./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh --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 b4ba24d919a11a8964ba4efb542594e09c3f87e40d1934354280168341c07a82 --- 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-2329fc7 [2022-12-14 06:36:21,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:36:21,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:36:21,203 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:36:21,203 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:36:21,204 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:36:21,205 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:36:21,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:36:21,207 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:36:21,208 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:36:21,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:36:21,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:36:21,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:36:21,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:36:21,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:36:21,212 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:36:21,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:36:21,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:36:21,214 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:36:21,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:36:21,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:36:21,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:36:21,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:36:21,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:36:21,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:36:21,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:36:21,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:36:21,223 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:36:21,223 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:36:21,224 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:36:21,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:36:21,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:36:21,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:36:21,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:36:21,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:36:21,227 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:36:21,227 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:36:21,228 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:36:21,228 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:36:21,229 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:36:21,229 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:36:21,230 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 06:36:21,245 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:36:21,245 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:36:21,246 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:36:21,246 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:36:21,246 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:36:21,247 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:36:21,247 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:36:21,247 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:36:21,247 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:36:21,248 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 06:36:21,248 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:36:21,248 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:36:21,248 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 06:36:21,248 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 06:36:21,249 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:36:21,249 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 06:36:21,249 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 06:36:21,249 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 06:36:21,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:36:21,250 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:36:21,251 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:36:21,251 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:36:21,251 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:36:21,251 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:36:21,251 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:21,252 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 06:36:21,252 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:36:21,253 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:36:21,253 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_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ba24d919a11a8964ba4efb542594e09c3f87e40d1934354280168341c07a82 [2022-12-14 06:36:21,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:36:21,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:36:21,439 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:36:21,440 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:36:21,440 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:36:21,442 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c [2022-12-14 06:36:23,996 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:36:24,210 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:36:24,210 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c [2022-12-14 06:36:24,223 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/33a9b0678/207f294f95e144b98fb30ca66348e1be/FLAGb58c9f975 [2022-12-14 06:36:24,234 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/33a9b0678/207f294f95e144b98fb30ca66348e1be [2022-12-14 06:36:24,236 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:36:24,237 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:36:24,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:24,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:36:24,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:36:24,241 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:24,242 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dad7260 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24, skipping insertion in model container [2022-12-14 06:36:24,242 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:24,247 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:36:24,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:36:24,424 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c[1107,1120] [2022-12-14 06:36:24,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:24,752 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:36:24,762 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c[1107,1120] [2022-12-14 06:36:24,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:36:24,890 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:36:24,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24 WrapperNode [2022-12-14 06:36:24,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:36:24,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:24,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:36:24,892 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:36:24,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:24,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,046 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3408 [2022-12-14 06:36:25,046 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:36:25,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:36:25,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:36:25,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:36:25,053 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,114 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:36:25,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:36:25,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:36:25,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:36:25,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (1/1) ... [2022-12-14 06:36:25,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:36:25,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:36:25,164 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:36:25,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:36:25,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:36:25,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:36:25,614 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:36:25,616 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:39:44,357 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:39:44,389 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:39:44,389 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 06:39:44,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:44 BoogieIcfgContainer [2022-12-14 06:39:44,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:39:44,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:39:44,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:39:44,395 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:39:44,395 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:36:24" (1/3) ... [2022-12-14 06:39:44,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9be328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:44, skipping insertion in model container [2022-12-14 06:39:44,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:36:24" (2/3) ... [2022-12-14 06:39:44,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9be328 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:44, skipping insertion in model container [2022-12-14 06:39:44,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:44" (3/3) ... [2022-12-14 06:39:44,397 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sdlx.c [2022-12-14 06:39:44,411 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:39:44,411 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:39:44,446 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:39:44,451 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;@79fea748, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:39:44,451 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:39:44,454 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) [2022-12-14 06:39:44,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 06:39:44,458 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:39:44,458 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 06:39:44,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:39:44,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:39:44,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 06:39:44,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 06:39:44,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529977668] [2022-12-14 06:39:44,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:39:44,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 06:39:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:39:45,056 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 06:39:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 06:39:45,491 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 06:39:45,492 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 06:39:45,493 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 06:39:45,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 06:39:45,498 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-14 06:39:45,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 06:39:45,521 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 06:39:45,532 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 06:39:45 BoogieIcfgContainer [2022-12-14 06:39:45,532 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 06:39:45,533 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 06:39:45,533 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 06:39:45,533 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 06:39:45,534 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:44" (3/4) ... [2022-12-14 06:39:45,536 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 06:39:45,536 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 06:39:45,537 INFO L158 Benchmark]: Toolchain (without parser) took 201300.01ms. Allocated memory was 151.0MB in the beginning and 966.8MB in the end (delta: 815.8MB). Free memory was 108.8MB in the beginning and 484.8MB in the end (delta: -376.0MB). Peak memory consumption was 440.9MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,537 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:39:45,537 INFO L158 Benchmark]: CACSL2BoogieTranslator took 653.54ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 68.8MB in the end (delta: 39.7MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,538 INFO L158 Benchmark]: Boogie Procedure Inliner took 154.70ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 79.9MB in the end (delta: -11.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,538 INFO L158 Benchmark]: Boogie Preprocessor took 92.92ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 65.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,539 INFO L158 Benchmark]: RCFGBuilder took 199250.97ms. Allocated memory was 151.0MB in the beginning and 966.8MB in the end (delta: 815.8MB). Free memory was 65.6MB in the beginning and 730.2MB in the end (delta: -664.6MB). Peak memory consumption was 578.5MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,539 INFO L158 Benchmark]: TraceAbstraction took 1140.08ms. Allocated memory is still 966.8MB. Free memory was 729.1MB in the beginning and 485.9MB in the end (delta: 243.3MB). Peak memory consumption was 243.3MB. Max. memory is 16.1GB. [2022-12-14 06:39:45,539 INFO L158 Benchmark]: Witness Printer took 3.07ms. Allocated memory is still 966.8MB. Free memory is still 484.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 06:39:45,541 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 151.0MB. Free memory is still 125.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 653.54ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 68.8MB in the end (delta: 39.7MB). Peak memory consumption was 62.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 154.70ms. Allocated memory is still 151.0MB. Free memory was 68.8MB in the beginning and 79.9MB in the end (delta: -11.1MB). Peak memory consumption was 30.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.92ms. Allocated memory is still 151.0MB. Free memory was 79.9MB in the beginning and 65.6MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * RCFGBuilder took 199250.97ms. Allocated memory was 151.0MB in the beginning and 966.8MB in the end (delta: 815.8MB). Free memory was 65.6MB in the beginning and 730.2MB in the end (delta: -664.6MB). Peak memory consumption was 578.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1140.08ms. Allocated memory is still 966.8MB. Free memory was 729.1MB in the beginning and 485.9MB in the end (delta: 243.3MB). Peak memory consumption was 243.3MB. Max. memory is 16.1GB. * Witness Printer took 3.07ms. Allocated memory is still 966.8MB. Free memory is still 484.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 373, overapproximation of bitwiseOr at line 463, overapproximation of bitwiseAnd at line 217. 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 - 32); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 6); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (6 - 1); [L34] const SORT_90 mask_SORT_90 = (SORT_90)-1 >> (sizeof(SORT_90) * 8 - 2); [L35] const SORT_90 msb_SORT_90 = (SORT_90)1 << (2 - 1); [L37] const SORT_175 mask_SORT_175 = (SORT_175)-1 >> (sizeof(SORT_175) * 8 - 3); [L38] const SORT_175 msb_SORT_175 = (SORT_175)1 << (3 - 1); [L40] const SORT_6 var_7 = 0; [L41] const SORT_3 var_12 = 0; [L42] const SORT_3 var_16 = 1; [L43] const SORT_1 var_23 = 0; [L44] const SORT_1 var_82 = 1; [L45] const SORT_6 var_133 = 2; [L46] const SORT_6 var_138 = 1; [L47] const SORT_6 var_151 = 3; [L48] const SORT_6 var_156 = 4; [L49] const SORT_6 var_162 = 8; [L50] const SORT_6 var_165 = 43; [L51] const SORT_6 var_168 = 35; [L52] const SORT_6 var_172 = 5; [L53] const SORT_3 var_964 = 2; [L54] const SORT_3 var_967 = 3; [L55] const SORT_3 var_977 = 5; [L56] const SORT_3 var_997 = 4; [L58] SORT_1 input_2; [L59] SORT_3 input_4; [L60] SORT_1 input_5; [L61] SORT_1 input_86; [L62] SORT_1 input_88; [L63] SORT_90 input_91; [L64] SORT_1 input_93; [L65] SORT_1 input_95; [L66] SORT_1 input_97; [L67] SORT_1 input_101; [L68] SORT_1 input_103; [L69] SORT_1 input_105; [L70] SORT_1 input_107; [L71] SORT_1 input_109; [L72] SORT_1 input_111; [L73] SORT_1 input_113; [L74] SORT_1 input_115; [L75] SORT_1 input_117; [L76] SORT_1 input_119; [L77] SORT_1 input_121; [L78] SORT_1 input_132; [L79] SORT_1 input_142; [L80] SORT_1 input_143; [L81] SORT_1 input_144; [L82] SORT_1 input_145; [L83] SORT_1 input_148; [L84] SORT_1 input_179; [L85] SORT_1 input_186; [L86] SORT_1 input_195; [L87] SORT_1 input_224; [L88] SORT_1 input_232; [L89] SORT_1 input_233; [L90] SORT_1 input_234; [L91] SORT_1 input_235; [L92] SORT_1 input_238; [L93] SORT_1 input_261; [L94] SORT_1 input_268; [L95] SORT_1 input_277; [L96] SORT_1 input_306; [L97] SORT_1 input_314; [L98] SORT_1 input_315; [L99] SORT_1 input_316; [L100] SORT_1 input_317; [L101] SORT_1 input_320; [L102] SORT_1 input_343; [L103] SORT_1 input_350; [L104] SORT_1 input_359; [L105] SORT_1 input_388; [L106] SORT_1 input_396; [L107] SORT_1 input_397; [L108] SORT_1 input_398; [L109] SORT_1 input_399; [L110] SORT_1 input_402; [L111] SORT_1 input_425; [L112] SORT_1 input_432; [L113] SORT_1 input_441; [L114] SORT_1 input_470; [L115] SORT_1 input_478; [L116] SORT_1 input_479; [L117] SORT_1 input_480; [L118] SORT_1 input_481; [L119] SORT_1 input_484; [L120] SORT_1 input_507; [L121] SORT_1 input_514; [L122] SORT_1 input_523; [L123] SORT_1 input_552; [L124] SORT_1 input_560; [L125] SORT_1 input_561; [L126] SORT_1 input_562; [L127] SORT_1 input_563; [L128] SORT_1 input_566; [L129] SORT_1 input_589; [L130] SORT_1 input_596; [L131] SORT_1 input_605; [L132] SORT_1 input_634; [L133] SORT_1 input_642; [L134] SORT_1 input_643; [L135] SORT_1 input_644; [L136] SORT_1 input_645; [L137] SORT_1 input_648; [L138] SORT_1 input_671; [L139] SORT_1 input_678; [L140] SORT_1 input_687; [L141] SORT_1 input_716; [L142] SORT_1 input_724; [L143] SORT_1 input_725; [L144] SORT_1 input_726; [L145] SORT_1 input_727; [L146] SORT_1 input_730; [L147] SORT_1 input_753; [L148] SORT_1 input_760; [L149] SORT_1 input_769; [L150] SORT_1 input_798; [L151] SORT_1 input_806; [L152] SORT_1 input_807; [L153] SORT_1 input_808; [L154] SORT_1 input_809; [L155] SORT_1 input_812; [L156] SORT_1 input_835; [L157] SORT_1 input_842; [L158] SORT_1 input_851; [L159] SORT_1 input_880; [L160] SORT_1 input_888; [L161] SORT_1 input_889; [L162] SORT_1 input_890; [L163] SORT_1 input_891; [L164] SORT_1 input_894; [L165] SORT_1 input_917; [L166] SORT_1 input_924; [L167] SORT_1 input_933; [L168] SORT_6 input_975; [L169] SORT_6 input_976; [L170] SORT_6 input_1012; [L171] SORT_6 input_1021; [L173] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L174] SORT_1 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L175] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L176] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L178] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L182] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L183] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L184] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] SORT_6 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L187] SORT_6 init_9_arg_1 = var_7; [L188] state_8 = init_9_arg_1 [L189] SORT_1 init_25_arg_1 = var_23; [L190] state_24 = init_25_arg_1 [L191] SORT_1 init_31_arg_1 = var_23; [L192] state_30 = init_31_arg_1 [L193] SORT_1 init_35_arg_1 = var_23; [L194] state_34 = init_35_arg_1 [L195] SORT_1 init_40_arg_1 = var_23; [L196] state_39 = init_40_arg_1 [L197] SORT_1 init_45_arg_1 = var_23; [L198] state_44 = init_45_arg_1 [L199] SORT_1 init_50_arg_1 = var_23; [L200] state_49 = init_50_arg_1 [L201] SORT_1 init_55_arg_1 = var_23; [L202] state_54 = init_55_arg_1 [L203] SORT_1 init_60_arg_1 = var_23; [L204] state_59 = init_60_arg_1 [L205] SORT_1 init_65_arg_1 = var_23; [L206] state_64 = init_65_arg_1 [L207] SORT_1 init_70_arg_1 = var_23; [L208] state_69 = init_70_arg_1 [L209] SORT_1 init_75_arg_1 = var_23; [L210] state_74 = init_75_arg_1 [L211] SORT_6 init_100_arg_1 = var_7; [L212] state_99 = init_100_arg_1 VAL [init_100_arg_1=0, init_25_arg_1=0, init_31_arg_1=0, init_35_arg_1=0, init_40_arg_1=0, init_45_arg_1=0, init_50_arg_1=0, init_55_arg_1=0, init_60_arg_1=0, init_65_arg_1=0, init_70_arg_1=0, init_75_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_175=7, mask_SORT_3=4294967295, mask_SORT_6=63, mask_SORT_90=3, msb_SORT_1=1, msb_SORT_175=4, msb_SORT_3=2147483648, msb_SORT_6=32, msb_SORT_90=2, state_24=0, state_30=0, state_34=0, state_39=0, state_44=0, state_49=0, state_54=0, state_59=0, state_64=0, state_69=0, state_74=0, state_8=0, state_99=0, var_12=0, var_133=2, var_138=1, var_151=3, var_156=4, var_16=1, var_162=8, var_165=43, var_168=35, var_172=5, var_23=0, var_7=0, var_82=1, var_964=2, var_967=3, var_977=5, var_997=4] [L215] input_2 = __VERIFIER_nondet_uchar() [L216] input_4 = __VERIFIER_nondet_uint() [L217] input_4 = input_4 & mask_SORT_3 [L218] input_5 = __VERIFIER_nondet_uchar() [L219] input_5 = input_5 & mask_SORT_1 [L220] input_86 = __VERIFIER_nondet_uchar() [L221] input_88 = __VERIFIER_nondet_uchar() [L222] input_91 = __VERIFIER_nondet_uchar() [L223] input_93 = __VERIFIER_nondet_uchar() [L224] input_95 = __VERIFIER_nondet_uchar() [L225] input_97 = __VERIFIER_nondet_uchar() [L226] input_101 = __VERIFIER_nondet_uchar() [L227] input_103 = __VERIFIER_nondet_uchar() [L228] input_105 = __VERIFIER_nondet_uchar() [L229] input_107 = __VERIFIER_nondet_uchar() [L230] input_109 = __VERIFIER_nondet_uchar() [L231] input_111 = __VERIFIER_nondet_uchar() [L232] input_113 = __VERIFIER_nondet_uchar() [L233] input_115 = __VERIFIER_nondet_uchar() [L234] input_117 = __VERIFIER_nondet_uchar() [L235] input_119 = __VERIFIER_nondet_uchar() [L236] input_121 = __VERIFIER_nondet_uchar() [L237] input_132 = __VERIFIER_nondet_uchar() [L238] input_142 = __VERIFIER_nondet_uchar() [L239] input_143 = __VERIFIER_nondet_uchar() [L240] input_144 = __VERIFIER_nondet_uchar() [L241] input_145 = __VERIFIER_nondet_uchar() [L242] input_148 = __VERIFIER_nondet_uchar() [L243] input_179 = __VERIFIER_nondet_uchar() [L244] input_186 = __VERIFIER_nondet_uchar() [L245] input_195 = __VERIFIER_nondet_uchar() [L246] input_224 = __VERIFIER_nondet_uchar() [L247] input_232 = __VERIFIER_nondet_uchar() [L248] input_233 = __VERIFIER_nondet_uchar() [L249] input_234 = __VERIFIER_nondet_uchar() [L250] input_235 = __VERIFIER_nondet_uchar() [L251] input_238 = __VERIFIER_nondet_uchar() [L252] input_261 = __VERIFIER_nondet_uchar() [L253] input_268 = __VERIFIER_nondet_uchar() [L254] input_277 = __VERIFIER_nondet_uchar() [L255] input_306 = __VERIFIER_nondet_uchar() [L256] input_314 = __VERIFIER_nondet_uchar() [L257] input_315 = __VERIFIER_nondet_uchar() [L258] input_316 = __VERIFIER_nondet_uchar() [L259] input_317 = __VERIFIER_nondet_uchar() [L260] input_320 = __VERIFIER_nondet_uchar() [L261] input_343 = __VERIFIER_nondet_uchar() [L262] input_350 = __VERIFIER_nondet_uchar() [L263] input_359 = __VERIFIER_nondet_uchar() [L264] input_388 = __VERIFIER_nondet_uchar() [L265] input_396 = __VERIFIER_nondet_uchar() [L266] input_397 = __VERIFIER_nondet_uchar() [L267] input_398 = __VERIFIER_nondet_uchar() [L268] input_399 = __VERIFIER_nondet_uchar() [L269] input_402 = __VERIFIER_nondet_uchar() [L270] input_425 = __VERIFIER_nondet_uchar() [L271] input_432 = __VERIFIER_nondet_uchar() [L272] input_441 = __VERIFIER_nondet_uchar() [L273] input_470 = __VERIFIER_nondet_uchar() [L274] input_478 = __VERIFIER_nondet_uchar() [L275] input_479 = __VERIFIER_nondet_uchar() [L276] input_480 = __VERIFIER_nondet_uchar() [L277] input_481 = __VERIFIER_nondet_uchar() [L278] input_484 = __VERIFIER_nondet_uchar() [L279] input_507 = __VERIFIER_nondet_uchar() [L280] input_514 = __VERIFIER_nondet_uchar() [L281] input_523 = __VERIFIER_nondet_uchar() [L282] input_552 = __VERIFIER_nondet_uchar() [L283] input_560 = __VERIFIER_nondet_uchar() [L284] input_561 = __VERIFIER_nondet_uchar() [L285] input_562 = __VERIFIER_nondet_uchar() [L286] input_563 = __VERIFIER_nondet_uchar() [L287] input_566 = __VERIFIER_nondet_uchar() [L288] input_589 = __VERIFIER_nondet_uchar() [L289] input_596 = __VERIFIER_nondet_uchar() [L290] input_605 = __VERIFIER_nondet_uchar() [L291] input_634 = __VERIFIER_nondet_uchar() [L292] input_642 = __VERIFIER_nondet_uchar() [L293] input_643 = __VERIFIER_nondet_uchar() [L294] input_644 = __VERIFIER_nondet_uchar() [L295] input_645 = __VERIFIER_nondet_uchar() [L296] input_648 = __VERIFIER_nondet_uchar() [L297] input_671 = __VERIFIER_nondet_uchar() [L298] input_678 = __VERIFIER_nondet_uchar() [L299] input_687 = __VERIFIER_nondet_uchar() [L300] input_716 = __VERIFIER_nondet_uchar() [L301] input_724 = __VERIFIER_nondet_uchar() [L302] input_725 = __VERIFIER_nondet_uchar() [L303] input_726 = __VERIFIER_nondet_uchar() [L304] input_727 = __VERIFIER_nondet_uchar() [L305] input_730 = __VERIFIER_nondet_uchar() [L306] input_753 = __VERIFIER_nondet_uchar() [L307] input_760 = __VERIFIER_nondet_uchar() [L308] input_769 = __VERIFIER_nondet_uchar() [L309] input_798 = __VERIFIER_nondet_uchar() [L310] input_806 = __VERIFIER_nondet_uchar() [L311] input_807 = __VERIFIER_nondet_uchar() [L312] input_808 = __VERIFIER_nondet_uchar() [L313] input_809 = __VERIFIER_nondet_uchar() [L314] input_812 = __VERIFIER_nondet_uchar() [L315] input_835 = __VERIFIER_nondet_uchar() [L316] input_842 = __VERIFIER_nondet_uchar() [L317] input_851 = __VERIFIER_nondet_uchar() [L318] input_880 = __VERIFIER_nondet_uchar() [L319] input_888 = __VERIFIER_nondet_uchar() [L320] input_889 = __VERIFIER_nondet_uchar() [L321] input_890 = __VERIFIER_nondet_uchar() [L322] input_891 = __VERIFIER_nondet_uchar() [L323] input_894 = __VERIFIER_nondet_uchar() [L324] input_917 = __VERIFIER_nondet_uchar() [L325] input_924 = __VERIFIER_nondet_uchar() [L326] input_933 = __VERIFIER_nondet_uchar() [L327] input_975 = __VERIFIER_nondet_uchar() [L328] input_976 = __VERIFIER_nondet_uchar() [L329] input_1012 = __VERIFIER_nondet_uchar() [L330] input_1021 = __VERIFIER_nondet_uchar() [L333] SORT_6 var_10_arg_0 = state_8; [L334] SORT_1 var_10 = var_10_arg_0 >> 0; [L335] SORT_1 var_11_arg_0 = var_10; [L336] var_11_arg_0 = var_11_arg_0 & mask_SORT_1 [L337] SORT_3 var_11 = var_11_arg_0; [L338] SORT_3 var_13_arg_0 = var_11; [L339] SORT_3 var_13_arg_1 = var_12; [L340] SORT_1 var_13 = var_13_arg_0 == var_13_arg_1; [L341] SORT_6 var_14_arg_0 = state_8; [L342] SORT_1 var_14 = var_14_arg_0 >> 1; [L343] SORT_1 var_15_arg_0 = var_14; [L344] var_15_arg_0 = var_15_arg_0 & mask_SORT_1 [L345] SORT_3 var_15 = var_15_arg_0; [L346] SORT_3 var_17_arg_0 = var_15; [L347] SORT_3 var_17_arg_1 = var_16; [L348] SORT_1 var_17 = var_17_arg_0 == var_17_arg_1; [L349] SORT_1 var_18_arg_0 = var_13; [L350] SORT_1 var_18_arg_1 = var_17; [L351] SORT_1 var_18 = var_18_arg_0 & var_18_arg_1; [L352] SORT_6 var_19_arg_0 = state_8; [L353] SORT_1 var_19 = var_19_arg_0 >> 2; [L354] SORT_1 var_20_arg_0 = var_19; [L355] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L356] SORT_3 var_20 = var_20_arg_0; [L357] SORT_3 var_21_arg_0 = var_20; [L358] SORT_3 var_21_arg_1 = var_12; [L359] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L360] SORT_1 var_22_arg_0 = var_18; [L361] SORT_1 var_22_arg_1 = var_21; [L362] SORT_1 var_22 = var_22_arg_0 & var_22_arg_1; [L363] SORT_1 var_26_arg_0 = state_24; [L364] var_26_arg_0 = var_26_arg_0 & mask_SORT_1 [L365] SORT_3 var_26 = var_26_arg_0; [L366] SORT_3 var_27_arg_0 = var_26; [L367] SORT_3 var_27_arg_1 = var_12; [L368] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L369] SORT_1 var_28_arg_0 = var_22; [L370] SORT_1 var_28_arg_1 = var_27; [L371] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L372] SORT_1 var_29_arg_0 = var_28; [L373] SORT_1 var_29 = ~var_29_arg_0; [L374] SORT_1 var_32_arg_0 = state_30; [L375] var_32_arg_0 = var_32_arg_0 & mask_SORT_1 [L376] SORT_3 var_32 = var_32_arg_0; [L377] SORT_3 var_33_arg_0 = var_32; [L378] SORT_3 var_33_arg_1 = var_16; [L379] SORT_1 var_33 = var_33_arg_0 == var_33_arg_1; [L380] SORT_1 var_36_arg_0 = state_34; [L381] var_36_arg_0 = var_36_arg_0 & mask_SORT_1 [L382] SORT_3 var_36 = var_36_arg_0; [L383] SORT_3 var_37_arg_0 = var_36; [L384] SORT_3 var_37_arg_1 = var_16; [L385] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L386] SORT_1 var_38_arg_0 = var_33; [L387] SORT_1 var_38_arg_1 = var_37; [L388] SORT_1 var_38 = var_38_arg_0 & var_38_arg_1; [L389] SORT_1 var_41_arg_0 = state_39; [L390] var_41_arg_0 = var_41_arg_0 & mask_SORT_1 [L391] SORT_3 var_41 = var_41_arg_0; [L392] SORT_3 var_42_arg_0 = var_41; [L393] SORT_3 var_42_arg_1 = var_12; [L394] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L395] SORT_1 var_43_arg_0 = var_38; [L396] SORT_1 var_43_arg_1 = var_42; [L397] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L398] SORT_1 var_46_arg_0 = state_44; [L399] var_46_arg_0 = var_46_arg_0 & mask_SORT_1 [L400] SORT_3 var_46 = var_46_arg_0; [L401] SORT_3 var_47_arg_0 = var_46; [L402] SORT_3 var_47_arg_1 = var_16; [L403] SORT_1 var_47 = var_47_arg_0 == var_47_arg_1; [L404] SORT_1 var_48_arg_0 = var_43; [L405] SORT_1 var_48_arg_1 = var_47; [L406] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L407] SORT_1 var_51_arg_0 = state_49; [L408] var_51_arg_0 = var_51_arg_0 & mask_SORT_1 [L409] SORT_3 var_51 = var_51_arg_0; [L410] SORT_3 var_52_arg_0 = var_51; [L411] SORT_3 var_52_arg_1 = var_12; [L412] SORT_1 var_52 = var_52_arg_0 == var_52_arg_1; [L413] SORT_1 var_53_arg_0 = var_48; [L414] SORT_1 var_53_arg_1 = var_52; [L415] SORT_1 var_53 = var_53_arg_0 & var_53_arg_1; [L416] SORT_1 var_56_arg_0 = state_54; [L417] var_56_arg_0 = var_56_arg_0 & mask_SORT_1 [L418] SORT_3 var_56 = var_56_arg_0; [L419] SORT_3 var_57_arg_0 = var_56; [L420] SORT_3 var_57_arg_1 = var_16; [L421] SORT_1 var_57 = var_57_arg_0 == var_57_arg_1; [L422] SORT_1 var_58_arg_0 = var_53; [L423] SORT_1 var_58_arg_1 = var_57; [L424] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L425] SORT_1 var_61_arg_0 = state_59; [L426] var_61_arg_0 = var_61_arg_0 & mask_SORT_1 [L427] SORT_3 var_61 = var_61_arg_0; [L428] SORT_3 var_62_arg_0 = var_61; [L429] SORT_3 var_62_arg_1 = var_12; [L430] SORT_1 var_62 = var_62_arg_0 == var_62_arg_1; [L431] SORT_1 var_63_arg_0 = var_58; [L432] SORT_1 var_63_arg_1 = var_62; [L433] SORT_1 var_63 = var_63_arg_0 & var_63_arg_1; [L434] SORT_1 var_66_arg_0 = state_64; [L435] var_66_arg_0 = var_66_arg_0 & mask_SORT_1 [L436] SORT_3 var_66 = var_66_arg_0; [L437] SORT_3 var_67_arg_0 = var_66; [L438] SORT_3 var_67_arg_1 = var_12; [L439] SORT_1 var_67 = var_67_arg_0 == var_67_arg_1; [L440] SORT_1 var_68_arg_0 = var_63; [L441] SORT_1 var_68_arg_1 = var_67; [L442] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L443] SORT_1 var_71_arg_0 = state_69; [L444] var_71_arg_0 = var_71_arg_0 & mask_SORT_1 [L445] SORT_3 var_71 = var_71_arg_0; [L446] SORT_3 var_72_arg_0 = var_71; [L447] SORT_3 var_72_arg_1 = var_12; [L448] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L449] SORT_1 var_73_arg_0 = var_68; [L450] SORT_1 var_73_arg_1 = var_72; [L451] SORT_1 var_73 = var_73_arg_0 & var_73_arg_1; [L452] SORT_1 var_76_arg_0 = state_74; [L453] var_76_arg_0 = var_76_arg_0 & mask_SORT_1 [L454] SORT_3 var_76 = var_76_arg_0; [L455] SORT_3 var_77_arg_0 = var_76; [L456] SORT_3 var_77_arg_1 = var_12; [L457] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L458] SORT_1 var_78_arg_0 = var_73; [L459] SORT_1 var_78_arg_1 = var_77; [L460] SORT_1 var_78 = var_78_arg_0 & var_78_arg_1; [L461] SORT_1 var_79_arg_0 = var_29; [L462] SORT_1 var_79_arg_1 = var_78; [L463] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L464] SORT_1 var_83_arg_0 = var_79; [L465] SORT_1 var_83 = ~var_83_arg_0; [L466] SORT_1 var_84_arg_0 = var_82; [L467] SORT_1 var_84_arg_1 = var_83; [L468] SORT_1 var_84 = var_84_arg_0 & var_84_arg_1; [L469] var_84 = var_84 & mask_SORT_1 [L470] SORT_1 bad_85_arg_0 = var_84; [L471] CALL __VERIFIER_assert(!(bad_85_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.5s 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 [2022-12-14 06:39:45,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh --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 b4ba24d919a11a8964ba4efb542594e09c3f87e40d1934354280168341c07a82 --- 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-2329fc7 [2022-12-14 06:39:47,152 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 06:39:47,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 06:39:47,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 06:39:47,175 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 06:39:47,176 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 06:39:47,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 06:39:47,179 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 06:39:47,181 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 06:39:47,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 06:39:47,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 06:39:47,184 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 06:39:47,185 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 06:39:47,186 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 06:39:47,187 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 06:39:47,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 06:39:47,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 06:39:47,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 06:39:47,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 06:39:47,193 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 06:39:47,195 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 06:39:47,196 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 06:39:47,197 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 06:39:47,198 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 06:39:47,202 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 06:39:47,202 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 06:39:47,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 06:39:47,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 06:39:47,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 06:39:47,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 06:39:47,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 06:39:47,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 06:39:47,207 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 06:39:47,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 06:39:47,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 06:39:47,209 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 06:39:47,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 06:39:47,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 06:39:47,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 06:39:47,210 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 06:39:47,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 06:39:47,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 06:39:47,236 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 06:39:47,236 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 06:39:47,236 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 06:39:47,237 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 06:39:47,237 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 06:39:47,237 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 06:39:47,238 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 06:39:47,238 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 06:39:47,238 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 06:39:47,238 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 06:39:47,238 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 06:39:47,238 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 06:39:47,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 06:39:47,239 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 06:39:47,239 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 06:39:47,240 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 06:39:47,241 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 06:39:47,241 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 06:39:47,241 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 06:39:47,241 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 06:39:47,241 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:39:47,241 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 06:39:47,241 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 06:39:47,242 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 06:39:47,242 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_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b4ba24d919a11a8964ba4efb542594e09c3f87e40d1934354280168341c07a82 [2022-12-14 06:39:47,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 06:39:47,512 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 06:39:47,514 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 06:39:47,515 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 06:39:47,516 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 06:39:47,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c [2022-12-14 06:39:50,079 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 06:39:50,310 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 06:39:50,311 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c [2022-12-14 06:39:50,324 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/43309a908/40fb87f7fa53483dad063bff875d4338/FLAG1c4be43d1 [2022-12-14 06:39:50,345 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/data/43309a908/40fb87f7fa53483dad063bff875d4338 [2022-12-14 06:39:50,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 06:39:50,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 06:39:50,349 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 06:39:50,349 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 06:39:50,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 06:39:50,351 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:50,352 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@eb1731d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50, skipping insertion in model container [2022-12-14 06:39:50,352 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:50,357 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 06:39:50,407 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 06:39:50,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c[1107,1120] [2022-12-14 06:39:50,776 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:39:50,781 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 06:39:50,788 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.sdlx.c[1107,1120] [2022-12-14 06:39:50,893 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 06:39:50,902 INFO L208 MainTranslator]: Completed translation [2022-12-14 06:39:50,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50 WrapperNode [2022-12-14 06:39:50,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 06:39:50,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 06:39:50,903 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 06:39:50,903 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 06:39:50,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:50,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,051 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3408 [2022-12-14 06:39:51,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 06:39:51,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 06:39:51,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 06:39:51,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 06:39:51,059 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,131 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,138 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,146 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,170 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 06:39:51,171 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 06:39:51,171 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 06:39:51,171 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 06:39:51,171 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (1/1) ... [2022-12-14 06:39:51,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 06:39:51,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:39:51,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 06:39:51,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 06:39:51,235 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 06:39:51,235 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 06:39:51,650 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 06:39:51,652 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 06:39:54,994 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 06:39:55,001 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 06:39:55,001 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 06:39:55,003 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:55 BoogieIcfgContainer [2022-12-14 06:39:55,003 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 06:39:55,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 06:39:55,006 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 06:39:55,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 06:39:55,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 06:39:50" (1/3) ... [2022-12-14 06:39:55,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd880d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:55, skipping insertion in model container [2022-12-14 06:39:55,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 06:39:50" (2/3) ... [2022-12-14 06:39:55,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dd880d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 06:39:55, skipping insertion in model container [2022-12-14 06:39:55,011 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 06:39:55" (3/3) ... [2022-12-14 06:39:55,012 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.sdlx.c [2022-12-14 06:39:55,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 06:39:55,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 06:39:55,077 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 06:39:55,084 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;@6d30a065, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 06:39:55,084 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 06:39:55,089 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) [2022-12-14 06:39:55,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 06:39:55,095 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:39:55,095 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 06:39:55,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:39:55,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:39:55,101 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 06:39:55,114 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:39:55,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1819948145] [2022-12-14 06:39:55,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:39:55,115 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 [2022-12-14 06:39:55,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:39:55,117 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:39:55,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:39:55,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:39:55,553 INFO L263 TraceCheckSpWp]: Trace formula consists of 297 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-14 06:39:55,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:39:55,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:39:55,691 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 06:39:55,691 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:39:55,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1819948145] [2022-12-14 06:39:55,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1819948145] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 06:39:55,692 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 06:39:55,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 06:39:55,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084260263] [2022-12-14 06:39:55,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 06:39:55,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 06:39:55,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:39:55,717 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 06:39:55,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 06:39:55,719 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) [2022-12-14 06:39:56,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:39:56,210 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 06:39:56,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 06:39:56,212 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 [2022-12-14 06:39:56,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:39:56,216 INFO L225 Difference]: With dead ends: 20 [2022-12-14 06:39:56,217 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 06:39:56,218 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 [2022-12-14 06:39:56,220 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-12-14 06:39:56,221 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-12-14 06:39:56,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 06:39:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 06:39:56,240 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) [2022-12-14 06:39:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 06:39:56,241 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 06:39:56,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:39:56,241 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 06:39:56,241 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) [2022-12-14 06:39:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 06:39:56,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 06:39:56,242 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:39:56,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 06:39:56,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:39:56,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:39:56,444 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:39:56,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:39:56,446 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 06:39:56,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:39:56,461 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [791804342] [2022-12-14 06:39:56,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:39:56,462 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 [2022-12-14 06:39:56,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:39:56,466 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:39:56,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:39:57,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:39:57,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 3260 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 06:39:57,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:39:57,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:39:57,738 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:39:57,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:39:57,934 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:39:57,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [791804342] [2022-12-14 06:39:57,934 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [791804342] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:39:57,934 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1852029640] [2022-12-14 06:39:57,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:39:57,934 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 06:39:57,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 06:39:57,936 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 06:39:57,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 06:40:00,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:40:00,361 INFO L263 TraceCheckSpWp]: Trace formula consists of 3260 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-14 06:40:00,376 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:00,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:00,440 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:40:00,610 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:00,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1852029640] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:40:00,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [94599123] [2022-12-14 06:40:00,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 06:40:00,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:40:00,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:40:00,612 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:40:00,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 06:40:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 06:40:01,674 INFO L263 TraceCheckSpWp]: Trace formula consists of 3260 conjuncts, 35 conjunts are in the unsatisfiable core [2022-12-14 06:40:01,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:01,771 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:01,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:40:01,964 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:01,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [94599123] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:40:01,965 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 06:40:01,965 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 10 [2022-12-14 06:40:01,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968314149] [2022-12-14 06:40:01,966 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 06:40:01,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 06:40:01,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:40:01,967 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 06:40:01,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-12-14 06:40:01,967 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) [2022-12-14 06:40:03,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:40:03,055 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 06:40:03,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 06:40:03,056 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 [2022-12-14 06:40:03,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:40:03,056 INFO L225 Difference]: With dead ends: 16 [2022-12-14 06:40:03,056 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 06:40:03,057 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 2 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2022-12-14 06:40:03,058 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-12-14 06:40:03,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 22 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-12-14 06:40:03,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 06:40:03,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-14 06:40:03,061 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) [2022-12-14 06:40:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 06:40:03,061 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-14 06:40:03,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:40:03,062 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-14 06:40:03,062 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) [2022-12-14 06:40:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 06:40:03,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 06:40:03,062 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:40:03,062 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 06:40:03,080 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-12-14 06:40:03,277 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 06:40:03,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 06:40:03,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:40:03,666 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:40:03,667 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:40:03,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-14 06:40:03,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:40:03,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [630276043] [2022-12-14 06:40:03,675 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 06:40:03,675 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 [2022-12-14 06:40:03,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:40:03,676 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:40:03,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 [2022-12-14 06:40:05,281 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 06:40:05,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:40:05,402 INFO L263 TraceCheckSpWp]: Trace formula consists of 6223 conjuncts, 85 conjunts are in the unsatisfiable core [2022-12-14 06:40:05,418 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:05,819 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:05,819 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:40:12,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:12,680 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 06:40:12,680 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [630276043] [2022-12-14 06:40:12,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [630276043] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:40:12,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [119470824] [2022-12-14 06:40:12,681 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 06:40:12,681 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 06:40:12,681 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 06:40:12,682 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 06:40:12,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-14 06:40:17,258 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 06:40:17,258 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:40:17,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 6223 conjuncts, 116 conjunts are in the unsatisfiable core [2022-12-14 06:40:17,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:18,075 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:18,075 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:40:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:30,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [119470824] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:40:30,691 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090497284] [2022-12-14 06:40:30,692 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 06:40:30,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:40:30,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 06:40:30,693 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 06:40:30,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 06:40:33,169 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 06:40:33,169 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:40:33,215 INFO L263 TraceCheckSpWp]: Trace formula consists of 6223 conjuncts, 115 conjunts are in the unsatisfiable core [2022-12-14 06:40:33,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:33,691 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:33,691 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 06:40:44,236 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:44,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090497284] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 06:40:44,237 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 06:40:44,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 7, 7] total 19 [2022-12-14 06:40:44,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074790572] [2022-12-14 06:40:44,237 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 06:40:44,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-12-14 06:40:44,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 06:40:44,238 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-12-14 06:40:44,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2022-12-14 06:40:44,238 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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) [2022-12-14 06:40:45,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 06:40:45,667 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-12-14 06:40:45,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 06:40:45,668 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-14 06:40:45,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 06:40:45,668 INFO L225 Difference]: With dead ends: 19 [2022-12-14 06:40:45,668 INFO L226 Difference]: Without dead ends: 17 [2022-12-14 06:40:45,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-12-14 06:40:45,669 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 21 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-12-14 06:40:45,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 31 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-12-14 06:40:45,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-12-14 06:40:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-12-14 06:40:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 06:40:45,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-12-14 06:40:45,672 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-12-14 06:40:45,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 06:40:45,673 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-12-14 06:40:45,673 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.210526315789474) internal successors, (42), 19 states have internal predecessors, (42), 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) [2022-12-14 06:40:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-12-14 06:40:45,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-14 06:40:45,673 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 06:40:45,673 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-12-14 06:40:45,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2022-12-14 06:40:45,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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)] Ended with exit code 0 [2022-12-14 06:40:46,115 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 06:40:46,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 06:40:46,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 06:40:46,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 06:40:46,278 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-12-14 06:40:46,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 06:40:46,304 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2134245359] [2022-12-14 06:40:46,304 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-14 06:40:46,304 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 [2022-12-14 06:40:46,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 06:40:46,308 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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) [2022-12-14 06:40:46,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6df058fa-f559-4276-aa97-9fa267dee168/bin/utaipan-gh47qXpMRh/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 (9)] Waiting until timeout for monitored process [2022-12-14 06:40:48,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-12-14 06:40:49,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 06:40:49,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 9186 conjuncts, 617 conjunts are in the unsatisfiable core [2022-12-14 06:40:49,200 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 06:40:59,178 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 06:40:59,179 INFO L328 TraceCheckSpWp]: Computing backward predicates...