./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:38:26,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:38:26,825 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:38:26,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:38:26,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:38:26,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:38:26,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:38:26,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:38:26,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:38:26,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:38:26,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:38:26,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:38:26,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:38:26,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:38:26,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:38:26,878 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:38:26,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:38:26,882 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:38:26,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:38:26,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:38:26,889 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:38:26,891 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:38:26,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:38:26,895 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:38:26,902 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:38:26,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:38:26,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:38:26,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:38:26,905 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:38:26,906 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:38:26,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:38:26,908 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:38:26,910 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:38:26,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:38:26,914 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:38:26,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:38:26,915 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:38:26,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:38:26,916 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:38:26,917 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:38:26,918 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:38:26,919 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:38:26,958 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:38:26,962 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:38:26,963 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:38:26,963 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:38:26,964 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:38:26,965 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:38:26,966 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:38:26,966 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:38:26,966 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:38:26,966 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:38:26,968 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:38:26,968 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:38:26,968 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:38:26,969 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:38:26,969 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:38:26,969 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:38:26,969 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:38:26,969 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:38:26,970 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:38:26,970 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:38:26,970 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:38:26,971 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:26,971 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:38:26,971 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:38:26,971 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:38:26,972 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:38:26,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:38:26,972 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:38:26,972 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:38:26,973 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:38:26,973 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_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 [2022-11-16 11:38:27,391 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:38:27,432 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:38:27,436 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:38:27,438 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:38:27,439 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:38:27,441 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:27,531 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/991927482/474bfe46b43b4166896cefe09ae2ba7c/FLAGba4d51da3 [2022-11-16 11:38:28,236 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:38:28,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:28,254 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/991927482/474bfe46b43b4166896cefe09ae2ba7c/FLAGba4d51da3 [2022-11-16 11:38:28,520 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/991927482/474bfe46b43b4166896cefe09ae2ba7c [2022-11-16 11:38:28,523 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:38:28,524 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:38:28,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:28,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:38:28,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:38:28,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:28" (1/1) ... [2022-11-16 11:38:28,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50fba8bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:28, skipping insertion in model container [2022-11-16 11:38:28,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:28" (1/1) ... [2022-11-16 11:38:28,546 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:38:28,602 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:38:28,817 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-16 11:38:29,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:29,064 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:38:29,077 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-16 11:38:29,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:29,236 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:38:29,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29 WrapperNode [2022-11-16 11:38:29,240 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:29,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:29,242 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:38:29,242 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:38:29,252 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,278 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,351 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 560 [2022-11-16 11:38:29,359 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:29,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:38:29,360 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:38:29,360 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:38:29,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,374 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,375 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,387 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,395 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,398 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,404 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:38:29,405 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:38:29,405 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:38:29,405 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:38:29,406 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (1/1) ... [2022-11-16 11:38:29,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:29,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:38:29,464 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:38:29,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:38:29,518 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:38:29,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:38:29,731 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:38:29,733 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:38:30,393 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:38:30,405 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:38:30,406 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:38:30,408 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:30 BoogieIcfgContainer [2022-11-16 11:38:30,408 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:38:30,410 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:38:30,410 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:38:30,414 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:38:30,414 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:28" (1/3) ... [2022-11-16 11:38:30,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4febbd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:30, skipping insertion in model container [2022-11-16 11:38:30,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:29" (2/3) ... [2022-11-16 11:38:30,415 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4febbd29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:30, skipping insertion in model container [2022-11-16 11:38:30,415 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:30" (3/3) ... [2022-11-16 11:38:30,417 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:30,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:38:30,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:38:30,476 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:38:30,499 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3fe83a84, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:38:30,500 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:38:30,504 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:30,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 11:38:30,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:30,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:30,512 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:30,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:30,518 INFO L85 PathProgramCache]: Analyzing trace with hash 617729159, now seen corresponding path program 1 times [2022-11-16 11:38:30,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:30,528 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784019624] [2022-11-16 11:38:30,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:30,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:30,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:31,509 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:31,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:31,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784019624] [2022-11-16 11:38:31,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784019624] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:31,511 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:31,511 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:38:31,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943381765] [2022-11-16 11:38:31,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:31,518 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:38:31,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:31,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:38:31,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:38:31,559 INFO L87 Difference]: Start difference. First operand has 71 states, 69 states have (on average 1.6376811594202898) internal successors, (113), 70 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:31,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:31,718 INFO L93 Difference]: Finished difference Result 241 states and 397 transitions. [2022-11-16 11:38:31,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:31,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 33 [2022-11-16 11:38:31,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:31,731 INFO L225 Difference]: With dead ends: 241 [2022-11-16 11:38:31,731 INFO L226 Difference]: Without dead ends: 172 [2022-11-16 11:38:31,734 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:31,737 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 297 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 297 SdHoareTripleChecker+Valid, 413 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:31,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [297 Valid, 413 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:38:31,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2022-11-16 11:38:31,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 69. [2022-11-16 11:38:31,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.6029411764705883) internal successors, (109), 68 states have internal predecessors, (109), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:31,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 109 transitions. [2022-11-16 11:38:31,788 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 109 transitions. Word has length 33 [2022-11-16 11:38:31,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:31,789 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 109 transitions. [2022-11-16 11:38:31,789 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2022-11-16 11:38:31,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:38:31,791 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:31,791 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:31,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:38:31,792 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:31,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:31,793 INFO L85 PathProgramCache]: Analyzing trace with hash 1971519443, now seen corresponding path program 1 times [2022-11-16 11:38:31,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:31,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661930988] [2022-11-16 11:38:31,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:31,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:31,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:32,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:32,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661930988] [2022-11-16 11:38:32,055 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661930988] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:32,055 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:32,056 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:38:32,056 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [70634715] [2022-11-16 11:38:32,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:32,059 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:38:32,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:32,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:38:32,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:32,061 INFO L87 Difference]: Start difference. First operand 69 states and 109 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:32,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:32,640 INFO L93 Difference]: Finished difference Result 344 states and 539 transitions. [2022-11-16 11:38:32,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:38:32,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2022-11-16 11:38:32,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:32,642 INFO L225 Difference]: With dead ends: 344 [2022-11-16 11:38:32,643 INFO L226 Difference]: Without dead ends: 201 [2022-11-16 11:38:32,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:38:32,645 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 436 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 388 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 388 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:32,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 136 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 388 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 11:38:32,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2022-11-16 11:38:32,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 90. [2022-11-16 11:38:32,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 89 states have (on average 1.595505617977528) internal successors, (142), 89 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:32,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 142 transitions. [2022-11-16 11:38:32,669 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 142 transitions. Word has length 34 [2022-11-16 11:38:32,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:32,670 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 142 transitions. [2022-11-16 11:38:32,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:32,671 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 142 transitions. [2022-11-16 11:38:32,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-16 11:38:32,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:32,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:32,673 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:38:32,674 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:32,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:32,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1463356219, now seen corresponding path program 1 times [2022-11-16 11:38:32,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:32,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952602886] [2022-11-16 11:38:32,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:32,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:32,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:32,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:32,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:32,936 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952602886] [2022-11-16 11:38:32,936 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952602886] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:32,937 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:32,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:38:32,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140148852] [2022-11-16 11:38:32,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:32,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:38:32,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:32,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:38:32,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:32,946 INFO L87 Difference]: Start difference. First operand 90 states and 142 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:33,266 INFO L93 Difference]: Finished difference Result 234 states and 372 transitions. [2022-11-16 11:38:33,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:33,267 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2022-11-16 11:38:33,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:33,269 INFO L225 Difference]: With dead ends: 234 [2022-11-16 11:38:33,269 INFO L226 Difference]: Without dead ends: 167 [2022-11-16 11:38:33,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:38:33,271 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 280 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 266 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 280 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:33,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [280 Valid, 103 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 266 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:38:33,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2022-11-16 11:38:33,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 102. [2022-11-16 11:38:33,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 101 states have (on average 1.5841584158415842) internal successors, (160), 101 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 160 transitions. [2022-11-16 11:38:33,280 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 160 transitions. Word has length 35 [2022-11-16 11:38:33,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:33,280 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 160 transitions. [2022-11-16 11:38:33,281 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,281 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 160 transitions. [2022-11-16 11:38:33,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-11-16 11:38:33,282 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:33,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:33,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:38:33,283 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:33,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:33,283 INFO L85 PathProgramCache]: Analyzing trace with hash 468279659, now seen corresponding path program 1 times [2022-11-16 11:38:33,284 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:33,284 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628221233] [2022-11-16 11:38:33,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:33,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:33,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:33,540 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:38:33,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628221233] [2022-11-16 11:38:33,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628221233] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:33,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:33,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:38:33,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1745676284] [2022-11-16 11:38:33,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:33,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:38:33,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:38:33,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:38:33,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:33,543 INFO L87 Difference]: Start difference. First operand 102 states and 160 transitions. Second operand has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:33,871 INFO L93 Difference]: Finished difference Result 240 states and 380 transitions. [2022-11-16 11:38:33,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:33,871 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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 36 [2022-11-16 11:38:33,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:33,873 INFO L225 Difference]: With dead ends: 240 [2022-11-16 11:38:33,874 INFO L226 Difference]: Without dead ends: 173 [2022-11-16 11:38:33,875 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-16 11:38:33,881 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 199 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 199 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 353 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:33,886 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [199 Valid, 133 Invalid, 353 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:38:33,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2022-11-16 11:38:33,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 108. [2022-11-16 11:38:33,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 108 states, 107 states have (on average 1.5700934579439252) internal successors, (168), 107 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 168 transitions. [2022-11-16 11:38:33,902 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 168 transitions. Word has length 36 [2022-11-16 11:38:33,903 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:33,903 INFO L495 AbstractCegarLoop]: Abstraction has 108 states and 168 transitions. [2022-11-16 11:38:33,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 168 transitions. [2022-11-16 11:38:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:38:33,908 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:33,909 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:33,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:38:33,909 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:33,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:33,910 INFO L85 PathProgramCache]: Analyzing trace with hash 1419547783, now seen corresponding path program 1 times [2022-11-16 11:38:33,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:38:33,910 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752288183] [2022-11-16 11:38:33,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:38:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:38:34,287 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:38:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:38:34,605 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:38:34,605 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:38:34,606 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:38:34,608 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 11:38:34,613 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-16 11:38:34,617 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:38:34,716 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:38:34,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:38:34 BoogieIcfgContainer [2022-11-16 11:38:34,758 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:38:34,759 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:38:34,760 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:38:34,760 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:38:34,760 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:30" (3/4) ... [2022-11-16 11:38:34,763 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:38:34,764 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:38:34,766 INFO L158 Benchmark]: Toolchain (without parser) took 6240.80ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 99.4MB in the beginning and 126.8MB in the end (delta: -27.4MB). Peak memory consumption was 38.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,766 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:34,767 INFO L158 Benchmark]: CACSL2BoogieTranslator took 709.05ms. Allocated memory is still 136.3MB. Free memory was 99.0MB in the beginning and 100.8MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,767 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.44ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 95.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,769 INFO L158 Benchmark]: Boogie Preprocessor took 44.54ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 92.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,770 INFO L158 Benchmark]: RCFGBuilder took 1002.66ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 49.6MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,770 INFO L158 Benchmark]: TraceAbstraction took 4348.81ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 49.6MB in the beginning and 126.8MB in the end (delta: -77.2MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-16 11:38:34,771 INFO L158 Benchmark]: Witness Printer took 5.14ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:38:34,775 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory was 107.2MB in the beginning and 107.2MB in the end (delta: 28.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 709.05ms. Allocated memory is still 136.3MB. Free memory was 99.0MB in the beginning and 100.8MB in the end (delta: -1.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.44ms. Allocated memory is still 136.3MB. Free memory was 100.8MB in the beginning and 95.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.54ms. Allocated memory is still 136.3MB. Free memory was 95.8MB in the beginning and 92.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1002.66ms. Allocated memory is still 136.3MB. Free memory was 92.4MB in the beginning and 49.6MB in the end (delta: 42.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * TraceAbstraction took 4348.81ms. Allocated memory was 136.3MB in the beginning and 201.3MB in the end (delta: 65.0MB). Free memory was 49.6MB in the beginning and 126.8MB in the end (delta: -77.2MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. * Witness Printer took 5.14ms. Allocated memory is still 201.3MB. Free memory is still 126.8MB. 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 bitwiseOr at line 204, overapproximation of bitwiseComplement at line 206, overapproximation of bitwiseAnd at line 212. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 32); [L32] const SORT_9 msb_SORT_9 = (SORT_9)1 << (32 - 1); [L34] const SORT_1 var_6 = 0; [L35] const SORT_9 var_11 = 1; [L36] const SORT_1 var_28 = 1; [L37] const SORT_3 var_59 = 0; [L38] const SORT_3 var_62 = 27; [L39] const SORT_3 var_71 = 85; [L40] const SORT_3 var_74 = 67; [L41] const SORT_3 var_77 = 78; [L43] SORT_1 input_2; [L44] SORT_3 input_4; [L45] SORT_1 input_5; [L46] SORT_3 input_65; [L47] SORT_1 input_70; [L48] SORT_1 input_82; [L49] SORT_1 input_85; [L50] SORT_1 input_89; [L51] SORT_1 input_98; [L52] SORT_1 input_101; [L53] SORT_1 input_105; [L54] SORT_1 input_114; [L55] SORT_1 input_117; [L56] SORT_1 input_121; [L57] SORT_1 input_130; [L58] SORT_1 input_133; [L60] SORT_1 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L61] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L62] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L63] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L64] SORT_3 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L65] SORT_3 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L67] SORT_1 init_8_arg_1 = var_6; [L68] state_7 = init_8_arg_1 [L69] SORT_1 init_14_arg_1 = var_6; [L70] state_13 = init_14_arg_1 [L71] SORT_1 init_21_arg_1 = var_6; [L72] state_20 = init_21_arg_1 [L73] SORT_1 init_30_arg_1 = var_28; [L74] state_29 = init_30_arg_1 [L75] SORT_3 init_61_arg_1 = var_59; [L76] state_60 = init_61_arg_1 [L77] SORT_3 init_69_arg_1 = var_59; [L78] state_68 = init_69_arg_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_11=1, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L81] input_2 = __VERIFIER_nondet_uchar() [L82] input_4 = __VERIFIER_nondet_uchar() [L83] input_5 = __VERIFIER_nondet_uchar() [L84] input_5 = input_5 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_2=13, input_4=9, input_5=0, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_11=1, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L85] input_65 = __VERIFIER_nondet_uchar() [L86] input_70 = __VERIFIER_nondet_uchar() [L87] input_82 = __VERIFIER_nondet_uchar() [L88] input_85 = __VERIFIER_nondet_uchar() [L89] input_89 = __VERIFIER_nondet_uchar() [L90] input_98 = __VERIFIER_nondet_uchar() [L91] input_101 = __VERIFIER_nondet_uchar() [L92] input_105 = __VERIFIER_nondet_uchar() [L93] input_114 = __VERIFIER_nondet_uchar() [L94] input_117 = __VERIFIER_nondet_uchar() [L95] input_121 = __VERIFIER_nondet_uchar() [L96] input_130 = __VERIFIER_nondet_uchar() [L97] input_133 = __VERIFIER_nondet_uchar() [L100] SORT_1 var_10_arg_0 = state_7; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10_arg_0=0, var_11=1, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L101] var_10_arg_0 = var_10_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10_arg_0=0, var_11=1, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L102] SORT_9 var_10 = var_10_arg_0; [L103] SORT_9 var_12_arg_0 = var_10; [L104] SORT_9 var_12_arg_1 = var_11; [L105] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L106] SORT_1 var_15_arg_0 = state_13; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L107] var_15_arg_0 = var_15_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L108] SORT_9 var_15 = var_15_arg_0; [L109] SORT_9 var_16_arg_0 = var_15; [L110] SORT_9 var_16_arg_1 = var_11; [L111] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L112] SORT_1 var_17_arg_0 = var_12; [L113] SORT_1 var_17_arg_1 = var_16; [L114] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L115] SORT_1 var_18_arg_0 = state_7; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L116] var_18_arg_0 = var_18_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L117] SORT_9 var_18 = var_18_arg_0; [L118] SORT_9 var_19_arg_0 = var_18; [L119] SORT_9 var_19_arg_1 = var_11; [L120] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L121] SORT_1 var_22_arg_0 = state_20; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L122] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L123] SORT_9 var_22 = var_22_arg_0; [L124] SORT_9 var_23_arg_0 = var_22; [L125] SORT_9 var_23_arg_1 = var_11; [L126] SORT_1 var_23 = var_23_arg_0 == var_23_arg_1; [L127] SORT_1 var_24_arg_0 = var_19; [L128] SORT_1 var_24_arg_1 = var_23; [L129] SORT_1 var_24 = var_24_arg_0 & var_24_arg_1; [L130] SORT_1 var_25_arg_0 = var_17; [L131] SORT_1 var_25_arg_1 = var_24; [L132] SORT_1 var_25 = var_25_arg_0 | var_25_arg_1; [L133] SORT_1 var_26_arg_0 = state_7; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L134] var_26_arg_0 = var_26_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26_arg_0=0, var_28=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L135] SORT_9 var_26 = var_26_arg_0; [L136] SORT_9 var_27_arg_0 = var_26; [L137] SORT_9 var_27_arg_1 = var_11; [L138] SORT_1 var_27 = var_27_arg_0 == var_27_arg_1; [L139] SORT_1 var_31_arg_0 = state_29; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L140] var_31_arg_0 = var_31_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L141] SORT_9 var_31 = var_31_arg_0; [L142] SORT_9 var_32_arg_0 = var_31; [L143] SORT_9 var_32_arg_1 = var_11; [L144] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L145] SORT_1 var_33_arg_0 = var_27; [L146] SORT_1 var_33_arg_1 = var_32; [L147] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L148] SORT_1 var_34_arg_0 = var_25; [L149] SORT_1 var_34_arg_1 = var_33; [L150] SORT_1 var_34 = var_34_arg_0 | var_34_arg_1; [L151] SORT_1 var_35_arg_0 = state_13; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L152] var_35_arg_0 = var_35_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L153] SORT_9 var_35 = var_35_arg_0; [L154] SORT_9 var_36_arg_0 = var_35; [L155] SORT_9 var_36_arg_1 = var_11; [L156] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L157] SORT_1 var_37_arg_0 = state_20; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L158] var_37_arg_0 = var_37_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L159] SORT_9 var_37 = var_37_arg_0; [L160] SORT_9 var_38_arg_0 = var_37; [L161] SORT_9 var_38_arg_1 = var_11; [L162] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L163] SORT_1 var_39_arg_0 = var_36; [L164] SORT_1 var_39_arg_1 = var_38; [L165] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L166] SORT_1 var_40_arg_0 = var_34; [L167] SORT_1 var_40_arg_1 = var_39; [L168] SORT_1 var_40 = var_40_arg_0 | var_40_arg_1; [L169] SORT_1 var_41_arg_0 = state_13; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L170] var_41_arg_0 = var_41_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L171] SORT_9 var_41 = var_41_arg_0; [L172] SORT_9 var_42_arg_0 = var_41; [L173] SORT_9 var_42_arg_1 = var_11; [L174] SORT_1 var_42 = var_42_arg_0 == var_42_arg_1; [L175] SORT_1 var_43_arg_0 = state_29; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L176] var_43_arg_0 = var_43_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L177] SORT_9 var_43 = var_43_arg_0; [L178] SORT_9 var_44_arg_0 = var_43; [L179] SORT_9 var_44_arg_1 = var_11; [L180] SORT_1 var_44 = var_44_arg_0 == var_44_arg_1; [L181] SORT_1 var_45_arg_0 = var_42; [L182] SORT_1 var_45_arg_1 = var_44; [L183] SORT_1 var_45 = var_45_arg_0 & var_45_arg_1; [L184] SORT_1 var_46_arg_0 = var_40; [L185] SORT_1 var_46_arg_1 = var_45; [L186] SORT_1 var_46 = var_46_arg_0 | var_46_arg_1; [L187] SORT_1 var_47_arg_0 = state_20; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L188] var_47_arg_0 = var_47_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47_arg_0=0, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L189] SORT_9 var_47 = var_47_arg_0; [L190] SORT_9 var_48_arg_0 = var_47; [L191] SORT_9 var_48_arg_1 = var_11; [L192] SORT_1 var_48 = var_48_arg_0 == var_48_arg_1; [L193] SORT_1 var_49_arg_0 = state_29; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L194] var_49_arg_0 = var_49_arg_0 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49_arg_0=1, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L195] SORT_9 var_49 = var_49_arg_0; [L196] SORT_9 var_50_arg_0 = var_49; [L197] SORT_9 var_50_arg_1 = var_11; [L198] SORT_1 var_50 = var_50_arg_0 == var_50_arg_1; [L199] SORT_1 var_51_arg_0 = var_48; [L200] SORT_1 var_51_arg_1 = var_50; [L201] SORT_1 var_51 = var_51_arg_0 & var_51_arg_1; [L202] SORT_1 var_52_arg_0 = var_46; [L203] SORT_1 var_52_arg_1 = var_51; [L204] SORT_1 var_52 = var_52_arg_0 | var_52_arg_1; [L205] SORT_1 var_53_arg_0 = var_52; [L206] SORT_1 var_53 = ~var_53_arg_0; [L207] SORT_1 var_56_arg_0 = var_53; [L208] SORT_1 var_56 = ~var_56_arg_0; [L209] SORT_1 var_57_arg_0 = var_28; [L210] SORT_1 var_57_arg_1 = var_56; [L211] SORT_1 var_57 = var_57_arg_0 & var_57_arg_1; VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49=1, var_49_arg_0=1, var_50=1, var_50_arg_0=1, var_50_arg_1=1, var_51=0, var_51_arg_0=0, var_51_arg_1=1, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=17, var_53_arg_0=0, var_56=2, var_56_arg_0=17, var_57=3, var_57_arg_0=1, var_57_arg_1=2, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L212] var_57 = var_57 & mask_SORT_1 VAL [init_14_arg_1=0, init_21_arg_1=0, init_30_arg_1=1, init_61_arg_1=0, init_69_arg_1=0, init_8_arg_1=0, input_101=11, input_105=1, input_114=8, input_117=2, input_121=7, input_130=15, input_133=4, input_2=13, input_4=9, input_5=0, input_65=12, input_70=14, input_82=10, input_85=5, input_89=16, input_98=6, mask_SORT_1=1, mask_SORT_3=255, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_3=128, msb_SORT_9=2147483648, state_13=0, state_20=0, state_29=1, state_60=0, state_68=0, state_7=0, var_10=0, var_10_arg_0=0, var_11=1, var_12=0, var_12_arg_0=0, var_12_arg_1=1, var_15=0, var_15_arg_0=0, var_16=0, var_16_arg_0=0, var_16_arg_1=1, var_17=0, var_17_arg_0=0, var_17_arg_1=0, var_18=0, var_18_arg_0=0, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_23_arg_0=0, var_23_arg_1=1, var_24=0, var_24_arg_0=0, var_24_arg_1=0, var_25=0, var_25_arg_0=0, var_25_arg_1=0, var_26=0, var_26_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=1, var_28=1, var_31=1, var_31_arg_0=1, var_32=1, var_32_arg_0=1, var_32_arg_1=1, var_33=0, var_33_arg_0=0, var_33_arg_1=1, var_34=0, var_34_arg_0=0, var_34_arg_1=0, var_35=0, var_35_arg_0=0, var_36=0, var_36_arg_0=0, var_36_arg_1=1, var_37=0, var_37_arg_0=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=0, var_39_arg_1=0, var_40=0, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_42=0, var_42_arg_0=0, var_42_arg_1=1, var_43=1, var_43_arg_0=1, var_44=1, var_44_arg_0=1, var_44_arg_1=1, var_45=0, var_45_arg_0=0, var_45_arg_1=1, var_46=0, var_46_arg_0=0, var_46_arg_1=0, var_47=0, var_47_arg_0=0, var_48=0, var_48_arg_0=0, var_48_arg_1=1, var_49=1, var_49_arg_0=1, var_50=1, var_50_arg_0=1, var_50_arg_1=1, var_51=0, var_51_arg_0=0, var_51_arg_1=1, var_52=0, var_52_arg_0=0, var_52_arg_1=0, var_53=17, var_53_arg_0=0, var_56=2, var_56_arg_0=17, var_57=1, var_57_arg_0=1, var_57_arg_1=2, var_59=0, var_6=0, var_62=27, var_71=85, var_74=67, var_77=78] [L213] SORT_1 bad_58_arg_0 = var_57; [L214] CALL __VERIFIER_assert(!(bad_58_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1212 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1212 mSDsluCounter, 785 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 484 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1021 IncrementalHoareTripleChecker+Invalid, 1060 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 301 mSDtfsCounter, 1021 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=108occurred in iteration=4, InterpolantAutomatonStates: 23, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 344 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 134 ConstructedInterpolants, 0 QuantifiedInterpolants, 412 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:38:34,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:38:37,207 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:38:37,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:38:37,248 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:38:37,248 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:38:37,252 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:38:37,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:38:37,262 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:38:37,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:38:37,270 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:38:37,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:38:37,274 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:38:37,274 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:38:37,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:38:37,278 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:38:37,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:38:37,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:38:37,284 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:38:37,289 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:38:37,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:38:37,299 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:38:37,300 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:38:37,302 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:38:37,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:38:37,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:38:37,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:38:37,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:38:37,316 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:38:37,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:38:37,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:38:37,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:38:37,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:38:37,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:38:37,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:38:37,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:38:37,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:38:37,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:38:37,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:38:37,325 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:38:37,326 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:38:37,327 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:38:37,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:38:37,381 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:38:37,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:38:37,383 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:38:37,383 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:38:37,385 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:38:37,385 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:38:37,387 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:38:37,387 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:38:37,387 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:38:37,388 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:38:37,389 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:38:37,389 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:38:37,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:38:37,390 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:38:37,390 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:38:37,390 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:38:37,391 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:38:37,391 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:38:37,391 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:38:37,391 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:38:37,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:38:37,392 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:38:37,392 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:38:37,392 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:37,393 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:38:37,393 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:38:37,393 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:38:37,394 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:38:37,394 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:38:37,394 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:38:37,394 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:38:37,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:38:37,395 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:38:37,395 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_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 49be4ee23c057d32f8ac5e24c222fef6761d7999dc1116253007afd08a0c1660 [2022-11-16 11:38:37,904 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:38:37,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:38:37,938 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:38:37,939 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:38:37,942 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:38:37,944 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:38,023 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/68a915c84/03c475d0407a4eefab0a216254040c8f/FLAGe9c442fce [2022-11-16 11:38:38,630 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:38:38,631 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:38,646 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/68a915c84/03c475d0407a4eefab0a216254040c8f/FLAGe9c442fce [2022-11-16 11:38:38,939 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/data/68a915c84/03c475d0407a4eefab0a216254040c8f [2022-11-16 11:38:38,941 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:38:38,942 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:38:38,944 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:38,944 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:38:38,949 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:38:38,950 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:38" (1/1) ... [2022-11-16 11:38:38,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ad2f0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:38, skipping insertion in model container [2022-11-16 11:38:38,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:38:38" (1/1) ... [2022-11-16 11:38:38,965 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:38:39,028 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:38:39,168 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-16 11:38:39,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:39,395 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:38:39,411 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_Vlunc.c[1107,1120] [2022-11-16 11:38:39,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:38:39,526 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:38:39,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39 WrapperNode [2022-11-16 11:38:39,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:38:39,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:39,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:38:39,529 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:38:39,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,565 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,639 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 420 [2022-11-16 11:38:39,647 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:38:39,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:38:39,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:38:39,649 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:38:39,662 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,695 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,710 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,724 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,730 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:38:39,731 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:38:39,732 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:38:39,732 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:38:39,733 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (1/1) ... [2022-11-16 11:38:39,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:38:39,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:38:39,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:38:39,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:38:39,876 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:38:39,876 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:38:40,114 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:38:40,116 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:38:40,725 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:38:40,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:38:40,733 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:38:40,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:40 BoogieIcfgContainer [2022-11-16 11:38:40,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:38:40,737 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:38:40,738 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:38:40,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:38:40,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:38:38" (1/3) ... [2022-11-16 11:38:40,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6683b817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:40, skipping insertion in model container [2022-11-16 11:38:40,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:38:39" (2/3) ... [2022-11-16 11:38:40,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6683b817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:38:40, skipping insertion in model container [2022-11-16 11:38:40,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:38:40" (3/3) ... [2022-11-16 11:38:40,745 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_Vlunc.c [2022-11-16 11:38:40,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:38:40,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:38:40,813 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:38:40,820 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f669ed5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:38:40,834 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:38:40,838 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:40,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:38:40,845 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:40,846 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:38:40,847 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:40,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:40,854 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:38:40,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:38:40,871 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1355380776] [2022-11-16 11:38:40,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:40,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:40,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:38:40,877 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:38:40,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:38:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:41,079 WARN L261 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 76 conjunts are in the unsatisfiable core [2022-11-16 11:38:41,089 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:38:41,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:41,689 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:38:41,690 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:38:41,690 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1355380776] [2022-11-16 11:38:41,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1355380776] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:38:41,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:38:41,692 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:38:41,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429429818] [2022-11-16 11:38:41,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:38:41,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:38:41,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:38:41,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:38:41,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:38:41,737 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:41,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:41,862 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:38:41,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:38:41,866 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 11:38:41,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:41,876 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:38:41,876 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:38:41,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:38:41,884 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:41,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:38:41,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:38:41,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:38:41,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:41,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:38:41,924 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:38:41,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:41,925 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:38:41,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:41,925 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:38:41,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:38:41,926 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:41,926 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:38:41,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 11:38:42,139 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:42,139 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:42,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:42,140 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:38:42,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:38:42,141 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2045109130] [2022-11-16 11:38:42,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:38:42,141 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:42,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:38:42,145 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:38:42,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:38:42,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:38:42,481 INFO L263 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 126 conjunts are in the unsatisfiable core [2022-11-16 11:38:42,489 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:38:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:43,513 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:38:48,427 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:48,428 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:38:48,428 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2045109130] [2022-11-16 11:38:48,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2045109130] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:38:48,429 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:38:48,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:38:48,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309826393] [2022-11-16 11:38:48,429 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:38:48,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:38:48,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:38:48,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:38:48,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:38:48,432 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:48,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:48,493 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-16 11:38:48,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:38:48,493 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 11:38:48,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:48,494 INFO L225 Difference]: With dead ends: 14 [2022-11-16 11:38:48,494 INFO L226 Difference]: Without dead ends: 12 [2022-11-16 11:38:48,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-16 11:38:48,496 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:48,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-16 11:38:48,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-16 11:38:48,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-16 11:38:48,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:48,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:38:48,501 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:38:48,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:48,501 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:38:48,502 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:48,502 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:38:48,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:38:48,503 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:48,503 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:38:48,525 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 11:38:48,715 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:48,716 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:48,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:48,717 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:38:48,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:38:48,718 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35119073] [2022-11-16 11:38:48,718 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:38:48,719 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:48,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:38:48,722 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:38:48,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:38:49,129 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:38:49,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:38:49,153 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 174 conjunts are in the unsatisfiable core [2022-11-16 11:38:49,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:38:50,732 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:50,732 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:38:59,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:38:59,162 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:38:59,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35119073] [2022-11-16 11:38:59,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35119073] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:38:59,163 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:38:59,163 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-16 11:38:59,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609297367] [2022-11-16 11:38:59,163 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:38:59,164 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:38:59,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:38:59,165 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:38:59,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=123, Unknown=0, NotChecked=0, Total=182 [2022-11-16 11:38:59,165 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:59,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:38:59,317 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2022-11-16 11:38:59,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 11:38:59,318 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 11:38:59,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:38:59,318 INFO L225 Difference]: With dead ends: 17 [2022-11-16 11:38:59,318 INFO L226 Difference]: Without dead ends: 15 [2022-11-16 11:38:59,319 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-11-16 11:38:59,320 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 14 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:38:59,321 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 28 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 14 Unchecked, 0.0s Time] [2022-11-16 11:38:59,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-16 11:38:59,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-16 11:38:59,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:59,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:38:59,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:38:59,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:38:59,326 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:38:59,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 14 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:38:59,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:38:59,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:38:59,327 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:38:59,327 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:38:59,348 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:38:59,548 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:59,549 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:38:59,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:38:59,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:38:59,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:38:59,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [680409102] [2022-11-16 11:38:59,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:38:59,552 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:38:59,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:38:59,553 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:38:59,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:38:59,972 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 11:38:59,973 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:38:59,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 788 conjuncts, 385 conjunts are in the unsatisfiable core [2022-11-16 11:39:00,004 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:39:08,536 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:39:08,536 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [680409102] [2022-11-16 11:39:08,537 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 11:39:08,554 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 11:39:08,737 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:39:08,738 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-16 11:39:08,744 INFO L158 Benchmark]: Toolchain (without parser) took 29801.17ms. Allocated memory was 56.6MB in the beginning and 385.9MB in the end (delta: 329.3MB). Free memory was 34.4MB in the beginning and 160.1MB in the end (delta: -125.6MB). Peak memory consumption was 231.1MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,745 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:39:08,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.90ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 118.88ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 28.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,749 INFO L158 Benchmark]: Boogie Preprocessor took 82.20ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 25.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,750 INFO L158 Benchmark]: RCFGBuilder took 1004.01ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 25.9MB in the beginning and 40.5MB in the end (delta: -14.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,750 INFO L158 Benchmark]: TraceAbstraction took 28005.48ms. Allocated memory was 75.5MB in the beginning and 385.9MB in the end (delta: 310.4MB). Free memory was 39.8MB in the beginning and 160.1MB in the end (delta: -120.3MB). Peak memory consumption was 219.4MB. Max. memory is 16.1GB. [2022-11-16 11:39:08,760 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 56.6MB. Free memory is still 38.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.90ms. Allocated memory is still 56.6MB. Free memory was 34.3MB in the beginning and 32.4MB in the end (delta: 1.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 118.88ms. Allocated memory is still 56.6MB. Free memory was 32.2MB in the beginning and 28.4MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.20ms. Allocated memory is still 56.6MB. Free memory was 28.4MB in the beginning and 25.9MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1004.01ms. Allocated memory was 56.6MB in the beginning and 75.5MB in the end (delta: 18.9MB). Free memory was 25.9MB in the beginning and 40.5MB in the end (delta: -14.6MB). Peak memory consumption was 14.4MB. Max. memory is 16.1GB. * TraceAbstraction took 28005.48ms. Allocated memory was 75.5MB in the beginning and 385.9MB in the end (delta: 310.4MB). Free memory was 39.8MB in the beginning and 160.1MB in the end (delta: -120.3MB). Peak memory consumption was 219.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-16 11:39:08,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c37349e-5dc3-43c8-9ebf-46a69482bb6a/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop