./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0 --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 c5cd48c13dae025af0de3907c3a577c32ffdbbaded1c6cce15515f9e93358727 --- 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-e04fb08 [2022-11-16 19:29:06,692 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:29:06,695 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:29:06,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:29:06,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:29:06,729 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:29:06,732 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:29:06,736 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:29:06,740 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:29:06,749 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:29:06,751 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:29:06,753 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:29:06,755 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:29:06,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:29:06,759 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:29:06,761 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:29:06,763 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:29:06,764 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:29:06,770 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:29:06,772 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:29:06,776 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:29:06,778 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:29:06,781 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:29:06,782 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:29:06,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:29:06,795 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:29:06,796 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:29:06,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:29:06,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:29:06,800 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:29:06,800 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:29:06,801 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:29:06,803 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:29:06,806 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:29:06,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:29:06,809 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:29:06,810 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:29:06,810 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:29:06,810 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:29:06,811 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:29:06,812 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:29:06,813 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 19:29:06,861 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:29:06,861 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:29:06,862 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:29:06,863 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:29:06,864 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:29:06,864 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:29:06,865 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:29:06,865 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:29:06,865 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:29:06,865 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:29:06,867 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:29:06,867 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:29:06,867 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:29:06,868 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:29:06,868 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:29:06,868 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:29:06,868 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:29:06,869 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:29:06,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:29:06,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:29:06,870 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:29:06,870 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:29:06,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:29:06,872 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:29:06,873 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:29:06,873 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:29:06,873 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:29:06,874 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:29:06,874 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:29:06,874 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:06,875 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:29:06,875 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:29:06,875 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:29:06,876 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:29:06,876 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:29:06,876 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:29:06,876 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:29:06,877 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:29:06,877 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5cd48c13dae025af0de3907c3a577c32ffdbbaded1c6cce15515f9e93358727 [2022-11-16 19:29:07,195 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:29:07,219 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:29:07,222 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:29:07,223 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:29:07,224 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:29:07,226 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:07,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/8e47fe7b2/0778b085f91a4887bbb99f9797bbe165/FLAG7a7af3818 [2022-11-16 19:29:08,094 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:29:08,094 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:08,130 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/8e47fe7b2/0778b085f91a4887bbb99f9797bbe165/FLAG7a7af3818 [2022-11-16 19:29:08,218 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/8e47fe7b2/0778b085f91a4887bbb99f9797bbe165 [2022-11-16 19:29:08,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:29:08,224 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:29:08,227 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:08,228 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:29:08,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:29:08,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:08" (1/1) ... [2022-11-16 19:29:08,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c064b8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:08, skipping insertion in model container [2022-11-16 19:29:08,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:08" (1/1) ... [2022-11-16 19:29:08,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:29:08,395 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:29:08,737 WARN L229 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c[1107,1120] [2022-11-16 19:29:09,355 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:09,360 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:29:09,371 WARN L229 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c[1107,1120] [2022-11-16 19:29:09,641 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:09,653 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:29:09,653 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09 WrapperNode [2022-11-16 19:29:09,654 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:09,655 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:09,655 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:29:09,655 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:29:09,663 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:09,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,007 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 6507 [2022-11-16 19:29:10,008 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:10,008 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:29:10,009 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:29:10,009 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:29:10,019 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,019 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,102 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,103 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,216 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,260 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,280 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:29:10,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:29:10,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:29:10,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:29:10,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (1/1) ... [2022-11-16 19:29:10,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:10,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:10,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:29:10,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:29:10,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:29:10,434 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:29:11,375 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:29:11,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:29:16,115 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:29:32,641 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:29:32,642 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:29:32,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:32 BoogieIcfgContainer [2022-11-16 19:29:32,644 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:29:32,652 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:29:32,652 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:29:32,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:29:32,666 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:29:08" (1/3) ... [2022-11-16 19:29:32,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2709c428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:32, skipping insertion in model container [2022-11-16 19:29:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:09" (2/3) ... [2022-11-16 19:29:32,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2709c428 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:32, skipping insertion in model container [2022-11-16 19:29:32,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:32" (3/3) ... [2022-11-16 19:29:32,669 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:32,688 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:29:32,688 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:29:32,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:29:32,763 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;@3cf6b24c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:29:32,763 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:29:32,768 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) [2022-11-16 19:29:32,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:29:32,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:32,773 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:29:32,774 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:32,778 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:32,778 INFO L85 PathProgramCache]: Analyzing trace with hash 82178986, now seen corresponding path program 1 times [2022-11-16 19:29:32,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:29:32,787 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846658691] [2022-11-16 19:29:32,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:32,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:29:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:29:33,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:29:33,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:29:33,540 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:29:33,543 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:29:33,544 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 19:29:33,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:29:33,551 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-16 19:29:33,556 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 19:29:33,614 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 19:29:33,642 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 07:29:33 BoogieIcfgContainer [2022-11-16 19:29:33,648 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 19:29:33,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 19:29:33,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 19:29:33,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 19:29:33,652 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:32" (3/4) ... [2022-11-16 19:29:33,655 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 19:29:33,656 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 19:29:33,657 INFO L158 Benchmark]: Toolchain (without parser) took 25432.70ms. Allocated memory was 100.7MB in the beginning and 7.2GB in the end (delta: 7.1GB). Free memory was 56.9MB in the beginning and 6.9GB in the end (delta: -6.8GB). Peak memory consumption was 312.9MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,658 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 75.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1426.95ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 56.7MB in the beginning and 51.8MB in the end (delta: 4.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,661 INFO L158 Benchmark]: Boogie Procedure Inliner took 353.08ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 51.8MB in the beginning and 148.6MB in the end (delta: -96.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,666 INFO L158 Benchmark]: Boogie Preprocessor took 333.10ms. Allocated memory is still 232.8MB. Free memory was 148.6MB in the beginning and 132.1MB in the end (delta: 16.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,667 INFO L158 Benchmark]: RCFGBuilder took 22302.13ms. Allocated memory was 232.8MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 131.4MB in the beginning and 6.9GB in the end (delta: -6.8GB). Peak memory consumption was 847.0MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,668 INFO L158 Benchmark]: TraceAbstraction took 996.00ms. Allocated memory is still 7.2GB. Free memory was 6.9GB in the beginning and 6.9GB in the end (delta: 89.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. [2022-11-16 19:29:33,669 INFO L158 Benchmark]: Witness Printer took 5.90ms. Allocated memory is still 7.2GB. Free memory was 6.9GB in the beginning and 6.9GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 19:29:33,674 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 100.7MB. Free memory was 80.6MB in the beginning and 80.6MB in the end (delta: 75.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1426.95ms. Allocated memory was 100.7MB in the beginning and 132.1MB in the end (delta: 31.5MB). Free memory was 56.7MB in the beginning and 51.8MB in the end (delta: 4.9MB). Peak memory consumption was 46.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 353.08ms. Allocated memory was 132.1MB in the beginning and 232.8MB in the end (delta: 100.7MB). Free memory was 51.8MB in the beginning and 148.6MB in the end (delta: -96.8MB). Peak memory consumption was 28.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 333.10ms. Allocated memory is still 232.8MB. Free memory was 148.6MB in the beginning and 132.1MB in the end (delta: 16.5MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * RCFGBuilder took 22302.13ms. Allocated memory was 232.8MB in the beginning and 7.2GB in the end (delta: 7.0GB). Free memory was 131.4MB in the beginning and 6.9GB in the end (delta: -6.8GB). Peak memory consumption was 847.0MB. Max. memory is 16.1GB. * TraceAbstraction took 996.00ms. Allocated memory is still 7.2GB. Free memory was 6.9GB in the beginning and 6.9GB in the end (delta: 89.1MB). Peak memory consumption was 90.2MB. Max. memory is 16.1GB. * Witness Printer took 5.90ms. Allocated memory is still 7.2GB. Free memory was 6.9GB in the beginning and 6.9GB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 696, overapproximation of bitwiseComplement at line 690, overapproximation of bitwiseAnd at line 458. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 4); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (4 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 32); [L35] const SORT_10 msb_SORT_10 = (SORT_10)1 << (32 - 1); [L37] const SORT_34 mask_SORT_34 = (SORT_34)-1 >> (sizeof(SORT_34) * 8 - 5); [L38] const SORT_34 msb_SORT_34 = (SORT_34)1 << (5 - 1); [L40] const SORT_38 mask_SORT_38 = (SORT_38)-1 >> (sizeof(SORT_38) * 8 - 6); [L41] const SORT_38 msb_SORT_38 = (SORT_38)1 << (6 - 1); [L43] const SORT_50 mask_SORT_50 = (SORT_50)-1 >> (sizeof(SORT_50) * 8 - 2); [L44] const SORT_50 msb_SORT_50 = (SORT_50)1 << (2 - 1); [L46] const SORT_6 var_7 = 0; [L47] const SORT_10 var_12 = 0; [L48] const SORT_1 var_14 = 0; [L49] const SORT_10 var_18 = 1; [L50] const SORT_1 var_30 = 1; [L51] const SORT_34 var_35 = 0; [L52] const SORT_38 var_39 = 0; [L53] const SORT_50 var_51 = 0; [L54] const SORT_10 var_145 = 2; [L55] const SORT_10 var_156 = 3; [L56] const SORT_6 var_159 = 1; [L57] const SORT_10 var_166 = 4; [L58] const SORT_6 var_169 = 2; [L59] const SORT_10 var_181 = 5; [L60] const SORT_6 var_184 = 3; [L61] const SORT_10 var_191 = 6; [L62] const SORT_6 var_194 = 4; [L63] const SORT_6 var_205 = 5; [L64] const SORT_34 var_219 = 1; [L65] const SORT_34 var_227 = 6; [L66] const SORT_34 var_232 = 5; [L67] const SORT_34 var_264 = 10; [L68] const SORT_34 var_295 = 12; [L69] const SORT_10 var_306 = 32; [L70] const SORT_34 var_316 = 13; [L71] const SORT_34 var_330 = 15; [L72] const SORT_34 var_347 = 20; [L73] const SORT_34 var_360 = 21; [L74] const SORT_34 var_370 = 22; [L75] const SORT_34 var_382 = 23; [L76] const SORT_34 var_389 = 24; [L77] const SORT_34 var_398 = 25; [L78] const SORT_34 var_408 = 19; [L79] const SORT_34 var_534 = 2; [L80] const SORT_34 var_537 = 3; [L81] const SORT_34 var_540 = 17; [L82] const SORT_34 var_543 = 8; [L83] const SORT_34 var_560 = 7; [L84] const SORT_38 var_563 = 33; [L85] const SORT_38 var_620 = 8; [L86] const SORT_34 var_652 = 16; [L87] const SORT_34 var_758 = 4; [L88] const SORT_34 var_785 = 9; [L89] const SORT_34 var_798 = 14; [L90] const SORT_34 var_799 = 11; [L91] const SORT_34 var_937 = 18; [L92] const SORT_50 var_1080 = 3; [L94] SORT_1 input_2; [L95] SORT_3 input_4; [L96] SORT_1 input_5; [L97] SORT_50 input_58; [L98] SORT_3 input_126; [L99] SORT_1 input_128; [L100] SORT_6 input_141; [L101] SORT_6 input_142; [L102] SORT_6 input_143; [L103] SORT_6 input_153; [L104] SORT_6 input_154; [L105] SORT_6 input_163; [L106] SORT_6 input_164; [L107] SORT_6 input_178; [L108] SORT_6 input_179; [L109] SORT_6 input_188; [L110] SORT_6 input_189; [L111] SORT_6 input_200; [L112] SORT_6 input_201; [L113] SORT_1 input_223; [L114] SORT_1 input_236; [L115] SORT_1 input_237; [L116] SORT_1 input_238; [L117] SORT_1 input_239; [L118] SORT_1 input_240; [L119] SORT_1 input_245; [L120] SORT_1 input_250; [L121] SORT_1 input_255; [L122] SORT_1 input_260; [L123] SORT_1 input_268; [L124] SORT_1 input_270; [L125] SORT_1 input_272; [L126] SORT_1 input_277; [L127] SORT_1 input_279; [L128] SORT_1 input_284; [L129] SORT_1 input_291; [L130] SORT_1 input_300; [L131] SORT_1 input_301; [L132] SORT_1 input_302; [L133] SORT_1 input_303; [L134] SORT_1 input_304; [L135] SORT_1 input_310; [L136] SORT_1 input_326; [L137] SORT_1 input_343; [L138] SORT_1 input_352; [L139] SORT_1 input_353; [L140] SORT_1 input_354; [L141] SORT_1 input_366; [L142] SORT_1 input_378; [L143] SORT_1 input_385; [L144] SORT_1 input_394; [L145] SORT_1 input_416; [L146] SORT_1 input_417; [L147] SORT_1 input_418; [L148] SORT_1 input_426; [L149] SORT_1 input_427; [L150] SORT_1 input_433; [L151] SORT_1 input_434; [L152] SORT_1 input_445; [L153] SORT_1 input_446; [L154] SORT_1 input_452; [L155] SORT_1 input_453; [L156] SORT_1 input_461; [L157] SORT_1 input_462; [L158] SORT_1 input_478; [L159] SORT_1 input_479; [L160] SORT_1 input_480; [L161] SORT_1 input_487; [L162] SORT_1 input_488; [L163] SORT_1 input_493; [L164] SORT_1 input_494; [L165] SORT_1 input_504; [L166] SORT_1 input_505; [L167] SORT_1 input_510; [L168] SORT_1 input_511; [L169] SORT_1 input_518; [L170] SORT_1 input_519; [L171] SORT_38 input_550; [L172] SORT_38 input_556; [L173] SORT_38 input_569; [L174] SORT_38 input_570; [L175] SORT_38 input_571; [L176] SORT_38 input_572; [L177] SORT_38 input_573; [L178] SORT_38 input_575; [L179] SORT_38 input_577; [L180] SORT_38 input_579; [L181] SORT_38 input_581; [L182] SORT_38 input_586; [L183] SORT_38 input_588; [L184] SORT_38 input_590; [L185] SORT_38 input_595; [L186] SORT_38 input_597; [L187] SORT_38 input_602; [L188] SORT_38 input_609; [L189] SORT_38 input_615; [L190] SORT_38 input_616; [L191] SORT_38 input_617; [L192] SORT_38 input_618; [L193] SORT_38 input_619; [L194] SORT_38 input_622; [L195] SORT_38 input_634; [L196] SORT_38 input_648; [L197] SORT_38 input_657; [L198] SORT_38 input_661; [L199] SORT_38 input_662; [L200] SORT_38 input_663; [L201] SORT_38 input_676; [L202] SORT_38 input_680; [L203] SORT_38 input_686; [L204] SORT_38 input_690; [L205] SORT_34 input_768; [L206] SORT_34 input_772; [L207] SORT_34 input_773; [L208] SORT_34 input_774; [L209] SORT_34 input_791; [L210] SORT_34 input_792; [L211] SORT_34 input_793; [L212] SORT_34 input_794; [L213] SORT_34 input_795; [L214] SORT_34 input_796; [L215] SORT_34 input_797; [L216] SORT_34 input_804; [L217] SORT_34 input_806; [L218] SORT_34 input_808; [L219] SORT_34 input_810; [L220] SORT_34 input_815; [L221] SORT_34 input_817; [L222] SORT_34 input_819; [L223] SORT_34 input_821; [L224] SORT_34 input_825; [L225] SORT_34 input_826; [L226] SORT_34 input_831; [L227] SORT_34 input_833; [L228] SORT_34 input_835; [L229] SORT_34 input_840; [L230] SORT_34 input_842; [L231] SORT_34 input_844; [L232] SORT_34 input_848; [L233] SORT_34 input_849; [L234] SORT_34 input_854; [L235] SORT_34 input_856; [L236] SORT_34 input_861; [L237] SORT_34 input_863; [L238] SORT_34 input_867; [L239] SORT_34 input_868; [L240] SORT_34 input_873; [L241] SORT_34 input_878; [L242] SORT_34 input_887; [L243] SORT_34 input_904; [L244] SORT_34 input_905; [L245] SORT_34 input_906; [L246] SORT_34 input_907; [L247] SORT_34 input_908; [L248] SORT_34 input_910; [L249] SORT_34 input_924; [L250] SORT_34 input_928; [L251] SORT_34 input_947; [L252] SORT_34 input_951; [L253] SORT_34 input_952; [L254] SORT_34 input_953; [L255] SORT_34 input_963; [L256] SORT_34 input_969; [L257] SORT_34 input_973; [L258] SORT_34 input_979; [L259] SORT_34 input_1006; [L260] SORT_34 input_1012; [L261] SORT_34 input_1013; [L262] SORT_34 input_1014; [L263] SORT_34 input_1015; [L264] SORT_34 input_1016; [L265] SORT_34 input_1021; [L266] SORT_34 input_1033; [L267] SORT_34 input_1039; [L268] SORT_34 input_1040; [L269] SORT_34 input_1041; [L270] SORT_50 input_1061; [L271] SORT_34 input_1064; [L272] SORT_34 input_1395; [L273] SORT_34 input_1396; [L274] SORT_34 input_1397; [L275] SORT_34 input_1408; [L276] SORT_34 input_1409; [L277] SORT_34 input_1410; [L278] SORT_6 input_1430; [L279] SORT_6 input_1431; [L280] SORT_6 input_1432; [L281] SORT_6 input_1433; [L282] SORT_6 input_1434; [L283] SORT_6 input_1436; [L284] SORT_6 input_1438; [L285] SORT_6 input_1440; [L286] SORT_6 input_1442; [L287] SORT_6 input_1447; [L288] SORT_6 input_1449; [L289] SORT_6 input_1451; [L290] SORT_6 input_1456; [L291] SORT_6 input_1458; [L292] SORT_6 input_1463; [L293] SORT_6 input_1470; [L294] SORT_6 input_1471; [L295] SORT_6 input_1472; [L296] SORT_6 input_1473; [L297] SORT_6 input_1474; [L298] SORT_6 input_1476; [L299] SORT_6 input_1493; [L300] SORT_6 input_1494; [L301] SORT_6 input_1495; [L302] SORT_6 input_1505; [L303] SORT_6 input_1509; [L304] SORT_38 input_1526; [L305] SORT_38 input_1527; [L306] SORT_38 input_1528; [L307] SORT_38 input_1529; [L308] SORT_38 input_1530; [L309] SORT_38 input_1535; [L311] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L312] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L313] SORT_1 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L314] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L315] SORT_34 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L316] SORT_38 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_38; [L317] SORT_50 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L318] SORT_50 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L319] SORT_34 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L320] SORT_34 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L321] SORT_50 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L322] SORT_50 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L323] SORT_50 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L324] SORT_50 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L325] SORT_50 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L326] SORT_50 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L327] SORT_50 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L328] SORT_50 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L329] SORT_50 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L330] SORT_50 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L331] SORT_50 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L332] SORT_50 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L333] SORT_50 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L334] SORT_50 state_88 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L335] SORT_50 state_90 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L336] SORT_50 state_92 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L337] SORT_50 state_94 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L338] SORT_50 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L339] SORT_50 state_98 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L340] SORT_50 state_100 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L341] SORT_50 state_102 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L342] SORT_50 state_104 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L343] SORT_50 state_106 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L344] SORT_50 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L345] SORT_50 state_110 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L346] SORT_50 state_112 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L347] SORT_50 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L348] SORT_50 state_116 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L349] SORT_50 state_118 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L350] SORT_50 state_120 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L351] SORT_50 state_122 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L352] SORT_50 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L353] SORT_50 state_130 = __VERIFIER_nondet_uchar() & mask_SORT_50; [L354] SORT_34 state_133 = __VERIFIER_nondet_uchar() & mask_SORT_34; [L355] SORT_6 state_135 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L356] SORT_38 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_38; [L357] SORT_1 state_139 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L359] SORT_6 init_9_arg_1 = var_7; [L360] state_8 = init_9_arg_1 [L361] SORT_1 init_16_arg_1 = var_14; [L362] state_15 = init_16_arg_1 [L363] SORT_1 init_23_arg_1 = var_14; [L364] state_22 = init_23_arg_1 [L365] SORT_1 init_25_arg_1 = var_14; [L366] state_24 = init_25_arg_1 [L367] SORT_34 init_37_arg_1 = var_35; [L368] state_36 = init_37_arg_1 [L369] SORT_38 init_41_arg_1 = var_39; [L370] state_40 = init_41_arg_1 [L371] SORT_50 init_53_arg_1 = var_51; [L372] state_52 = init_53_arg_1 [L373] SORT_50 init_55_arg_1 = var_51; [L374] state_54 = init_55_arg_1 [L375] SORT_34 init_57_arg_1 = var_35; [L376] state_56 = init_57_arg_1 [L377] SORT_34 init_61_arg_1 = var_35; [L378] state_60 = init_61_arg_1 [L379] SORT_50 init_63_arg_1 = var_51; [L380] state_62 = init_63_arg_1 [L381] SORT_50 init_65_arg_1 = var_51; [L382] state_64 = init_65_arg_1 [L383] SORT_50 init_67_arg_1 = var_51; [L384] state_66 = init_67_arg_1 [L385] SORT_50 init_69_arg_1 = var_51; [L386] state_68 = init_69_arg_1 [L387] SORT_50 init_71_arg_1 = var_51; [L388] state_70 = init_71_arg_1 [L389] SORT_50 init_73_arg_1 = var_51; [L390] state_72 = init_73_arg_1 [L391] SORT_50 init_75_arg_1 = var_51; [L392] state_74 = init_75_arg_1 [L393] SORT_50 init_77_arg_1 = var_51; [L394] state_76 = init_77_arg_1 [L395] SORT_50 init_79_arg_1 = var_51; [L396] state_78 = init_79_arg_1 [L397] SORT_50 init_81_arg_1 = var_51; [L398] state_80 = init_81_arg_1 [L399] SORT_50 init_83_arg_1 = var_51; [L400] state_82 = init_83_arg_1 [L401] SORT_50 init_85_arg_1 = var_51; [L402] state_84 = init_85_arg_1 [L403] SORT_50 init_87_arg_1 = var_51; [L404] state_86 = init_87_arg_1 [L405] SORT_50 init_89_arg_1 = var_51; [L406] state_88 = init_89_arg_1 [L407] SORT_50 init_91_arg_1 = var_51; [L408] state_90 = init_91_arg_1 [L409] SORT_50 init_93_arg_1 = var_51; [L410] state_92 = init_93_arg_1 [L411] SORT_50 init_95_arg_1 = var_51; [L412] state_94 = init_95_arg_1 [L413] SORT_50 init_97_arg_1 = var_51; [L414] state_96 = init_97_arg_1 [L415] SORT_50 init_99_arg_1 = var_51; [L416] state_98 = init_99_arg_1 [L417] SORT_50 init_101_arg_1 = var_51; [L418] state_100 = init_101_arg_1 [L419] SORT_50 init_103_arg_1 = var_51; [L420] state_102 = init_103_arg_1 [L421] SORT_50 init_105_arg_1 = var_51; [L422] state_104 = init_105_arg_1 [L423] SORT_50 init_107_arg_1 = var_51; [L424] state_106 = init_107_arg_1 [L425] SORT_50 init_109_arg_1 = var_51; [L426] state_108 = init_109_arg_1 [L427] SORT_50 init_111_arg_1 = var_51; [L428] state_110 = init_111_arg_1 [L429] SORT_50 init_113_arg_1 = var_51; [L430] state_112 = init_113_arg_1 [L431] SORT_50 init_115_arg_1 = var_51; [L432] state_114 = init_115_arg_1 [L433] SORT_50 init_117_arg_1 = var_51; [L434] state_116 = init_117_arg_1 [L435] SORT_50 init_119_arg_1 = var_51; [L436] state_118 = init_119_arg_1 [L437] SORT_50 init_121_arg_1 = var_51; [L438] state_120 = init_121_arg_1 [L439] SORT_50 init_123_arg_1 = var_51; [L440] state_122 = init_123_arg_1 [L441] SORT_50 init_125_arg_1 = var_51; [L442] state_124 = init_125_arg_1 [L443] SORT_50 init_131_arg_1 = var_51; [L444] state_130 = init_131_arg_1 [L445] SORT_34 init_134_arg_1 = var_35; [L446] state_133 = init_134_arg_1 [L447] SORT_6 init_136_arg_1 = var_7; [L448] state_135 = init_136_arg_1 [L449] SORT_38 init_138_arg_1 = var_39; [L450] state_137 = init_138_arg_1 [L451] SORT_1 init_140_arg_1 = var_14; [L452] state_139 = init_140_arg_1 VAL [init_101_arg_1=0, init_103_arg_1=0, init_105_arg_1=0, init_107_arg_1=0, init_109_arg_1=0, init_111_arg_1=0, init_113_arg_1=0, init_115_arg_1=0, init_117_arg_1=0, init_119_arg_1=0, init_121_arg_1=0, init_123_arg_1=0, init_125_arg_1=0, init_131_arg_1=0, init_134_arg_1=0, init_136_arg_1=0, init_138_arg_1=0, init_140_arg_1=0, init_16_arg_1=0, init_23_arg_1=0, init_25_arg_1=0, init_37_arg_1=0, init_41_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_89_arg_1=0, init_91_arg_1=0, init_93_arg_1=0, init_95_arg_1=0, init_97_arg_1=0, init_99_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_10=4294967295, mask_SORT_3=15, mask_SORT_34=31, mask_SORT_38=63, mask_SORT_50=3, mask_SORT_6=7, msb_SORT_1=1, msb_SORT_10=2147483648, msb_SORT_3=8, msb_SORT_34=16, msb_SORT_38=32, msb_SORT_50=2, msb_SORT_6=4, state_100=0, state_102=0, state_104=0, state_106=0, state_108=0, state_110=0, state_112=0, state_114=0, state_116=0, state_118=0, state_120=0, state_122=0, state_124=0, state_130=0, state_133=0, state_135=0, state_137=0, state_139=0, state_15=0, state_22=0, state_24=0, state_36=0, state_40=0, state_52=0, state_54=0, state_56=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_8=0, state_80=0, state_82=0, state_84=0, state_86=0, state_88=0, state_90=0, state_92=0, state_94=0, state_96=0, state_98=0, var_1080=3, var_12=0, var_14=0, var_145=2, var_156=3, var_159=1, var_166=4, var_169=2, var_18=1, var_181=5, var_184=3, var_191=6, var_194=4, var_205=5, var_219=1, var_227=6, var_232=5, var_264=10, var_295=12, var_30=1, var_306=32, var_316=13, var_330=15, var_347=20, var_35=0, var_360=21, var_370=22, var_382=23, var_389=24, var_39=0, var_398=25, var_408=19, var_51=0, var_534=2, var_537=3, var_540=17, var_543=8, var_560=7, var_563=33, var_620=8, var_652=16, var_7=0, var_758=4, var_785=9, var_798=14, var_799=11, var_937=18] [L455] input_2 = __VERIFIER_nondet_uchar() [L456] input_4 = __VERIFIER_nondet_uchar() [L457] input_5 = __VERIFIER_nondet_uchar() [L458] input_5 = input_5 & mask_SORT_1 [L459] input_58 = __VERIFIER_nondet_uchar() [L460] input_126 = __VERIFIER_nondet_uchar() [L461] input_128 = __VERIFIER_nondet_uchar() [L462] input_141 = __VERIFIER_nondet_uchar() [L463] input_142 = __VERIFIER_nondet_uchar() [L464] input_143 = __VERIFIER_nondet_uchar() [L465] input_153 = __VERIFIER_nondet_uchar() [L466] input_154 = __VERIFIER_nondet_uchar() [L467] input_163 = __VERIFIER_nondet_uchar() [L468] input_164 = __VERIFIER_nondet_uchar() [L469] input_178 = __VERIFIER_nondet_uchar() [L470] input_179 = __VERIFIER_nondet_uchar() [L471] input_188 = __VERIFIER_nondet_uchar() [L472] input_189 = __VERIFIER_nondet_uchar() [L473] input_200 = __VERIFIER_nondet_uchar() [L474] input_201 = __VERIFIER_nondet_uchar() [L475] input_223 = __VERIFIER_nondet_uchar() [L476] input_236 = __VERIFIER_nondet_uchar() [L477] input_237 = __VERIFIER_nondet_uchar() [L478] input_238 = __VERIFIER_nondet_uchar() [L479] input_239 = __VERIFIER_nondet_uchar() [L480] input_240 = __VERIFIER_nondet_uchar() [L481] input_245 = __VERIFIER_nondet_uchar() [L482] input_250 = __VERIFIER_nondet_uchar() [L483] input_255 = __VERIFIER_nondet_uchar() [L484] input_260 = __VERIFIER_nondet_uchar() [L485] input_268 = __VERIFIER_nondet_uchar() [L486] input_270 = __VERIFIER_nondet_uchar() [L487] input_272 = __VERIFIER_nondet_uchar() [L488] input_277 = __VERIFIER_nondet_uchar() [L489] input_279 = __VERIFIER_nondet_uchar() [L490] input_284 = __VERIFIER_nondet_uchar() [L491] input_291 = __VERIFIER_nondet_uchar() [L492] input_300 = __VERIFIER_nondet_uchar() [L493] input_301 = __VERIFIER_nondet_uchar() [L494] input_302 = __VERIFIER_nondet_uchar() [L495] input_303 = __VERIFIER_nondet_uchar() [L496] input_304 = __VERIFIER_nondet_uchar() [L497] input_310 = __VERIFIER_nondet_uchar() [L498] input_326 = __VERIFIER_nondet_uchar() [L499] input_343 = __VERIFIER_nondet_uchar() [L500] input_352 = __VERIFIER_nondet_uchar() [L501] input_353 = __VERIFIER_nondet_uchar() [L502] input_354 = __VERIFIER_nondet_uchar() [L503] input_366 = __VERIFIER_nondet_uchar() [L504] input_378 = __VERIFIER_nondet_uchar() [L505] input_385 = __VERIFIER_nondet_uchar() [L506] input_394 = __VERIFIER_nondet_uchar() [L507] input_416 = __VERIFIER_nondet_uchar() [L508] input_417 = __VERIFIER_nondet_uchar() [L509] input_418 = __VERIFIER_nondet_uchar() [L510] input_426 = __VERIFIER_nondet_uchar() [L511] input_427 = __VERIFIER_nondet_uchar() [L512] input_433 = __VERIFIER_nondet_uchar() [L513] input_434 = __VERIFIER_nondet_uchar() [L514] input_445 = __VERIFIER_nondet_uchar() [L515] input_446 = __VERIFIER_nondet_uchar() [L516] input_452 = __VERIFIER_nondet_uchar() [L517] input_453 = __VERIFIER_nondet_uchar() [L518] input_461 = __VERIFIER_nondet_uchar() [L519] input_462 = __VERIFIER_nondet_uchar() [L520] input_478 = __VERIFIER_nondet_uchar() [L521] input_479 = __VERIFIER_nondet_uchar() [L522] input_480 = __VERIFIER_nondet_uchar() [L523] input_487 = __VERIFIER_nondet_uchar() [L524] input_488 = __VERIFIER_nondet_uchar() [L525] input_493 = __VERIFIER_nondet_uchar() [L526] input_494 = __VERIFIER_nondet_uchar() [L527] input_504 = __VERIFIER_nondet_uchar() [L528] input_505 = __VERIFIER_nondet_uchar() [L529] input_510 = __VERIFIER_nondet_uchar() [L530] input_511 = __VERIFIER_nondet_uchar() [L531] input_518 = __VERIFIER_nondet_uchar() [L532] input_519 = __VERIFIER_nondet_uchar() [L533] input_550 = __VERIFIER_nondet_uchar() [L534] input_556 = __VERIFIER_nondet_uchar() [L535] input_569 = __VERIFIER_nondet_uchar() [L536] input_570 = __VERIFIER_nondet_uchar() [L537] input_571 = __VERIFIER_nondet_uchar() [L538] input_572 = __VERIFIER_nondet_uchar() [L539] input_573 = __VERIFIER_nondet_uchar() [L540] input_575 = __VERIFIER_nondet_uchar() [L541] input_577 = __VERIFIER_nondet_uchar() [L542] input_579 = __VERIFIER_nondet_uchar() [L543] input_581 = __VERIFIER_nondet_uchar() [L544] input_586 = __VERIFIER_nondet_uchar() [L545] input_588 = __VERIFIER_nondet_uchar() [L546] input_590 = __VERIFIER_nondet_uchar() [L547] input_595 = __VERIFIER_nondet_uchar() [L548] input_597 = __VERIFIER_nondet_uchar() [L549] input_602 = __VERIFIER_nondet_uchar() [L550] input_609 = __VERIFIER_nondet_uchar() [L551] input_615 = __VERIFIER_nondet_uchar() [L552] input_616 = __VERIFIER_nondet_uchar() [L553] input_617 = __VERIFIER_nondet_uchar() [L554] input_618 = __VERIFIER_nondet_uchar() [L555] input_619 = __VERIFIER_nondet_uchar() [L556] input_622 = __VERIFIER_nondet_uchar() [L557] input_634 = __VERIFIER_nondet_uchar() [L558] input_648 = __VERIFIER_nondet_uchar() [L559] input_657 = __VERIFIER_nondet_uchar() [L560] input_661 = __VERIFIER_nondet_uchar() [L561] input_662 = __VERIFIER_nondet_uchar() [L562] input_663 = __VERIFIER_nondet_uchar() [L563] input_676 = __VERIFIER_nondet_uchar() [L564] input_680 = __VERIFIER_nondet_uchar() [L565] input_686 = __VERIFIER_nondet_uchar() [L566] input_690 = __VERIFIER_nondet_uchar() [L567] input_768 = __VERIFIER_nondet_uchar() [L568] input_772 = __VERIFIER_nondet_uchar() [L569] input_773 = __VERIFIER_nondet_uchar() [L570] input_774 = __VERIFIER_nondet_uchar() [L571] input_791 = __VERIFIER_nondet_uchar() [L572] input_792 = __VERIFIER_nondet_uchar() [L573] input_793 = __VERIFIER_nondet_uchar() [L574] input_794 = __VERIFIER_nondet_uchar() [L575] input_795 = __VERIFIER_nondet_uchar() [L576] input_796 = __VERIFIER_nondet_uchar() [L577] input_797 = __VERIFIER_nondet_uchar() [L578] input_804 = __VERIFIER_nondet_uchar() [L579] input_806 = __VERIFIER_nondet_uchar() [L580] input_808 = __VERIFIER_nondet_uchar() [L581] input_810 = __VERIFIER_nondet_uchar() [L582] input_815 = __VERIFIER_nondet_uchar() [L583] input_817 = __VERIFIER_nondet_uchar() [L584] input_819 = __VERIFIER_nondet_uchar() [L585] input_821 = __VERIFIER_nondet_uchar() [L586] input_825 = __VERIFIER_nondet_uchar() [L587] input_826 = __VERIFIER_nondet_uchar() [L588] input_831 = __VERIFIER_nondet_uchar() [L589] input_833 = __VERIFIER_nondet_uchar() [L590] input_835 = __VERIFIER_nondet_uchar() [L591] input_840 = __VERIFIER_nondet_uchar() [L592] input_842 = __VERIFIER_nondet_uchar() [L593] input_844 = __VERIFIER_nondet_uchar() [L594] input_848 = __VERIFIER_nondet_uchar() [L595] input_849 = __VERIFIER_nondet_uchar() [L596] input_854 = __VERIFIER_nondet_uchar() [L597] input_856 = __VERIFIER_nondet_uchar() [L598] input_861 = __VERIFIER_nondet_uchar() [L599] input_863 = __VERIFIER_nondet_uchar() [L600] input_867 = __VERIFIER_nondet_uchar() [L601] input_868 = __VERIFIER_nondet_uchar() [L602] input_873 = __VERIFIER_nondet_uchar() [L603] input_878 = __VERIFIER_nondet_uchar() [L604] input_887 = __VERIFIER_nondet_uchar() [L605] input_904 = __VERIFIER_nondet_uchar() [L606] input_905 = __VERIFIER_nondet_uchar() [L607] input_906 = __VERIFIER_nondet_uchar() [L608] input_907 = __VERIFIER_nondet_uchar() [L609] input_908 = __VERIFIER_nondet_uchar() [L610] input_910 = __VERIFIER_nondet_uchar() [L611] input_924 = __VERIFIER_nondet_uchar() [L612] input_928 = __VERIFIER_nondet_uchar() [L613] input_947 = __VERIFIER_nondet_uchar() [L614] input_951 = __VERIFIER_nondet_uchar() [L615] input_952 = __VERIFIER_nondet_uchar() [L616] input_953 = __VERIFIER_nondet_uchar() [L617] input_963 = __VERIFIER_nondet_uchar() [L618] input_969 = __VERIFIER_nondet_uchar() [L619] input_973 = __VERIFIER_nondet_uchar() [L620] input_979 = __VERIFIER_nondet_uchar() [L621] input_1006 = __VERIFIER_nondet_uchar() [L622] input_1012 = __VERIFIER_nondet_uchar() [L623] input_1013 = __VERIFIER_nondet_uchar() [L624] input_1014 = __VERIFIER_nondet_uchar() [L625] input_1015 = __VERIFIER_nondet_uchar() [L626] input_1016 = __VERIFIER_nondet_uchar() [L627] input_1021 = __VERIFIER_nondet_uchar() [L628] input_1033 = __VERIFIER_nondet_uchar() [L629] input_1039 = __VERIFIER_nondet_uchar() [L630] input_1040 = __VERIFIER_nondet_uchar() [L631] input_1041 = __VERIFIER_nondet_uchar() [L632] input_1061 = __VERIFIER_nondet_uchar() [L633] input_1064 = __VERIFIER_nondet_uchar() [L634] input_1395 = __VERIFIER_nondet_uchar() [L635] input_1396 = __VERIFIER_nondet_uchar() [L636] input_1397 = __VERIFIER_nondet_uchar() [L637] input_1408 = __VERIFIER_nondet_uchar() [L638] input_1409 = __VERIFIER_nondet_uchar() [L639] input_1410 = __VERIFIER_nondet_uchar() [L640] input_1430 = __VERIFIER_nondet_uchar() [L641] input_1431 = __VERIFIER_nondet_uchar() [L642] input_1432 = __VERIFIER_nondet_uchar() [L643] input_1433 = __VERIFIER_nondet_uchar() [L644] input_1434 = __VERIFIER_nondet_uchar() [L645] input_1436 = __VERIFIER_nondet_uchar() [L646] input_1438 = __VERIFIER_nondet_uchar() [L647] input_1440 = __VERIFIER_nondet_uchar() [L648] input_1442 = __VERIFIER_nondet_uchar() [L649] input_1447 = __VERIFIER_nondet_uchar() [L650] input_1449 = __VERIFIER_nondet_uchar() [L651] input_1451 = __VERIFIER_nondet_uchar() [L652] input_1456 = __VERIFIER_nondet_uchar() [L653] input_1458 = __VERIFIER_nondet_uchar() [L654] input_1463 = __VERIFIER_nondet_uchar() [L655] input_1470 = __VERIFIER_nondet_uchar() [L656] input_1471 = __VERIFIER_nondet_uchar() [L657] input_1472 = __VERIFIER_nondet_uchar() [L658] input_1473 = __VERIFIER_nondet_uchar() [L659] input_1474 = __VERIFIER_nondet_uchar() [L660] input_1476 = __VERIFIER_nondet_uchar() [L661] input_1493 = __VERIFIER_nondet_uchar() [L662] input_1494 = __VERIFIER_nondet_uchar() [L663] input_1495 = __VERIFIER_nondet_uchar() [L664] input_1505 = __VERIFIER_nondet_uchar() [L665] input_1509 = __VERIFIER_nondet_uchar() [L666] input_1526 = __VERIFIER_nondet_uchar() [L667] input_1527 = __VERIFIER_nondet_uchar() [L668] input_1528 = __VERIFIER_nondet_uchar() [L669] input_1529 = __VERIFIER_nondet_uchar() [L670] input_1530 = __VERIFIER_nondet_uchar() [L671] input_1535 = __VERIFIER_nondet_uchar() [L674] SORT_6 var_11_arg_0 = state_8; [L675] var_11_arg_0 = var_11_arg_0 & mask_SORT_6 [L676] SORT_10 var_11 = var_11_arg_0; [L677] SORT_10 var_13_arg_0 = var_11; [L678] SORT_10 var_13_arg_1 = var_12; [L679] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L680] SORT_1 var_17_arg_0 = state_15; [L681] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 [L682] SORT_10 var_17 = var_17_arg_0; [L683] SORT_10 var_19_arg_0 = var_17; [L684] SORT_10 var_19_arg_1 = var_18; [L685] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L686] SORT_1 var_20_arg_0 = var_13; [L687] SORT_1 var_20_arg_1 = var_19; [L688] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L689] SORT_1 var_21_arg_0 = var_20; [L690] SORT_1 var_21 = ~var_21_arg_0; [L691] SORT_1 var_26_arg_0 = state_22; [L692] SORT_1 var_26_arg_1 = state_24; [L693] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L694] SORT_1 var_27_arg_0 = var_21; [L695] SORT_1 var_27_arg_1 = var_26; [L696] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L697] SORT_1 var_31_arg_0 = var_27; [L698] SORT_1 var_31 = ~var_31_arg_0; [L699] SORT_1 var_32_arg_0 = var_30; [L700] SORT_1 var_32_arg_1 = var_31; [L701] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L702] var_32 = var_32 & mask_SORT_1 [L703] SORT_1 bad_33_arg_0 = var_32; [L704] CALL __VERIFIER_assert(!(bad_33_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: 0.8s, 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, 0.3s 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 [2022-11-16 19:29:33,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0 --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 c5cd48c13dae025af0de3907c3a577c32ffdbbaded1c6cce15515f9e93358727 --- 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-e04fb08 [2022-11-16 19:29:36,331 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:29:36,334 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:29:36,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:29:36,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:29:36,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:29:36,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:29:36,361 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:29:36,363 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:29:36,364 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:29:36,365 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:29:36,366 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:29:36,367 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:29:36,368 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:29:36,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:29:36,370 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:29:36,371 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:29:36,372 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:29:36,374 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:29:36,377 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:29:36,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:29:36,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:29:36,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:29:36,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:29:36,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:29:36,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:29:36,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:29:36,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:29:36,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:29:36,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:29:36,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:29:36,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:29:36,401 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:29:36,403 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:29:36,407 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:29:36,408 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:29:36,409 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:29:36,409 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:29:36,409 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:29:36,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:29:36,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:29:36,416 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-16 19:29:36,464 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:29:36,465 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:29:36,466 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:29:36,466 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:29:36,468 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:29:36,468 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:29:36,468 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:29:36,469 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:29:36,469 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:29:36,469 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:29:36,470 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:29:36,471 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:29:36,472 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:29:36,473 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:29:36,473 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:29:36,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:29:36,473 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:29:36,474 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 19:29:36,474 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 19:29:36,474 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 19:29:36,474 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:29:36,474 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:29:36,475 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:29:36,475 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:29:36,475 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 19:29:36,476 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:29:36,476 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:36,476 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:29:36,476 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:29:36,477 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:29:36,477 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-16 19:29:36,477 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 19:29:36,477 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:29:36,478 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:29:36,478 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 19:29:36,478 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c5cd48c13dae025af0de3907c3a577c32ffdbbaded1c6cce15515f9e93358727 [2022-11-16 19:29:36,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:29:36,959 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:29:36,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:29:36,963 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:29:36,964 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:29:36,966 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:37,043 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/f50c9cd01/f297bbdae06b4f7bab5f2bcde32bf4bf/FLAG4598d2a3e [2022-11-16 19:29:37,895 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:29:37,895 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:37,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/f50c9cd01/f297bbdae06b4f7bab5f2bcde32bf4bf/FLAG4598d2a3e [2022-11-16 19:29:37,992 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/data/f50c9cd01/f297bbdae06b4f7bab5f2bcde32bf4bf [2022-11-16 19:29:37,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:29:38,000 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:29:38,002 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:38,002 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:29:38,006 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:29:38,007 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:37" (1/1) ... [2022-11-16 19:29:38,008 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d9d3052 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:38, skipping insertion in model container [2022-11-16 19:29:38,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:29:37" (1/1) ... [2022-11-16 19:29:38,016 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:29:38,143 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:29:38,358 WARN L229 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c[1107,1120] [2022-11-16 19:29:39,181 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:39,188 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:29:39,201 WARN L229 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_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c[1107,1120] [2022-11-16 19:29:39,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:29:39,512 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:29:39,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39 WrapperNode [2022-11-16 19:29:39,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:29:39,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:39,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:29:39,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:29:39,522 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:39,599 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:39,850 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4995 [2022-11-16 19:29:39,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:29:39,852 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:29:39,852 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:29:39,852 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:29:39,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:39,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:39,932 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:39,933 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,122 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,157 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,189 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:29:40,191 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:29:40,191 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:29:40,194 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:29:40,195 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (1/1) ... [2022-11-16 19:29:40,202 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:29:40,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:29:40,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:29:40,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:29:40,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:29:40,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:29:41,297 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:29:41,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:29:51,394 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:29:51,404 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:29:51,404 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 19:29:51,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:51 BoogieIcfgContainer [2022-11-16 19:29:51,406 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:29:51,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:29:51,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:29:51,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:29:51,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:29:37" (1/3) ... [2022-11-16 19:29:51,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1aa270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:51, skipping insertion in model container [2022-11-16 19:29:51,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:29:39" (2/3) ... [2022-11-16 19:29:51,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1aa270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:29:51, skipping insertion in model container [2022-11-16 19:29:51,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:29:51" (3/3) ... [2022-11-16 19:29:51,418 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_arrays_itc99_b12_p1.c [2022-11-16 19:29:51,438 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:29:51,438 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 19:29:51,500 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:29:51,507 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;@79668d60, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:29:51,507 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 19:29:51,511 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) [2022-11-16 19:29:51,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 19:29:51,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:51,519 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 19:29:51,520 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:51,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:51,525 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 19:29:51,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 19:29:51,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1413190030] [2022-11-16 19:29:51,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:51,541 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 [2022-11-16 19:29:51,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 19:29:51,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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) [2022-11-16 19:29:51,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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 [2022-11-16 19:29:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:52,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 19 conjunts are in the unsatisfiable core [2022-11-16 19:29:52,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:52,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:52,959 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 19:29:52,959 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 19:29:52,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1413190030] [2022-11-16 19:29:52,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1413190030] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:29:52,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:29:52,961 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 19:29:52,962 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869892184] [2022-11-16 19:29:52,963 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:29:52,967 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 19:29:52,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 19:29:53,002 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 19:29:53,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 19:29:53,006 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) [2022-11-16 19:29:54,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:29:54,120 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 19:29:54,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 19:29:54,123 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 [2022-11-16 19:29:54,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:29:54,131 INFO L225 Difference]: With dead ends: 20 [2022-11-16 19:29:54,132 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 19:29:54,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 19:29:54,148 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 19:29:54,149 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 19:29:54,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 19:29:54,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 19:29:54,181 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) [2022-11-16 19:29:54,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 19:29:54,183 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 19:29:54,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:29:54,184 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 19:29:54,184 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) [2022-11-16 19:29:54,184 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 19:29:54,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 19:29:54,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:29:54,185 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 19:29:54,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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 [2022-11-16 19:29:54,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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 [2022-11-16 19:29:54,400 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:29:54,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:29:54,401 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 19:29:54,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 19:29:54,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [668409165] [2022-11-16 19:29:54,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:54,408 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 [2022-11-16 19:29:54,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 19:29:54,411 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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) [2022-11-16 19:29:54,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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 [2022-11-16 19:29:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:29:57,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 4492 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-16 19:29:57,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:29:57,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:57,332 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:29:58,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:29:58,213 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-16 19:29:58,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [668409165] [2022-11-16 19:29:58,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [668409165] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:29:58,213 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [324781412] [2022-11-16 19:29:58,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:29:58,214 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-16 19:29:58,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/cvc4 [2022-11-16 19:29:58,223 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-16 19:29:58,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-16 19:30:03,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:03,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 4492 conjuncts, 29 conjunts are in the unsatisfiable core [2022-11-16 19:30:03,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:03,491 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:03,491 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:30:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:03,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [324781412] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:30:03,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70385164] [2022-11-16 19:30:03,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:30:03,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:03,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:30:03,911 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 19:30:03,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 19:30:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:30:05,912 INFO L263 TraceCheckSpWp]: Trace formula consists of 4492 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 19:30:05,956 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:06,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:06,128 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 19:30:06,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:06,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70385164] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 19:30:06,650 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-16 19:30:06,650 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2022-11-16 19:30:06,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231485288] [2022-11-16 19:30:06,651 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-16 19:30:06,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 19:30:06,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-16 19:30:06,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 19:30:06,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 19:30:06,653 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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) [2022-11-16 19:30:08,669 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 19:30:09,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 19:30:10,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-16 19:30:10,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:30:10,987 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 19:30:10,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 19:30:10,988 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 19:30:10,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:30:10,988 INFO L225 Difference]: With dead ends: 16 [2022-11-16 19:30:10,988 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 19:30:10,990 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 30 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2022-11-16 19:30:10,991 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 16 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2022-11-16 19:30:10,992 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 24 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 16 Unchecked, 4.2s Time] [2022-11-16 19:30:10,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 19:30:10,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 19:30:10,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 19:30:10,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 19:30:10,996 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 19:30:10,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:30:10,996 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 19:30:10,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.8) internal successors, (18), 10 states have internal predecessors, (18), 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) [2022-11-16 19:30:10,997 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 19:30:10,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 19:30:10,997 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:30:10,997 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 19:30:11,025 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:11,231 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-16 19:30:11,416 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-11-16 19:30:11,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 19:30:11,604 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 19:30:11,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:30:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 19:30:11,609 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-16 19:30:11,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1407553309] [2022-11-16 19:30:11,610 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 19:30:11,610 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 [2022-11-16 19:30:11,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/mathsat [2022-11-16 19:30:11,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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) [2022-11-16 19:30:11,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab4947d0-aba1-44c8-a52e-c4fec0d1cbe5/bin/utaipan-Xvt2sAort0/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 (6)] Waiting until timeout for monitored process [2022-11-16 19:30:15,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 19:30:15,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 19:30:15,446 INFO L263 TraceCheckSpWp]: Trace formula consists of 8579 conjuncts, 151 conjunts are in the unsatisfiable core [2022-11-16 19:30:15,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 19:30:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:30:17,320 INFO L328 TraceCheckSpWp]: Computing backward predicates...