginning and 155.2MB in the end (delta: 58.7MB). Free memory was 47.3MB in the beginning and 65.2MB in the end (delta: -17.9MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB. * Witness Printer took 101.66ms. Allocated memory is still 155.2MB. Free memory was 65.2MB in the beginning and 57.9MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,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: 8.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 18 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 18 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 15 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 46 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 20, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 205 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 75 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 13 QuantifiedInterpolants, 2558 SizeOfPredicates, 187 NumberOfNonLiveVariables, 1518 ConjunctsInSsa, 169 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 6/18 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: 51]: Loop Invariant [2022-11-18 20:36:37,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,814 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,814 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,814 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,814 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,815 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,815 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,816 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_167_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,817 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_188_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,818 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,819 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_190_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,819 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_207_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,819 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_195_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,819 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_164_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,820 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_166_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,820 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_153_arg_0~0#1,QUANTIFIED] [2022-11-18 20:36:37,820 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_208_arg_0~0#1,QUANTIFIED] Derived loop invariant: ((((1bv8 == mask_SORT_1 && 0bv8 == state_10) && state_10 == state_13) && mask_SORT_3 == 3bv8) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_3 == 3bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_167_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_167_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13))) || (((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && var_18 == 0bv8) && mask_SORT_3 == 3bv8) && var_12 == 0bv8) && (\exists ULTIMATE.start_main_~var_208_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_164_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_207_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_153_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_190_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_166_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_195_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_188_arg_0~0#1 : bv8 :: ~bvor32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_188_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]), 3bv32)[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_190_arg_0~0#1), 2bv32))[7:0] == state_10 && ~bvor32(~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_207_arg_0~0#1), 1bv32), ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_195_arg_0~0#1), ~zero_extendFrom8To32(~bvnot32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~bvor32(0bv32, ~zero_extendFrom8To32(~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_164_arg_0~0#1), 1bv32), 0bv32)[7:0]))[7:0]), ~zero_extendFrom8To32(ULTIMATE.start_main_~var_166_arg_0~0#1))[7:0])[7:0]))[7:0]))[7:0]), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_153_arg_0~0#1)[7:0]))[7:0]), ~zero_extendFrom8To32(mask_SORT_1))[7:0]))[7:0]))[7:0]), ~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_208_arg_0~0#1), 2bv32))[7:0] == state_13)) RESULT: Ultimate proved your program to be correct! [2022-11-18 20:36:37,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_247fdd7a-bad9-4380-b64c-dfabef753c33/bin/uautomizer-TMbwUNV5ro/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