./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.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_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0d4717f586c3229c800efb1c037b118b62ba386703428d487c3c9a0e10a99f5 --- 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 [2022-11-19 08:00:55,558 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:00:55,560 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:00:55,577 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:00:55,578 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:00:55,579 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:00:55,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:00:55,582 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:00:55,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:00:55,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:00:55,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:00:55,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:00:55,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:00:55,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:00:55,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:00:55,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:00:55,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:00:55,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:00:55,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:00:55,596 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:00:55,597 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:00:55,601 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:00:55,603 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:00:55,603 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:00:55,607 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:00:55,607 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:00:55,607 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:00:55,608 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:00:55,609 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:00:55,610 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:00:55,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:00:55,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:00:55,618 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:00:55,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:00:55,621 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:00:55,622 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:00:55,623 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:00:55,623 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:00:55,623 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:00:55,624 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:00:55,625 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:00:55,625 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 08:00:55,666 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:00:55,666 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:00:55,666 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:00:55,666 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:00:55,667 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:00:55,667 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:00:55,668 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:00:55,668 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:00:55,668 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:00:55,668 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:00:55,668 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:00:55,669 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:00:55,669 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:00:55,669 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:00:55,669 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:00:55,670 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:00:55,670 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:00:55,670 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:00:55,671 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:00:55,671 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:00:55,671 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:00:55,675 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:00:55,675 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:00:55,677 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:00:55,677 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:00:55,678 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:00:55,678 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:00:55,678 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:00:55,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:00:55,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:55,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:00:55,680 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:00:55,680 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:00:55,680 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:00:55,680 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:00:55,681 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:00:55,682 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:00:55,682 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:00:55,683 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d4717f586c3229c800efb1c037b118b62ba386703428d487c3c9a0e10a99f5 [2022-11-19 08:00:55,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:00:56,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:00:56,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:00:56,005 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:00:56,006 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:00:56,007 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:00:56,081 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/2851dd845/fb1531bafd4244519df0629d717d4699/FLAG87a9a13a8 [2022-11-19 08:00:56,796 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:00:56,797 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:00:56,823 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/2851dd845/fb1531bafd4244519df0629d717d4699/FLAG87a9a13a8 [2022-11-19 08:00:56,912 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/2851dd845/fb1531bafd4244519df0629d717d4699 [2022-11-19 08:00:56,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:00:56,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:00:56,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:56,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:00:56,924 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:00:56,925 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:56" (1/1) ... [2022-11-19 08:00:56,927 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a00bb07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:56, skipping insertion in model container [2022-11-19 08:00:56,927 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:00:56" (1/1) ... [2022-11-19 08:00:56,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:00:57,054 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:00:57,368 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c[1014,1027] [2022-11-19 08:00:58,149 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:58,153 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:00:58,172 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c[1014,1027] [2022-11-19 08:00:58,506 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:00:58,518 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:00:58,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58 WrapperNode [2022-11-19 08:00:58,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:00:58,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:58,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:00:58,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:00:58,528 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:58,617 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,250 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 9215 [2022-11-19 08:00:59,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:00:59,252 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:00:59,252 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:00:59,252 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:00:59,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,469 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,548 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,571 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:00:59,636 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:00:59,636 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:00:59,636 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:00:59,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (1/1) ... [2022-11-19 08:00:59,644 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:00:59,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:00:59,671 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:00:59,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:00:59,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:00:59,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:01:00,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:01:00,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:02:31,846 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:03:51,989 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:03:51,989 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:03:51,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51 BoogieIcfgContainer [2022-11-19 08:03:51,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:03:51,994 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:03:51,995 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:03:52,000 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:03:52,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:00:56" (1/3) ... [2022-11-19 08:03:52,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1656f04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:52, skipping insertion in model container [2022-11-19 08:03:52,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:00:58" (2/3) ... [2022-11-19 08:03:52,002 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1656f04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:03:52, skipping insertion in model container [2022-11-19 08:03:52,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51" (3/3) ... [2022-11-19 08:03:52,003 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:03:52,024 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:03:52,024 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:03:52,091 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:03:52,100 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48cadd19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:03:52,100 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:03:52,110 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 08:03:52,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 08:03:52,117 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:03:52,117 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 08:03:52,118 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:03:52,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:03:52,124 INFO L85 PathProgramCache]: Analyzing trace with hash 163320989, now seen corresponding path program 1 times [2022-11-19 08:03:52,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:03:52,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847640680] [2022-11-19 08:03:52,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:03:52,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:03:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:03:52,968 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 08:03:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 08:03:53,549 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 08:03:53,553 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 08:03:53,554 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-19 08:03:53,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:03:53,565 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-19 08:03:53,571 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:03:53,658 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-19 08:03:53,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:03:53 BoogieIcfgContainer [2022-11-19 08:03:53,692 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:03:53,694 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:03:53,694 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:03:53,694 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:03:53,696 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:03:51" (3/4) ... [2022-11-19 08:03:53,699 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-19 08:03:53,699 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:03:53,701 INFO L158 Benchmark]: Toolchain (without parser) took 176783.43ms. Allocated memory was 104.9MB in the beginning and 7.8GB in the end (delta: 7.7GB). Free memory was 79.1MB in the beginning and 5.5GB in the end (delta: -5.4GB). Peak memory consumption was 2.3GB. Max. memory is 16.1GB. [2022-11-19 08:03:53,702 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:03:53,704 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1601.09ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 59.0MB in the end (delta: 19.7MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. [2022-11-19 08:03:53,705 INFO L158 Benchmark]: Boogie Procedure Inliner took 730.58ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 59.0MB in the beginning and 148.2MB in the end (delta: -89.3MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. [2022-11-19 08:03:53,710 INFO L158 Benchmark]: Boogie Preprocessor took 382.63ms. Allocated memory is still 245.4MB. Free memory was 148.2MB in the beginning and 105.3MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-19 08:03:53,711 INFO L158 Benchmark]: RCFGBuilder took 172356.52ms. Allocated memory was 245.4MB in the beginning and 7.8GB in the end (delta: 7.5GB). Free memory was 105.3MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. [2022-11-19 08:03:53,712 INFO L158 Benchmark]: TraceAbstraction took 1697.50ms. Allocated memory is still 7.8GB. Free memory was 5.7GB in the beginning and 5.5GB in the end (delta: 187.7MB). Peak memory consumption was 186.6MB. Max. memory is 16.1GB. [2022-11-19 08:03:53,713 INFO L158 Benchmark]: Witness Printer took 5.90ms. Allocated memory is still 7.8GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:03:53,721 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 104.9MB. Free memory is still 81.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1601.09ms. Allocated memory was 104.9MB in the beginning and 138.4MB in the end (delta: 33.6MB). Free memory was 78.7MB in the beginning and 59.0MB in the end (delta: 19.7MB). Peak memory consumption was 96.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 730.58ms. Allocated memory was 138.4MB in the beginning and 245.4MB in the end (delta: 107.0MB). Free memory was 59.0MB in the beginning and 148.2MB in the end (delta: -89.3MB). Peak memory consumption was 81.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 382.63ms. Allocated memory is still 245.4MB. Free memory was 148.2MB in the beginning and 105.3MB in the end (delta: 42.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * RCFGBuilder took 172356.52ms. Allocated memory was 245.4MB in the beginning and 7.8GB in the end (delta: 7.5GB). Free memory was 105.3MB in the beginning and 5.7GB in the end (delta: -5.6GB). Peak memory consumption was 2.4GB. Max. memory is 16.1GB. * TraceAbstraction took 1697.50ms. Allocated memory is still 7.8GB. Free memory was 5.7GB in the beginning and 5.5GB in the end (delta: 187.7MB). Peak memory consumption was 186.6MB. Max. memory is 16.1GB. * Witness Printer took 5.90ms. Allocated memory is still 7.8GB. Free memory was 5.5GB in the beginning and 5.5GB in the end (delta: 2.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 673, overapproximation of bitwiseAnd at line 436. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_2 var_5 = 0; [L38] const SORT_1 var_46 = 0; [L39] const SORT_4 var_179 = 1; [L40] const SORT_4 var_180 = 0; [L41] const SORT_2 var_194 = 0; [L42] const SORT_2 var_196 = 1; [L43] const SORT_3 var_291 = 0; [L44] const SORT_4 var_702 = 5; [L45] const SORT_2 var_706 = 2; [L46] const SORT_2 var_708 = 3; [L47] const SORT_2 var_719 = 5; [L48] const SORT_4 var_1005 = 2; [L49] const SORT_4 var_1110 = 3; [L50] const SORT_2 var_1208 = 4; [L51] const SORT_4 var_1217 = 4; [L53] SORT_1 input_193; [L54] SORT_1 input_195; [L55] SORT_1 input_200; [L56] SORT_1 input_201; [L57] SORT_1 input_205; [L58] SORT_1 input_206; [L59] SORT_1 input_210; [L60] SORT_1 input_211; [L61] SORT_1 input_215; [L62] SORT_1 input_216; [L63] SORT_1 input_220; [L64] SORT_1 input_221; [L65] SORT_1 input_226; [L66] SORT_1 input_227; [L67] SORT_1 input_232; [L68] SORT_1 input_233; [L69] SORT_1 input_238; [L70] SORT_1 input_239; [L71] SORT_1 input_244; [L72] SORT_1 input_245; [L73] SORT_1 input_250; [L74] SORT_1 input_251; [L75] SORT_1 input_252; [L76] SORT_1 input_258; [L77] SORT_1 input_259; [L78] SORT_1 input_260; [L79] SORT_1 input_266; [L80] SORT_1 input_267; [L81] SORT_1 input_268; [L82] SORT_1 input_274; [L83] SORT_1 input_275; [L84] SORT_1 input_276; [L85] SORT_1 input_282; [L86] SORT_1 input_283; [L87] SORT_1 input_284; [L88] SORT_1 input_290; [L89] SORT_1 input_295; [L90] SORT_1 input_296; [L91] SORT_1 input_297; [L92] SORT_1 input_298; [L93] SORT_1 input_299; [L94] SORT_1 input_300; [L95] SORT_1 input_301; [L96] SORT_1 input_302; [L97] SORT_1 input_316; [L98] SORT_1 input_320; [L99] SORT_1 input_321; [L100] SORT_1 input_322; [L101] SORT_1 input_323; [L102] SORT_1 input_324; [L103] SORT_1 input_325; [L104] SORT_1 input_326; [L105] SORT_1 input_327; [L106] SORT_1 input_341; [L107] SORT_1 input_345; [L108] SORT_1 input_346; [L109] SORT_1 input_347; [L110] SORT_1 input_348; [L111] SORT_1 input_349; [L112] SORT_1 input_350; [L113] SORT_1 input_351; [L114] SORT_1 input_352; [L115] SORT_1 input_366; [L116] SORT_1 input_370; [L117] SORT_1 input_371; [L118] SORT_1 input_372; [L119] SORT_1 input_373; [L120] SORT_1 input_374; [L121] SORT_1 input_375; [L122] SORT_1 input_376; [L123] SORT_1 input_377; [L124] SORT_1 input_391; [L125] SORT_1 input_395; [L126] SORT_1 input_396; [L127] SORT_1 input_397; [L128] SORT_1 input_398; [L129] SORT_1 input_399; [L130] SORT_1 input_400; [L131] SORT_1 input_401; [L132] SORT_1 input_402; [L133] SORT_1 input_420; [L134] SORT_1 input_430; [L135] SORT_1 input_434; [L136] SORT_1 input_438; [L137] SORT_1 input_447; [L138] SORT_1 input_453; [L139] SORT_1 input_458; [L140] SORT_1 input_467; [L141] SORT_1 input_477; [L142] SORT_1 input_487; [L143] SORT_1 input_491; [L144] SORT_1 input_495; [L145] SORT_1 input_504; [L146] SORT_1 input_510; [L147] SORT_1 input_515; [L148] SORT_1 input_524; [L149] SORT_1 input_534; [L150] SORT_1 input_544; [L151] SORT_1 input_548; [L152] SORT_1 input_552; [L153] SORT_1 input_561; [L154] SORT_1 input_567; [L155] SORT_1 input_572; [L156] SORT_1 input_581; [L157] SORT_1 input_591; [L158] SORT_1 input_601; [L159] SORT_1 input_605; [L160] SORT_1 input_609; [L161] SORT_1 input_618; [L162] SORT_1 input_624; [L163] SORT_1 input_629; [L164] SORT_1 input_638; [L165] SORT_1 input_648; [L166] SORT_1 input_658; [L167] SORT_1 input_662; [L168] SORT_1 input_666; [L169] SORT_1 input_675; [L170] SORT_1 input_681; [L171] SORT_1 input_686; [L172] SORT_1 input_695; [L174] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L175] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L176] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L177] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L178] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L179] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L180] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L181] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L182] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L183] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L184] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L185] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L186] SORT_2 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L187] SORT_2 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L188] SORT_2 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L189] SORT_2 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L190] SORT_2 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L191] SORT_2 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L192] SORT_2 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L193] SORT_2 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L194] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L195] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L196] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L197] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L198] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L199] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L200] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L201] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L202] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L203] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L204] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L205] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L206] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L207] SORT_1 state_73 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L208] SORT_1 state_75 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L209] SORT_1 state_77 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L210] SORT_1 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L211] SORT_1 state_81 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L212] SORT_1 state_83 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L213] SORT_1 state_85 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L214] SORT_1 state_87 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L215] SORT_1 state_89 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L216] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L217] SORT_1 state_93 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L218] SORT_1 state_95 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L219] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L220] SORT_1 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L221] SORT_1 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L222] SORT_1 state_103 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L223] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L224] SORT_1 state_107 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L225] SORT_1 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L226] SORT_1 state_111 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L227] SORT_1 state_113 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L228] SORT_1 state_115 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L229] SORT_1 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L230] SORT_1 state_119 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L231] SORT_1 state_121 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L232] SORT_1 state_123 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L233] SORT_1 state_125 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L234] SORT_1 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L235] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L236] SORT_1 state_131 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L237] SORT_1 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L238] SORT_1 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L239] SORT_1 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L240] SORT_1 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L241] SORT_1 state_141 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L242] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L243] SORT_1 state_145 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L244] SORT_1 state_147 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L245] SORT_1 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L246] SORT_1 state_151 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L247] SORT_1 state_153 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L248] SORT_1 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L249] SORT_1 state_157 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L250] SORT_1 state_159 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L251] SORT_1 state_161 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L252] SORT_1 state_163 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L253] SORT_1 state_165 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L254] SORT_1 state_167 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L255] SORT_1 state_169 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L256] SORT_1 state_171 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L257] SORT_1 state_173 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L258] SORT_1 state_175 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L259] SORT_1 state_177 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L261] SORT_2 init_7_arg_1 = var_5; [L262] state_6 = init_7_arg_1 [L263] SORT_2 init_9_arg_1 = var_5; [L264] state_8 = init_9_arg_1 [L265] SORT_2 init_11_arg_1 = var_5; [L266] state_10 = init_11_arg_1 [L267] SORT_2 init_13_arg_1 = var_5; [L268] state_12 = init_13_arg_1 [L269] SORT_2 init_15_arg_1 = var_5; [L270] state_14 = init_15_arg_1 [L271] SORT_2 init_17_arg_1 = var_5; [L272] state_16 = init_17_arg_1 [L273] SORT_2 init_19_arg_1 = var_5; [L274] state_18 = init_19_arg_1 [L275] SORT_2 init_21_arg_1 = var_5; [L276] state_20 = init_21_arg_1 [L277] SORT_2 init_23_arg_1 = var_5; [L278] state_22 = init_23_arg_1 [L279] SORT_2 init_25_arg_1 = var_5; [L280] state_24 = init_25_arg_1 [L281] SORT_2 init_27_arg_1 = var_5; [L282] state_26 = init_27_arg_1 [L283] SORT_2 init_29_arg_1 = var_5; [L284] state_28 = init_29_arg_1 [L285] SORT_2 init_31_arg_1 = var_5; [L286] state_30 = init_31_arg_1 [L287] SORT_2 init_33_arg_1 = var_5; [L288] state_32 = init_33_arg_1 [L289] SORT_2 init_35_arg_1 = var_5; [L290] state_34 = init_35_arg_1 [L291] SORT_2 init_37_arg_1 = var_5; [L292] state_36 = init_37_arg_1 [L293] SORT_2 init_39_arg_1 = var_5; [L294] state_38 = init_39_arg_1 [L295] SORT_2 init_41_arg_1 = var_5; [L296] state_40 = init_41_arg_1 [L297] SORT_2 init_43_arg_1 = var_5; [L298] state_42 = init_43_arg_1 [L299] SORT_2 init_45_arg_1 = var_5; [L300] state_44 = init_45_arg_1 [L301] SORT_1 init_48_arg_1 = var_46; [L302] state_47 = init_48_arg_1 [L303] SORT_1 init_50_arg_1 = var_46; [L304] state_49 = init_50_arg_1 [L305] SORT_1 init_52_arg_1 = var_46; [L306] state_51 = init_52_arg_1 [L307] SORT_1 init_54_arg_1 = var_46; [L308] state_53 = init_54_arg_1 [L309] SORT_1 init_56_arg_1 = var_46; [L310] state_55 = init_56_arg_1 [L311] SORT_1 init_58_arg_1 = var_46; [L312] state_57 = init_58_arg_1 [L313] SORT_1 init_60_arg_1 = var_46; [L314] state_59 = init_60_arg_1 [L315] SORT_1 init_62_arg_1 = var_46; [L316] state_61 = init_62_arg_1 [L317] SORT_1 init_64_arg_1 = var_46; [L318] state_63 = init_64_arg_1 [L319] SORT_1 init_66_arg_1 = var_46; [L320] state_65 = init_66_arg_1 [L321] SORT_1 init_68_arg_1 = var_46; [L322] state_67 = init_68_arg_1 [L323] SORT_1 init_70_arg_1 = var_46; [L324] state_69 = init_70_arg_1 [L325] SORT_1 init_72_arg_1 = var_46; [L326] state_71 = init_72_arg_1 [L327] SORT_1 init_74_arg_1 = var_46; [L328] state_73 = init_74_arg_1 [L329] SORT_1 init_76_arg_1 = var_46; [L330] state_75 = init_76_arg_1 [L331] SORT_1 init_78_arg_1 = var_46; [L332] state_77 = init_78_arg_1 [L333] SORT_1 init_80_arg_1 = var_46; [L334] state_79 = init_80_arg_1 [L335] SORT_1 init_82_arg_1 = var_46; [L336] state_81 = init_82_arg_1 [L337] SORT_1 init_84_arg_1 = var_46; [L338] state_83 = init_84_arg_1 [L339] SORT_1 init_86_arg_1 = var_46; [L340] state_85 = init_86_arg_1 [L341] SORT_1 init_88_arg_1 = var_46; [L342] state_87 = init_88_arg_1 [L343] SORT_1 init_90_arg_1 = var_46; [L344] state_89 = init_90_arg_1 [L345] SORT_1 init_92_arg_1 = var_46; [L346] state_91 = init_92_arg_1 [L347] SORT_1 init_94_arg_1 = var_46; [L348] state_93 = init_94_arg_1 [L349] SORT_1 init_96_arg_1 = var_46; [L350] state_95 = init_96_arg_1 [L351] SORT_1 init_98_arg_1 = var_46; [L352] state_97 = init_98_arg_1 [L353] SORT_1 init_100_arg_1 = var_46; [L354] state_99 = init_100_arg_1 [L355] SORT_1 init_102_arg_1 = var_46; [L356] state_101 = init_102_arg_1 [L357] SORT_1 init_104_arg_1 = var_46; [L358] state_103 = init_104_arg_1 [L359] SORT_1 init_106_arg_1 = var_46; [L360] state_105 = init_106_arg_1 [L361] SORT_1 init_108_arg_1 = var_46; [L362] state_107 = init_108_arg_1 [L363] SORT_1 init_110_arg_1 = var_46; [L364] state_109 = init_110_arg_1 [L365] SORT_1 init_112_arg_1 = var_46; [L366] state_111 = init_112_arg_1 [L367] SORT_1 init_114_arg_1 = var_46; [L368] state_113 = init_114_arg_1 [L369] SORT_1 init_116_arg_1 = var_46; [L370] state_115 = init_116_arg_1 [L371] SORT_1 init_118_arg_1 = var_46; [L372] state_117 = init_118_arg_1 [L373] SORT_1 init_120_arg_1 = var_46; [L374] state_119 = init_120_arg_1 [L375] SORT_1 init_122_arg_1 = var_46; [L376] state_121 = init_122_arg_1 [L377] SORT_1 init_124_arg_1 = var_46; [L378] state_123 = init_124_arg_1 [L379] SORT_1 init_126_arg_1 = var_46; [L380] state_125 = init_126_arg_1 [L381] SORT_1 init_128_arg_1 = var_46; [L382] state_127 = init_128_arg_1 [L383] SORT_1 init_130_arg_1 = var_46; [L384] state_129 = init_130_arg_1 [L385] SORT_1 init_132_arg_1 = var_46; [L386] state_131 = init_132_arg_1 [L387] SORT_1 init_134_arg_1 = var_46; [L388] state_133 = init_134_arg_1 [L389] SORT_1 init_136_arg_1 = var_46; [L390] state_135 = init_136_arg_1 [L391] SORT_1 init_138_arg_1 = var_46; [L392] state_137 = init_138_arg_1 [L393] SORT_1 init_140_arg_1 = var_46; [L394] state_139 = init_140_arg_1 [L395] SORT_1 init_142_arg_1 = var_46; [L396] state_141 = init_142_arg_1 [L397] SORT_1 init_144_arg_1 = var_46; [L398] state_143 = init_144_arg_1 [L399] SORT_1 init_146_arg_1 = var_46; [L400] state_145 = init_146_arg_1 [L401] SORT_1 init_148_arg_1 = var_46; [L402] state_147 = init_148_arg_1 [L403] SORT_1 init_150_arg_1 = var_46; [L404] state_149 = init_150_arg_1 [L405] SORT_1 init_152_arg_1 = var_46; [L406] state_151 = init_152_arg_1 [L407] SORT_1 init_154_arg_1 = var_46; [L408] state_153 = init_154_arg_1 [L409] SORT_1 init_156_arg_1 = var_46; [L410] state_155 = init_156_arg_1 [L411] SORT_1 init_158_arg_1 = var_46; [L412] state_157 = init_158_arg_1 [L413] SORT_1 init_160_arg_1 = var_46; [L414] state_159 = init_160_arg_1 [L415] SORT_1 init_162_arg_1 = var_46; [L416] state_161 = init_162_arg_1 [L417] SORT_1 init_164_arg_1 = var_46; [L418] state_163 = init_164_arg_1 [L419] SORT_1 init_166_arg_1 = var_46; [L420] state_165 = init_166_arg_1 [L421] SORT_1 init_168_arg_1 = var_46; [L422] state_167 = init_168_arg_1 [L423] SORT_1 init_170_arg_1 = var_46; [L424] state_169 = init_170_arg_1 [L425] SORT_1 init_172_arg_1 = var_46; [L426] state_171 = init_172_arg_1 [L427] SORT_1 init_174_arg_1 = var_46; [L428] state_173 = init_174_arg_1 [L429] SORT_1 init_176_arg_1 = var_46; [L430] state_175 = init_176_arg_1 [L431] SORT_1 init_178_arg_1 = var_46; [L432] state_177 = init_178_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_104_arg_1=0, init_106_arg_1=0, init_108_arg_1=0, init_110_arg_1=0, init_112_arg_1=0, init_114_arg_1=0, init_116_arg_1=0, init_118_arg_1=0, init_11_arg_1=0, init_120_arg_1=0, init_122_arg_1=0, init_124_arg_1=0, init_126_arg_1=0, init_128_arg_1=0, init_130_arg_1=0, init_132_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_13_arg_1=0, init_140_arg_1=0, init_142_arg_1=0, init_144_arg_1=0, init_146_arg_1=0, init_148_arg_1=0, init_150_arg_1=0, init_152_arg_1=0, init_154_arg_1=0, init_156_arg_1=0, init_158_arg_1=0, init_15_arg_1=0, init_160_arg_1=0, init_162_arg_1=0, init_164_arg_1=0, init_166_arg_1=0, init_168_arg_1=0, init_170_arg_1=0, init_172_arg_1=0, init_174_arg_1=0, init_176_arg_1=0, init_178_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_21_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_58_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_64_arg_1=0, init_66_arg_1=0, init_68_arg_1=0, init_70_arg_1=0, init_72_arg_1=0, init_74_arg_1=0, init_76_arg_1=0, init_78_arg_1=0, init_7_arg_1=0, init_80_arg_1=0, init_82_arg_1=0, init_84_arg_1=0, init_86_arg_1=0, init_88_arg_1=0, init_90_arg_1=0, init_92_arg_1=0, init_94_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_101=0, state_103=0, state_105=0, state_107=0, state_109=0, state_111=0, state_113=0, state_115=0, state_117=0, state_119=0, state_12=0, state_121=0, state_123=0, state_125=0, state_127=0, state_129=0, state_131=0, state_133=0, state_135=0, state_137=0, state_139=0, state_14=0, state_141=0, state_143=0, state_145=0, state_147=0, state_149=0, state_151=0, state_153=0, state_155=0, state_157=0, state_159=0, state_16=0, state_161=0, state_163=0, state_165=0, state_167=0, state_169=0, state_171=0, state_173=0, state_175=0, state_177=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_6=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_71=0, state_73=0, state_75=0, state_77=0, state_79=0, state_8=0, state_81=0, state_83=0, state_85=0, state_87=0, state_89=0, state_91=0, state_93=0, state_95=0, state_97=0, state_99=0, var_1005=2, var_1110=3, var_1208=4, var_1217=4, var_179=1, var_180=0, var_194=0, var_196=1, var_291=0, var_46=0, var_5=0, var_702=5, var_706=2, var_708=3, var_719=5] [L435] input_193 = __VERIFIER_nondet_uchar() [L436] input_193 = input_193 & mask_SORT_1 [L437] input_195 = __VERIFIER_nondet_uchar() [L438] input_195 = input_195 & mask_SORT_1 [L439] input_200 = __VERIFIER_nondet_uchar() [L440] input_200 = input_200 & mask_SORT_1 [L441] input_201 = __VERIFIER_nondet_uchar() [L442] input_201 = input_201 & mask_SORT_1 [L443] input_205 = __VERIFIER_nondet_uchar() [L444] input_205 = input_205 & mask_SORT_1 [L445] input_206 = __VERIFIER_nondet_uchar() [L446] input_206 = input_206 & mask_SORT_1 [L447] input_210 = __VERIFIER_nondet_uchar() [L448] input_210 = input_210 & mask_SORT_1 [L449] input_211 = __VERIFIER_nondet_uchar() [L450] input_211 = input_211 & mask_SORT_1 [L451] input_215 = __VERIFIER_nondet_uchar() [L452] input_215 = input_215 & mask_SORT_1 [L453] input_216 = __VERIFIER_nondet_uchar() [L454] input_216 = input_216 & mask_SORT_1 [L455] input_220 = __VERIFIER_nondet_uchar() [L456] input_220 = input_220 & mask_SORT_1 [L457] input_221 = __VERIFIER_nondet_uchar() [L458] input_221 = input_221 & mask_SORT_1 [L459] input_226 = __VERIFIER_nondet_uchar() [L460] input_226 = input_226 & mask_SORT_1 [L461] input_227 = __VERIFIER_nondet_uchar() [L462] input_227 = input_227 & mask_SORT_1 [L463] input_232 = __VERIFIER_nondet_uchar() [L464] input_232 = input_232 & mask_SORT_1 [L465] input_233 = __VERIFIER_nondet_uchar() [L466] input_233 = input_233 & mask_SORT_1 [L467] input_238 = __VERIFIER_nondet_uchar() [L468] input_238 = input_238 & mask_SORT_1 [L469] input_239 = __VERIFIER_nondet_uchar() [L470] input_239 = input_239 & mask_SORT_1 [L471] input_244 = __VERIFIER_nondet_uchar() [L472] input_244 = input_244 & mask_SORT_1 [L473] input_245 = __VERIFIER_nondet_uchar() [L474] input_245 = input_245 & mask_SORT_1 [L475] input_250 = __VERIFIER_nondet_uchar() [L476] input_250 = input_250 & mask_SORT_1 [L477] input_251 = __VERIFIER_nondet_uchar() [L478] input_251 = input_251 & mask_SORT_1 [L479] input_252 = __VERIFIER_nondet_uchar() [L480] input_252 = input_252 & mask_SORT_1 [L481] input_258 = __VERIFIER_nondet_uchar() [L482] input_258 = input_258 & mask_SORT_1 [L483] input_259 = __VERIFIER_nondet_uchar() [L484] input_259 = input_259 & mask_SORT_1 [L485] input_260 = __VERIFIER_nondet_uchar() [L486] input_260 = input_260 & mask_SORT_1 [L487] input_266 = __VERIFIER_nondet_uchar() [L488] input_266 = input_266 & mask_SORT_1 [L489] input_267 = __VERIFIER_nondet_uchar() [L490] input_267 = input_267 & mask_SORT_1 [L491] input_268 = __VERIFIER_nondet_uchar() [L492] input_268 = input_268 & mask_SORT_1 [L493] input_274 = __VERIFIER_nondet_uchar() [L494] input_274 = input_274 & mask_SORT_1 [L495] input_275 = __VERIFIER_nondet_uchar() [L496] input_275 = input_275 & mask_SORT_1 [L497] input_276 = __VERIFIER_nondet_uchar() [L498] input_276 = input_276 & mask_SORT_1 [L499] input_282 = __VERIFIER_nondet_uchar() [L500] input_282 = input_282 & mask_SORT_1 [L501] input_283 = __VERIFIER_nondet_uchar() [L502] input_283 = input_283 & mask_SORT_1 [L503] input_284 = __VERIFIER_nondet_uchar() [L504] input_284 = input_284 & mask_SORT_1 [L505] input_290 = __VERIFIER_nondet_uchar() [L506] input_290 = input_290 & mask_SORT_1 [L507] input_295 = __VERIFIER_nondet_uchar() [L508] input_295 = input_295 & mask_SORT_1 [L509] input_296 = __VERIFIER_nondet_uchar() [L510] input_296 = input_296 & mask_SORT_1 [L511] input_297 = __VERIFIER_nondet_uchar() [L512] input_297 = input_297 & mask_SORT_1 [L513] input_298 = __VERIFIER_nondet_uchar() [L514] input_298 = input_298 & mask_SORT_1 [L515] input_299 = __VERIFIER_nondet_uchar() [L516] input_299 = input_299 & mask_SORT_1 [L517] input_300 = __VERIFIER_nondet_uchar() [L518] input_300 = input_300 & mask_SORT_1 [L519] input_301 = __VERIFIER_nondet_uchar() [L520] input_301 = input_301 & mask_SORT_1 [L521] input_302 = __VERIFIER_nondet_uchar() [L522] input_302 = input_302 & mask_SORT_1 [L523] input_316 = __VERIFIER_nondet_uchar() [L524] input_316 = input_316 & mask_SORT_1 [L525] input_320 = __VERIFIER_nondet_uchar() [L526] input_320 = input_320 & mask_SORT_1 [L527] input_321 = __VERIFIER_nondet_uchar() [L528] input_321 = input_321 & mask_SORT_1 [L529] input_322 = __VERIFIER_nondet_uchar() [L530] input_322 = input_322 & mask_SORT_1 [L531] input_323 = __VERIFIER_nondet_uchar() [L532] input_323 = input_323 & mask_SORT_1 [L533] input_324 = __VERIFIER_nondet_uchar() [L534] input_324 = input_324 & mask_SORT_1 [L535] input_325 = __VERIFIER_nondet_uchar() [L536] input_325 = input_325 & mask_SORT_1 [L537] input_326 = __VERIFIER_nondet_uchar() [L538] input_326 = input_326 & mask_SORT_1 [L539] input_327 = __VERIFIER_nondet_uchar() [L540] input_327 = input_327 & mask_SORT_1 [L541] input_341 = __VERIFIER_nondet_uchar() [L542] input_341 = input_341 & mask_SORT_1 [L543] input_345 = __VERIFIER_nondet_uchar() [L544] input_345 = input_345 & mask_SORT_1 [L545] input_346 = __VERIFIER_nondet_uchar() [L546] input_346 = input_346 & mask_SORT_1 [L547] input_347 = __VERIFIER_nondet_uchar() [L548] input_347 = input_347 & mask_SORT_1 [L549] input_348 = __VERIFIER_nondet_uchar() [L550] input_348 = input_348 & mask_SORT_1 [L551] input_349 = __VERIFIER_nondet_uchar() [L552] input_349 = input_349 & mask_SORT_1 [L553] input_350 = __VERIFIER_nondet_uchar() [L554] input_350 = input_350 & mask_SORT_1 [L555] input_351 = __VERIFIER_nondet_uchar() [L556] input_351 = input_351 & mask_SORT_1 [L557] input_352 = __VERIFIER_nondet_uchar() [L558] input_352 = input_352 & mask_SORT_1 [L559] input_366 = __VERIFIER_nondet_uchar() [L560] input_366 = input_366 & mask_SORT_1 [L561] input_370 = __VERIFIER_nondet_uchar() [L562] input_370 = input_370 & mask_SORT_1 [L563] input_371 = __VERIFIER_nondet_uchar() [L564] input_371 = input_371 & mask_SORT_1 [L565] input_372 = __VERIFIER_nondet_uchar() [L566] input_372 = input_372 & mask_SORT_1 [L567] input_373 = __VERIFIER_nondet_uchar() [L568] input_373 = input_373 & mask_SORT_1 [L569] input_374 = __VERIFIER_nondet_uchar() [L570] input_374 = input_374 & mask_SORT_1 [L571] input_375 = __VERIFIER_nondet_uchar() [L572] input_375 = input_375 & mask_SORT_1 [L573] input_376 = __VERIFIER_nondet_uchar() [L574] input_376 = input_376 & mask_SORT_1 [L575] input_377 = __VERIFIER_nondet_uchar() [L576] input_377 = input_377 & mask_SORT_1 [L577] input_391 = __VERIFIER_nondet_uchar() [L578] input_391 = input_391 & mask_SORT_1 [L579] input_395 = __VERIFIER_nondet_uchar() [L580] input_395 = input_395 & mask_SORT_1 [L581] input_396 = __VERIFIER_nondet_uchar() [L582] input_396 = input_396 & mask_SORT_1 [L583] input_397 = __VERIFIER_nondet_uchar() [L584] input_397 = input_397 & mask_SORT_1 [L585] input_398 = __VERIFIER_nondet_uchar() [L586] input_398 = input_398 & mask_SORT_1 [L587] input_399 = __VERIFIER_nondet_uchar() [L588] input_399 = input_399 & mask_SORT_1 [L589] input_400 = __VERIFIER_nondet_uchar() [L590] input_400 = input_400 & mask_SORT_1 [L591] input_401 = __VERIFIER_nondet_uchar() [L592] input_401 = input_401 & mask_SORT_1 [L593] input_402 = __VERIFIER_nondet_uchar() [L594] input_402 = input_402 & mask_SORT_1 [L595] input_420 = __VERIFIER_nondet_uchar() [L596] input_430 = __VERIFIER_nondet_uchar() [L597] input_434 = __VERIFIER_nondet_uchar() [L598] input_438 = __VERIFIER_nondet_uchar() [L599] input_447 = __VERIFIER_nondet_uchar() [L600] input_453 = __VERIFIER_nondet_uchar() [L601] input_458 = __VERIFIER_nondet_uchar() [L602] input_467 = __VERIFIER_nondet_uchar() [L603] input_477 = __VERIFIER_nondet_uchar() [L604] input_487 = __VERIFIER_nondet_uchar() [L605] input_491 = __VERIFIER_nondet_uchar() [L606] input_495 = __VERIFIER_nondet_uchar() [L607] input_504 = __VERIFIER_nondet_uchar() [L608] input_510 = __VERIFIER_nondet_uchar() [L609] input_515 = __VERIFIER_nondet_uchar() [L610] input_524 = __VERIFIER_nondet_uchar() [L611] input_534 = __VERIFIER_nondet_uchar() [L612] input_544 = __VERIFIER_nondet_uchar() [L613] input_548 = __VERIFIER_nondet_uchar() [L614] input_552 = __VERIFIER_nondet_uchar() [L615] input_561 = __VERIFIER_nondet_uchar() [L616] input_567 = __VERIFIER_nondet_uchar() [L617] input_572 = __VERIFIER_nondet_uchar() [L618] input_581 = __VERIFIER_nondet_uchar() [L619] input_591 = __VERIFIER_nondet_uchar() [L620] input_601 = __VERIFIER_nondet_uchar() [L621] input_605 = __VERIFIER_nondet_uchar() [L622] input_609 = __VERIFIER_nondet_uchar() [L623] input_618 = __VERIFIER_nondet_uchar() [L624] input_624 = __VERIFIER_nondet_uchar() [L625] input_629 = __VERIFIER_nondet_uchar() [L626] input_638 = __VERIFIER_nondet_uchar() [L627] input_648 = __VERIFIER_nondet_uchar() [L628] input_658 = __VERIFIER_nondet_uchar() [L629] input_662 = __VERIFIER_nondet_uchar() [L630] input_666 = __VERIFIER_nondet_uchar() [L631] input_675 = __VERIFIER_nondet_uchar() [L632] input_681 = __VERIFIER_nondet_uchar() [L633] input_686 = __VERIFIER_nondet_uchar() [L634] input_695 = __VERIFIER_nondet_uchar() [L637] SORT_1 var_181_arg_0 = state_71; [L638] SORT_4 var_181_arg_1 = var_179; [L639] SORT_4 var_181_arg_2 = var_180; [L640] SORT_4 var_181 = var_181_arg_0 ? var_181_arg_1 : var_181_arg_2; [L641] SORT_1 var_182_arg_0 = state_97; [L642] SORT_4 var_182_arg_1 = var_179; [L643] SORT_4 var_182_arg_2 = var_180; [L644] SORT_4 var_182 = var_182_arg_0 ? var_182_arg_1 : var_182_arg_2; [L645] SORT_4 var_183_arg_0 = var_181; [L646] SORT_4 var_183_arg_1 = var_182; [L647] SORT_4 var_183 = var_183_arg_0 + var_183_arg_1; [L648] SORT_1 var_184_arg_0 = state_123; [L649] SORT_4 var_184_arg_1 = var_179; [L650] SORT_4 var_184_arg_2 = var_180; [L651] SORT_4 var_184 = var_184_arg_0 ? var_184_arg_1 : var_184_arg_2; [L652] SORT_4 var_185_arg_0 = var_183; [L653] SORT_4 var_185_arg_1 = var_184; [L654] SORT_4 var_185 = var_185_arg_0 + var_185_arg_1; [L655] SORT_1 var_186_arg_0 = state_149; [L656] SORT_4 var_186_arg_1 = var_179; [L657] SORT_4 var_186_arg_2 = var_180; [L658] SORT_4 var_186 = var_186_arg_0 ? var_186_arg_1 : var_186_arg_2; [L659] SORT_4 var_187_arg_0 = var_185; [L660] SORT_4 var_187_arg_1 = var_186; [L661] SORT_4 var_187 = var_187_arg_0 + var_187_arg_1; [L662] SORT_1 var_188_arg_0 = state_175; [L663] SORT_4 var_188_arg_1 = var_179; [L664] SORT_4 var_188_arg_2 = var_180; [L665] SORT_4 var_188 = var_188_arg_0 ? var_188_arg_1 : var_188_arg_2; [L666] SORT_4 var_189_arg_0 = var_187; [L667] SORT_4 var_189_arg_1 = var_188; [L668] SORT_4 var_189 = var_189_arg_0 + var_189_arg_1; [L669] var_189 = var_189 & mask_SORT_4 [L670] SORT_4 var_190_arg_0 = var_189; [L671] SORT_4 var_190_arg_1 = var_179; [L672] SORT_1 var_190 = var_190_arg_0 <= var_190_arg_1; [L673] SORT_1 var_191_arg_0 = ~state_177; [L674] var_191_arg_0 = var_191_arg_0 & mask_SORT_1 [L675] SORT_1 var_191_arg_1 = ~var_190; [L676] var_191_arg_1 = var_191_arg_1 & mask_SORT_1 [L677] SORT_1 var_191 = var_191_arg_0 & var_191_arg_1; [L678] var_191 = var_191 & mask_SORT_1 [L679] SORT_1 bad_192_arg_0 = var_191; [L680] CALL __VERIFIER_assert(!(bad_192_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-19 08:03:53,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c0d4717f586c3229c800efb1c037b118b62ba386703428d487c3c9a0e10a99f5 --- 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 [2022-11-19 08:03:56,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:03:56,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:03:56,460 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:03:56,460 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:03:56,465 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:03:56,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:03:56,472 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:03:56,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:03:56,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:03:56,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:03:56,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:03:56,487 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:03:56,489 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:03:56,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:03:56,496 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:03:56,497 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:03:56,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:03:56,501 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:03:56,505 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:03:56,511 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:03:56,513 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:03:56,514 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:03:56,516 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:03:56,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:03:56,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:03:56,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:03:56,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:03:56,531 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:03:56,532 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:03:56,532 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:03:56,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:03:56,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:03:56,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:03:56,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:03:56,537 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:03:56,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:03:56,538 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:03:56,538 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:03:56,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:03:56,541 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:03:56,546 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-19 08:03:56,578 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:03:56,578 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:03:56,580 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:03:56,580 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:03:56,581 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:03:56,581 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:03:56,581 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:03:56,582 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:03:56,582 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:03:56,582 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:03:56,583 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:03:56,583 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:03:56,585 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:03:56,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:03:56,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:03:56,586 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:03:56,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:03:56,586 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-19 08:03:56,586 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 08:03:56,586 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 08:03:56,587 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:03:56,587 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:03:56,587 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:03:56,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:03:56,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 08:03:56,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:03:56,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:03:56,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:03:56,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:03:56,589 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:03:56,589 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 08:03:56,589 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 08:03:56,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:03:56,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:03:56,590 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 08:03:56,591 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c0d4717f586c3229c800efb1c037b118b62ba386703428d487c3c9a0e10a99f5 [2022-11-19 08:03:56,994 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:03:57,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:03:57,022 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:03:57,024 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:03:57,024 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:03:57,026 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:03:57,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/0ed1085bd/5039b02a37d94a4887b75cef0968e02d/FLAGad517bdaf [2022-11-19 08:03:57,840 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:03:57,841 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:03:57,873 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/0ed1085bd/5039b02a37d94a4887b75cef0968e02d/FLAGad517bdaf [2022-11-19 08:03:57,946 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/data/0ed1085bd/5039b02a37d94a4887b75cef0968e02d [2022-11-19 08:03:57,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:03:57,950 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:03:57,951 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:03:57,951 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:03:57,958 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:03:57,959 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:57" (1/1) ... [2022-11-19 08:03:57,961 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ed12d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:57, skipping insertion in model container [2022-11-19 08:03:57,961 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:03:57" (1/1) ... [2022-11-19 08:03:57,973 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:03:58,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:03:58,379 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c[1014,1027] [2022-11-19 08:03:59,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:03:59,173 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:03:59,186 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_3c77a2d6-8d73-45b5-b7b3-375173391cea/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.szymanski.5.prop1-func-interl.c[1014,1027] [2022-11-19 08:03:59,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:03:59,545 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:03:59,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59 WrapperNode [2022-11-19 08:03:59,546 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:03:59,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:03:59,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:03:59,548 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:03:59,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:03:59,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:03:59,875 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6191 [2022-11-19 08:03:59,876 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:03:59,877 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:03:59,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:03:59,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:03:59,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:03:59,887 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:03:59,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:03:59,938 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,047 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,061 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,115 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,134 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:04:00,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:04:00,185 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:04:00,185 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:04:00,186 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (1/1) ... [2022-11-19 08:04:00,216 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:04:00,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:04:00,265 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:04:00,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:04:00,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:04:00,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:04:01,441 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:04:01,442 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:04:16,924 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:04:16,932 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:04:16,932 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-19 08:04:16,934 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:16 BoogieIcfgContainer [2022-11-19 08:04:16,934 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:04:16,938 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:04:16,938 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:04:16,942 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:04:16,942 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:03:57" (1/3) ... [2022-11-19 08:04:16,943 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c8ac57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:16, skipping insertion in model container [2022-11-19 08:04:16,943 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:03:59" (2/3) ... [2022-11-19 08:04:16,944 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73c8ac57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:04:16, skipping insertion in model container [2022-11-19 08:04:16,944 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:04:16" (3/3) ... [2022-11-19 08:04:16,945 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.szymanski.5.prop1-func-interl.c [2022-11-19 08:04:16,965 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:04:16,965 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 08:04:17,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:04:17,043 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@544f9f0c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:04:17,043 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 08:04:17,048 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) [2022-11-19 08:04:17,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 08:04:17,055 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:17,055 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 08:04:17,056 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:17,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:17,064 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-19 08:04:17,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:04:17,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1381465274] [2022-11-19 08:04:17,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:17,081 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 [2022-11-19 08:04:17,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:04:17,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 08:04:17,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:04:18,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:18,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-19 08:04:18,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:04:18,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:18,908 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 08:04:18,909 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:04:18,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1381465274] [2022-11-19 08:04:18,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1381465274] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:04:18,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:04:18,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 08:04:18,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94841692] [2022-11-19 08:04:18,916 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:04:18,921 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 08:04:18,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 08:04:18,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 08:04:18,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 08:04:18,969 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) [2022-11-19 08:04:20,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:04:20,003 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-19 08:04:20,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 08:04:20,008 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 [2022-11-19 08:04:20,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:04:20,016 INFO L225 Difference]: With dead ends: 20 [2022-11-19 08:04:20,017 INFO L226 Difference]: Without dead ends: 11 [2022-11-19 08:04:20,019 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 08:04:20,023 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:04:20,025 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-19 08:04:20,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-19 08:04:20,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-19 08:04:20,059 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) [2022-11-19 08:04:20,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-19 08:04:20,061 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-19 08:04:20,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:04:20,062 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-19 08:04:20,062 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) [2022-11-19 08:04:20,062 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-19 08:04:20,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:04:20,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:04:20,064 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-19 08:04:20,086 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:04:20,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:04:20,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 08:04:20,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:04:20,281 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-19 08:04:20,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 08:04:20,290 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1135864885] [2022-11-19 08:04:20,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:04:20,290 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 [2022-11-19 08:04:20,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 08:04:20,292 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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) [2022-11-19 08:04:20,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/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 [2022-11-19 08:04:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:04:23,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 5502 conjuncts, 336 conjunts are in the unsatisfiable core [2022-11-19 08:04:23,583 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:04:34,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:04:34,268 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:07:32,846 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification that was a NOOP. DAG size: 1005 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:07:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:07:39,956 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 08:07:39,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1135864885] [2022-11-19 08:07:39,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1135864885] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:07:39,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1893644916] [2022-11-19 08:07:39,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:07:39,957 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-19 08:07:39,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/cvc4 [2022-11-19 08:07:39,962 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-19 08:07:39,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-19 08:07:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:07:45,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 5502 conjuncts, 333 conjunts are in the unsatisfiable core [2022-11-19 08:07:45,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:08:08,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:08:08,576 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:09:25,078 WARN L233 SmtUtils]: Spent 1.04m on a formula simplification. DAG size of input: 94 DAG size of output: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:12:56,749 WARN L233 SmtUtils]: Spent 2.20m on a formula simplification that was a NOOP. DAG size: 748 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 08:13:02,887 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:02,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1893644916] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 08:13:02,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1160811369] [2022-11-19 08:13:02,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:13:02,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 08:13:02,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:13:02,895 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 08:13:02,896 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c77a2d6-8d73-45b5-b7b3-375173391cea/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 08:13:05,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:13:05,302 INFO L263 TraceCheckSpWp]: Trace formula consists of 5502 conjuncts, 336 conjunts are in the unsatisfiable core [2022-11-19 08:13:05,342 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 08:13:17,627 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:13:17,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 08:14:25,516 WARN L233 SmtUtils]: Spent 39.14s on a formula simplification. DAG size of input: 94 DAG size of output: 71 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)