./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8 --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 fc62610a4219624ba1b65e937db0086d4a06c21628bb87b5f81a8591bf53b9b6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:06:32,038 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:06:32,040 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:06:32,059 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:06:32,060 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:06:32,061 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:06:32,062 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:06:32,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:06:32,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:06:32,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:06:32,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:06:32,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:06:32,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:06:32,069 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:06:32,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:06:32,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:06:32,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:06:32,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:06:32,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:06:32,076 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:06:32,078 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:06:32,079 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:06:32,080 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:06:32,081 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:06:32,084 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:06:32,084 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:06:32,085 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:06:32,086 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:06:32,086 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:06:32,087 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:06:32,087 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:06:32,088 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:06:32,089 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:06:32,089 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:06:32,090 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:06:32,090 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:06:32,091 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:06:32,091 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:06:32,091 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:06:32,092 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:06:32,093 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:06:32,094 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:06:32,113 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:06:32,113 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:06:32,113 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:06:32,114 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:06:32,114 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:06:32,114 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:06:32,115 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:06:32,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:06:32,115 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:06:32,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:06:32,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:06:32,116 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:06:32,117 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:06:32,117 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:06:32,117 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:06:32,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:06:32,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:32,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:06:32,118 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:06:32,119 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:06:32,119 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:06:32,119 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc62610a4219624ba1b65e937db0086d4a06c21628bb87b5f81a8591bf53b9b6 [2022-12-13 18:06:32,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:06:32,328 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:06:32,331 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:06:32,332 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:06:32,332 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:06:32,333 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:34,910 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:06:35,118 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:06:35,119 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:35,127 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/a25595afb/1a03d9df72794cb1a4e2c8ca05a9dc0b/FLAG6b19b34c2 [2022-12-13 18:06:35,471 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/a25595afb/1a03d9df72794cb1a4e2c8ca05a9dc0b [2022-12-13 18:06:35,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:06:35,475 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:06:35,476 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:35,477 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:06:35,480 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:06:35,480 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:35,481 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38fe7d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35, skipping insertion in model container [2022-12-13 18:06:35,482 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:35,488 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:06:35,537 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:06:35,646 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-12-13 18:06:35,804 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:35,809 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:06:35,820 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-12-13 18:06:35,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:35,913 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:06:35,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35 WrapperNode [2022-12-13 18:06:35,913 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:35,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:35,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:06:35,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:06:35,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:35,951 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,011 INFO L138 Inliner]: procedures = 11, calls = 5, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 744 [2022-12-13 18:06:36,012 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:36,012 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:06:36,012 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:06:36,012 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:06:36,027 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,073 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,078 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,089 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:06:36,089 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:06:36,089 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:06:36,090 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:06:36,090 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (1/1) ... [2022-12-13 18:06:36,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:36,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:06:36,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:06:36,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:06:36,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:06:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:06:36,141 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 18:06:36,141 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 18:06:36,297 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:06:36,299 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:06:41,478 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:06:41,485 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:06:41,485 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:06:41,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:41 BoogieIcfgContainer [2022-12-13 18:06:41,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:06:41,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:06:41,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:06:41,493 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:06:41,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:06:35" (1/3) ... [2022-12-13 18:06:41,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7051470e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:41, skipping insertion in model container [2022-12-13 18:06:41,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:35" (2/3) ... [2022-12-13 18:06:41,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7051470e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:41, skipping insertion in model container [2022-12-13 18:06:41,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:41" (3/3) ... [2022-12-13 18:06:41,495 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:41,511 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:06:41,511 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:06:41,548 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:06:41,553 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;@5fe82f61, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:06:41,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:06:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:41,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:06:41,562 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:06:41,562 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:41,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:06:41,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:41,566 INFO L85 PathProgramCache]: Analyzing trace with hash -639607165, now seen corresponding path program 1 times [2022-12-13 18:06:41,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:41,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1328005414] [2022-12-13 18:06:41,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:41,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:41,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:41,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-12-13 18:06:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:41,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2022-12-13 18:06:41,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:41,926 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:06:41,927 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 18:06:41,927 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1328005414] [2022-12-13 18:06:41,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1328005414] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:41,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:41,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:41,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158821191] [2022-12-13 18:06:41,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:41,933 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:06:41,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 18:06:41,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:06:41,960 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:06:41,962 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:41,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:06:41,976 INFO L93 Difference]: Finished difference Result 32 states and 43 transitions. [2022-12-13 18:06:41,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:06:41,978 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-12-13 18:06:41,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:06:41,983 INFO L225 Difference]: With dead ends: 32 [2022-12-13 18:06:41,983 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 18:06:41,985 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:06:41,988 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:06:41,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:06:42,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 18:06:42,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 18:06:42,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:42,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 18:06:42,015 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 17 [2022-12-13 18:06:42,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:06:42,016 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 18:06:42,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:42,016 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 18:06:42,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:06:42,017 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:06:42,017 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:42,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:06:42,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:06:42,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:42,018 INFO L85 PathProgramCache]: Analyzing trace with hash -324183425, now seen corresponding path program 1 times [2022-12-13 18:06:42,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:06:42,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [919234893] [2022-12-13 18:06:42,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:42,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:06:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:06:45,910 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:06:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:06:47,392 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:06:47,393 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:06:47,394 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:06:47,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 18:06:47,398 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-13 18:06:47,401 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:06:47,446 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 18:06:47,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:06:47 BoogieIcfgContainer [2022-12-13 18:06:47,465 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:06:47,466 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:06:47,466 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:06:47,466 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:06:47,467 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:41" (3/4) ... [2022-12-13 18:06:47,469 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:06:47,469 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:06:47,470 INFO L158 Benchmark]: Toolchain (without parser) took 11994.51ms. Allocated memory was 153.1MB in the beginning and 557.8MB in the end (delta: 404.8MB). Free memory was 120.3MB in the beginning and 402.6MB in the end (delta: -282.3MB). Peak memory consumption was 125.1MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,470 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:06:47,471 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.24ms. Allocated memory is still 153.1MB. Free memory was 120.3MB in the beginning and 87.1MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,471 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.66ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 78.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,472 INFO L158 Benchmark]: Boogie Preprocessor took 76.42ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 116.4MB in the end (delta: -38.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,472 INFO L158 Benchmark]: RCFGBuilder took 5397.80ms. Allocated memory was 153.1MB in the beginning and 442.5MB in the end (delta: 289.4MB). Free memory was 116.4MB in the beginning and 337.4MB in the end (delta: -220.9MB). Peak memory consumption was 270.5MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,473 INFO L158 Benchmark]: TraceAbstraction took 5976.10ms. Allocated memory was 442.5MB in the beginning and 557.8MB in the end (delta: 115.3MB). Free memory was 336.3MB in the beginning and 403.7MB in the end (delta: -67.4MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,473 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 557.8MB. Free memory was 403.7MB in the beginning and 402.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:06:47,476 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 102.8MB. Free memory is still 51.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.24ms. Allocated memory is still 153.1MB. Free memory was 120.3MB in the beginning and 87.1MB in the end (delta: 33.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.66ms. Allocated memory is still 153.1MB. Free memory was 87.1MB in the beginning and 78.3MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.42ms. Allocated memory is still 153.1MB. Free memory was 77.9MB in the beginning and 116.4MB in the end (delta: -38.5MB). Peak memory consumption was 9.0MB. Max. memory is 16.1GB. * RCFGBuilder took 5397.80ms. Allocated memory was 153.1MB in the beginning and 442.5MB in the end (delta: 289.4MB). Free memory was 116.4MB in the beginning and 337.4MB in the end (delta: -220.9MB). Peak memory consumption was 270.5MB. Max. memory is 16.1GB. * TraceAbstraction took 5976.10ms. Allocated memory was 442.5MB in the beginning and 557.8MB in the end (delta: 115.3MB). Free memory was 336.3MB in the beginning and 403.7MB in the end (delta: -67.4MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 557.8MB. Free memory was 403.7MB in the beginning and 402.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 296, overapproximation of bitwiseAnd at line 287, overapproximation of bitwiseComplement at line 293, overapproximation of bitwiseXor at line 555. 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_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 31); [L29] const SORT_9 msb_SORT_9 = (SORT_9)1 << (31 - 1); [L31] const SORT_11 mask_SORT_11 = (SORT_11)-1 >> (sizeof(SORT_11) * 8 - 32); [L32] const SORT_11 msb_SORT_11 = (SORT_11)1 << (32 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 3); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (3 - 1); [L37] const SORT_15 mask_SORT_15 = (SORT_15)-1 >> (sizeof(SORT_15) * 8 - 4); [L38] const SORT_15 msb_SORT_15 = (SORT_15)1 << (4 - 1); [L40] const SORT_17 mask_SORT_17 = (SORT_17)-1 >> (sizeof(SORT_17) * 8 - 5); [L41] const SORT_17 msb_SORT_17 = (SORT_17)1 << (5 - 1); [L43] const SORT_19 mask_SORT_19 = (SORT_19)-1 >> (sizeof(SORT_19) * 8 - 6); [L44] const SORT_19 msb_SORT_19 = (SORT_19)1 << (6 - 1); [L46] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L47] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L49] const SORT_23 mask_SORT_23 = (SORT_23)-1 >> (sizeof(SORT_23) * 8 - 8); [L50] const SORT_23 msb_SORT_23 = (SORT_23)1 << (8 - 1); [L52] const SORT_25 mask_SORT_25 = (SORT_25)-1 >> (sizeof(SORT_25) * 8 - 9); [L53] const SORT_25 msb_SORT_25 = (SORT_25)1 << (9 - 1); [L55] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 10); [L56] const SORT_27 msb_SORT_27 = (SORT_27)1 << (10 - 1); [L58] const SORT_29 mask_SORT_29 = (SORT_29)-1 >> (sizeof(SORT_29) * 8 - 11); [L59] const SORT_29 msb_SORT_29 = (SORT_29)1 << (11 - 1); [L61] const SORT_31 mask_SORT_31 = (SORT_31)-1 >> (sizeof(SORT_31) * 8 - 12); [L62] const SORT_31 msb_SORT_31 = (SORT_31)1 << (12 - 1); [L64] const SORT_33 mask_SORT_33 = (SORT_33)-1 >> (sizeof(SORT_33) * 8 - 13); [L65] const SORT_33 msb_SORT_33 = (SORT_33)1 << (13 - 1); [L67] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 14); [L68] const SORT_35 msb_SORT_35 = (SORT_35)1 << (14 - 1); [L70] const SORT_37 mask_SORT_37 = (SORT_37)-1 >> (sizeof(SORT_37) * 8 - 15); [L71] const SORT_37 msb_SORT_37 = (SORT_37)1 << (15 - 1); [L73] const SORT_39 mask_SORT_39 = (SORT_39)-1 >> (sizeof(SORT_39) * 8 - 16); [L74] const SORT_39 msb_SORT_39 = (SORT_39)1 << (16 - 1); [L76] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 17); [L77] const SORT_41 msb_SORT_41 = (SORT_41)1 << (17 - 1); [L79] const SORT_43 mask_SORT_43 = (SORT_43)-1 >> (sizeof(SORT_43) * 8 - 18); [L80] const SORT_43 msb_SORT_43 = (SORT_43)1 << (18 - 1); [L82] const SORT_45 mask_SORT_45 = (SORT_45)-1 >> (sizeof(SORT_45) * 8 - 19); [L83] const SORT_45 msb_SORT_45 = (SORT_45)1 << (19 - 1); [L85] const SORT_47 mask_SORT_47 = (SORT_47)-1 >> (sizeof(SORT_47) * 8 - 20); [L86] const SORT_47 msb_SORT_47 = (SORT_47)1 << (20 - 1); [L88] const SORT_49 mask_SORT_49 = (SORT_49)-1 >> (sizeof(SORT_49) * 8 - 21); [L89] const SORT_49 msb_SORT_49 = (SORT_49)1 << (21 - 1); [L91] const SORT_51 mask_SORT_51 = (SORT_51)-1 >> (sizeof(SORT_51) * 8 - 22); [L92] const SORT_51 msb_SORT_51 = (SORT_51)1 << (22 - 1); [L94] const SORT_53 mask_SORT_53 = (SORT_53)-1 >> (sizeof(SORT_53) * 8 - 23); [L95] const SORT_53 msb_SORT_53 = (SORT_53)1 << (23 - 1); [L97] const SORT_55 mask_SORT_55 = (SORT_55)-1 >> (sizeof(SORT_55) * 8 - 24); [L98] const SORT_55 msb_SORT_55 = (SORT_55)1 << (24 - 1); [L100] const SORT_57 mask_SORT_57 = (SORT_57)-1 >> (sizeof(SORT_57) * 8 - 25); [L101] const SORT_57 msb_SORT_57 = (SORT_57)1 << (25 - 1); [L103] const SORT_59 mask_SORT_59 = (SORT_59)-1 >> (sizeof(SORT_59) * 8 - 26); [L104] const SORT_59 msb_SORT_59 = (SORT_59)1 << (26 - 1); [L106] const SORT_61 mask_SORT_61 = (SORT_61)-1 >> (sizeof(SORT_61) * 8 - 27); [L107] const SORT_61 msb_SORT_61 = (SORT_61)1 << (27 - 1); [L109] const SORT_63 mask_SORT_63 = (SORT_63)-1 >> (sizeof(SORT_63) * 8 - 28); [L110] const SORT_63 msb_SORT_63 = (SORT_63)1 << (28 - 1); [L112] const SORT_65 mask_SORT_65 = (SORT_65)-1 >> (sizeof(SORT_65) * 8 - 29); [L113] const SORT_65 msb_SORT_65 = (SORT_65)1 << (29 - 1); [L115] const SORT_67 mask_SORT_67 = (SORT_67)-1 >> (sizeof(SORT_67) * 8 - 30); [L116] const SORT_67 msb_SORT_67 = (SORT_67)1 << (30 - 1); [L118] const SORT_156 mask_SORT_156 = (SORT_156)-1 >> (sizeof(SORT_156) * 8 - 64); [L119] const SORT_156 msb_SORT_156 = (SORT_156)1 << (64 - 1); [L121] const SORT_157 mask_SORT_157 = (SORT_157)-1 >> (sizeof(SORT_157) * 8 - 34); [L122] const SORT_157 msb_SORT_157 = (SORT_157)1 << (34 - 1); [L124] const SORT_158 mask_SORT_158 = (SORT_158)-1 >> (sizeof(SORT_158) * 8 - 2); [L125] const SORT_158 msb_SORT_158 = (SORT_158)1 << (2 - 1); [L127] const SORT_166 mask_SORT_166 = (SORT_166)-1 >> (sizeof(SORT_166) * 8 - 35); [L128] const SORT_166 msb_SORT_166 = (SORT_166)1 << (35 - 1); [L130] const SORT_169 mask_SORT_169 = (SORT_169)-1 >> (sizeof(SORT_169) * 8 - 36); [L131] const SORT_169 msb_SORT_169 = (SORT_169)1 << (36 - 1); [L133] const SORT_172 mask_SORT_172 = (SORT_172)-1 >> (sizeof(SORT_172) * 8 - 37); [L134] const SORT_172 msb_SORT_172 = (SORT_172)1 << (37 - 1); [L136] const SORT_175 mask_SORT_175 = (SORT_175)-1 >> (sizeof(SORT_175) * 8 - 38); [L137] const SORT_175 msb_SORT_175 = (SORT_175)1 << (38 - 1); [L139] const SORT_178 mask_SORT_178 = (SORT_178)-1 >> (sizeof(SORT_178) * 8 - 39); [L140] const SORT_178 msb_SORT_178 = (SORT_178)1 << (39 - 1); [L142] const SORT_181 mask_SORT_181 = (SORT_181)-1 >> (sizeof(SORT_181) * 8 - 40); [L143] const SORT_181 msb_SORT_181 = (SORT_181)1 << (40 - 1); [L145] const SORT_184 mask_SORT_184 = (SORT_184)-1 >> (sizeof(SORT_184) * 8 - 41); [L146] const SORT_184 msb_SORT_184 = (SORT_184)1 << (41 - 1); [L148] const SORT_187 mask_SORT_187 = (SORT_187)-1 >> (sizeof(SORT_187) * 8 - 42); [L149] const SORT_187 msb_SORT_187 = (SORT_187)1 << (42 - 1); [L151] const SORT_190 mask_SORT_190 = (SORT_190)-1 >> (sizeof(SORT_190) * 8 - 43); [L152] const SORT_190 msb_SORT_190 = (SORT_190)1 << (43 - 1); [L154] const SORT_193 mask_SORT_193 = (SORT_193)-1 >> (sizeof(SORT_193) * 8 - 44); [L155] const SORT_193 msb_SORT_193 = (SORT_193)1 << (44 - 1); [L157] const SORT_196 mask_SORT_196 = (SORT_196)-1 >> (sizeof(SORT_196) * 8 - 45); [L158] const SORT_196 msb_SORT_196 = (SORT_196)1 << (45 - 1); [L160] const SORT_199 mask_SORT_199 = (SORT_199)-1 >> (sizeof(SORT_199) * 8 - 46); [L161] const SORT_199 msb_SORT_199 = (SORT_199)1 << (46 - 1); [L163] const SORT_202 mask_SORT_202 = (SORT_202)-1 >> (sizeof(SORT_202) * 8 - 47); [L164] const SORT_202 msb_SORT_202 = (SORT_202)1 << (47 - 1); [L166] const SORT_205 mask_SORT_205 = (SORT_205)-1 >> (sizeof(SORT_205) * 8 - 48); [L167] const SORT_205 msb_SORT_205 = (SORT_205)1 << (48 - 1); [L169] const SORT_208 mask_SORT_208 = (SORT_208)-1 >> (sizeof(SORT_208) * 8 - 49); [L170] const SORT_208 msb_SORT_208 = (SORT_208)1 << (49 - 1); [L172] const SORT_211 mask_SORT_211 = (SORT_211)-1 >> (sizeof(SORT_211) * 8 - 50); [L173] const SORT_211 msb_SORT_211 = (SORT_211)1 << (50 - 1); [L175] const SORT_214 mask_SORT_214 = (SORT_214)-1 >> (sizeof(SORT_214) * 8 - 51); [L176] const SORT_214 msb_SORT_214 = (SORT_214)1 << (51 - 1); [L178] const SORT_217 mask_SORT_217 = (SORT_217)-1 >> (sizeof(SORT_217) * 8 - 52); [L179] const SORT_217 msb_SORT_217 = (SORT_217)1 << (52 - 1); [L181] const SORT_220 mask_SORT_220 = (SORT_220)-1 >> (sizeof(SORT_220) * 8 - 53); [L182] const SORT_220 msb_SORT_220 = (SORT_220)1 << (53 - 1); [L184] const SORT_223 mask_SORT_223 = (SORT_223)-1 >> (sizeof(SORT_223) * 8 - 54); [L185] const SORT_223 msb_SORT_223 = (SORT_223)1 << (54 - 1); [L187] const SORT_226 mask_SORT_226 = (SORT_226)-1 >> (sizeof(SORT_226) * 8 - 55); [L188] const SORT_226 msb_SORT_226 = (SORT_226)1 << (55 - 1); [L190] const SORT_229 mask_SORT_229 = (SORT_229)-1 >> (sizeof(SORT_229) * 8 - 56); [L191] const SORT_229 msb_SORT_229 = (SORT_229)1 << (56 - 1); [L193] const SORT_232 mask_SORT_232 = (SORT_232)-1 >> (sizeof(SORT_232) * 8 - 57); [L194] const SORT_232 msb_SORT_232 = (SORT_232)1 << (57 - 1); [L196] const SORT_235 mask_SORT_235 = (SORT_235)-1 >> (sizeof(SORT_235) * 8 - 58); [L197] const SORT_235 msb_SORT_235 = (SORT_235)1 << (58 - 1); [L199] const SORT_238 mask_SORT_238 = (SORT_238)-1 >> (sizeof(SORT_238) * 8 - 59); [L200] const SORT_238 msb_SORT_238 = (SORT_238)1 << (59 - 1); [L202] const SORT_241 mask_SORT_241 = (SORT_241)-1 >> (sizeof(SORT_241) * 8 - 60); [L203] const SORT_241 msb_SORT_241 = (SORT_241)1 << (60 - 1); [L205] const SORT_244 mask_SORT_244 = (SORT_244)-1 >> (sizeof(SORT_244) * 8 - 61); [L206] const SORT_244 msb_SORT_244 = (SORT_244)1 << (61 - 1); [L208] const SORT_247 mask_SORT_247 = (SORT_247)-1 >> (sizeof(SORT_247) * 8 - 62); [L209] const SORT_247 msb_SORT_247 = (SORT_247)1 << (62 - 1); [L211] const SORT_250 mask_SORT_250 = (SORT_250)-1 >> (sizeof(SORT_250) * 8 - 63); [L212] const SORT_250 msb_SORT_250 = (SORT_250)1 << (63 - 1); [L214] const SORT_1 var_7 = 0; [L215] const SORT_1 var_8 = 1; [L216] const SORT_9 var_10 = 0; [L217] const SORT_12 var_13 = 4; [L218] const SORT_15 var_71 = 8; [L219] const SORT_12 var_117 = 5; [L220] const SORT_39 var_119 = 0; [L221] const SORT_11 var_153 = 64; [L222] const SORT_158 var_159 = 1; [L223] const SORT_23 var_255 = 127; [L224] const SORT_11 var_288 = 1; [L225] const SORT_11 var_290 = 127; [L226] const SORT_12 var_371 = 6; [L227] const SORT_15 var_375 = 9; [L228] const SORT_21 var_393 = 64; [L229] const SORT_12 var_406 = 0; [L230] const SORT_15 var_409 = 0; [L232] SORT_1 input_2; [L233] SORT_1 input_3; [L234] SORT_1 input_4; [L236] SORT_1 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L237] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L238] SORT_11 state_103 = __VERIFIER_nondet_uint() & mask_SORT_11; [L239] SORT_1 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L240] SORT_39 state_120 = __VERIFIER_nondet_ushort() & mask_SORT_39; [L241] SORT_15 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L242] SORT_15 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_15; [L243] SORT_11 state_147 = __VERIFIER_nondet_uint() & mask_SORT_11; [L244] SORT_1 state_259 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L246] SORT_39 init_121_arg_1 = var_119; [L247] state_120 = init_121_arg_1 VAL [init_121_arg_1=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_156=18446744073709551615, mask_SORT_157=18446744073709551615, mask_SORT_158=3, mask_SORT_166=18446744073709551615, mask_SORT_169=18446744073709551615, mask_SORT_17=31, mask_SORT_172=18446744073709551615, mask_SORT_175=18446744073709551615, mask_SORT_178=18446744073709551615, mask_SORT_181=18446744073709551615, mask_SORT_184=18446744073709551615, mask_SORT_187=18446744073709551615, mask_SORT_19=63, mask_SORT_190=18446744073709551615, mask_SORT_193=18446744073709551615, mask_SORT_196=18446744073709551615, mask_SORT_199=18446744073709551615, mask_SORT_202=18446744073709551615, mask_SORT_205=18446744073709551615, mask_SORT_208=18446744073709551615, mask_SORT_21=127, mask_SORT_211=18446744073709551615, mask_SORT_214=18446744073709551615, mask_SORT_217=18446744073709551615, mask_SORT_220=18446744073709551615, mask_SORT_223=18446744073709551615, mask_SORT_226=18446744073709551615, mask_SORT_229=18446744073709551615, mask_SORT_23=255, mask_SORT_232=18446744073709551615, mask_SORT_235=18446744073709551615, mask_SORT_238=18446744073709551615, mask_SORT_241=18446744073709551615, mask_SORT_244=18446744073709551615, mask_SORT_247=18446744073709551615, mask_SORT_25=511, mask_SORT_250=18446744073709551615, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_39=65535, mask_SORT_41=4294967295, mask_SORT_43=4294967295, mask_SORT_45=4294967295, mask_SORT_47=4294967295, mask_SORT_49=4294967295, mask_SORT_51=4294967295, mask_SORT_53=4294967295, mask_SORT_55=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_61=4294967295, mask_SORT_63=4294967295, mask_SORT_65=4294967295, mask_SORT_67=4294967295, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_156=9223372036854775808, msb_SORT_157=8589934592, msb_SORT_158=2, msb_SORT_166=17179869184, msb_SORT_169=34359738368, msb_SORT_17=16, msb_SORT_172=68719476736, msb_SORT_175=137438953472, msb_SORT_178=274877906944, msb_SORT_181=549755813888, msb_SORT_184=1099511627776, msb_SORT_187=2199023255552, msb_SORT_19=32, msb_SORT_190=4398046511104, msb_SORT_193=8796093022208, msb_SORT_196=17592186044416, msb_SORT_199=35184372088832, msb_SORT_202=70368744177664, msb_SORT_205=140737488355328, msb_SORT_208=281474976710656, msb_SORT_21=64, msb_SORT_211=562949953421312, msb_SORT_214=1125899906842624, msb_SORT_217=2251799813685248, msb_SORT_220=4503599627370496, msb_SORT_223=9007199254740992, msb_SORT_226=18014398509481984, msb_SORT_229=36028797018963968, msb_SORT_23=128, msb_SORT_232=72057594037927936, msb_SORT_235=144115188075855872, msb_SORT_238=288230376151711744, msb_SORT_241=576460752303423488, msb_SORT_244=1152921504606846976, msb_SORT_247=2305843009213693952, msb_SORT_25=256, msb_SORT_250=4611686018427387904, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_39=32768, msb_SORT_41=65536, msb_SORT_43=131072, msb_SORT_45=262144, msb_SORT_47=524288, msb_SORT_49=1048576, msb_SORT_51=2097152, msb_SORT_53=4194304, msb_SORT_55=8388608, msb_SORT_57=16777216, msb_SORT_59=33554432, msb_SORT_61=67108864, msb_SORT_63=134217728, msb_SORT_65=268435456, msb_SORT_67=536870912, msb_SORT_9=1073741824, state_103=4294967295, state_105=0, state_120=0, state_140=0, state_143=0, state_147=0, state_259=3, state_5=253, state_72=1, var_10=0, var_117=5, var_119=0, var_13=4, var_153=64, var_159=1, var_255=127, var_288=1, var_290=127, var_371=6, var_375=9, var_393=64, var_406=0, var_409=0, var_7=0, var_71=8, var_8=1] [L250] input_2 = __VERIFIER_nondet_uchar() [L251] input_3 = __VERIFIER_nondet_uchar() [L252] input_3 = input_3 & mask_SORT_1 [L253] input_4 = __VERIFIER_nondet_uchar() [L254] input_4 = input_4 & mask_SORT_1 [L256] SORT_1 var_128_arg_0 = state_5; [L257] SORT_1 var_128 = ~var_128_arg_0; [L258] SORT_1 var_129_arg_0 = var_128; [L259] SORT_1 var_129 = ~var_129_arg_0; [L260] SORT_1 var_130_arg_0 = state_5; [L261] SORT_1 var_130_arg_1 = var_129; [L262] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L263] var_130 = var_130 & mask_SORT_1 [L264] SORT_1 constr_131_arg_0 = var_130; VAL [constr_131_arg_0=253, init_121_arg_1=0, input_2=2, input_3=1, input_4=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_156=18446744073709551615, mask_SORT_157=18446744073709551615, mask_SORT_158=3, mask_SORT_166=18446744073709551615, mask_SORT_169=18446744073709551615, mask_SORT_17=31, mask_SORT_172=18446744073709551615, mask_SORT_175=18446744073709551615, mask_SORT_178=18446744073709551615, mask_SORT_181=18446744073709551615, mask_SORT_184=18446744073709551615, mask_SORT_187=18446744073709551615, mask_SORT_19=63, mask_SORT_190=18446744073709551615, mask_SORT_193=18446744073709551615, mask_SORT_196=18446744073709551615, mask_SORT_199=18446744073709551615, mask_SORT_202=18446744073709551615, mask_SORT_205=18446744073709551615, mask_SORT_208=18446744073709551615, mask_SORT_21=127, mask_SORT_211=18446744073709551615, mask_SORT_214=18446744073709551615, mask_SORT_217=18446744073709551615, mask_SORT_220=18446744073709551615, mask_SORT_223=18446744073709551615, mask_SORT_226=18446744073709551615, mask_SORT_229=18446744073709551615, mask_SORT_23=255, mask_SORT_232=18446744073709551615, mask_SORT_235=18446744073709551615, mask_SORT_238=18446744073709551615, mask_SORT_241=18446744073709551615, mask_SORT_244=18446744073709551615, mask_SORT_247=18446744073709551615, mask_SORT_25=511, mask_SORT_250=18446744073709551615, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_39=65535, mask_SORT_41=4294967295, mask_SORT_43=4294967295, mask_SORT_45=4294967295, mask_SORT_47=4294967295, mask_SORT_49=4294967295, mask_SORT_51=4294967295, mask_SORT_53=4294967295, mask_SORT_55=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_61=4294967295, mask_SORT_63=4294967295, mask_SORT_65=4294967295, mask_SORT_67=4294967295, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_156=9223372036854775808, msb_SORT_157=8589934592, msb_SORT_158=2, msb_SORT_166=17179869184, msb_SORT_169=34359738368, msb_SORT_17=16, msb_SORT_172=68719476736, msb_SORT_175=137438953472, msb_SORT_178=274877906944, msb_SORT_181=549755813888, msb_SORT_184=1099511627776, msb_SORT_187=2199023255552, msb_SORT_19=32, msb_SORT_190=4398046511104, msb_SORT_193=8796093022208, msb_SORT_196=17592186044416, msb_SORT_199=35184372088832, msb_SORT_202=70368744177664, msb_SORT_205=140737488355328, msb_SORT_208=281474976710656, msb_SORT_21=64, msb_SORT_211=562949953421312, msb_SORT_214=1125899906842624, msb_SORT_217=2251799813685248, msb_SORT_220=4503599627370496, msb_SORT_223=9007199254740992, msb_SORT_226=18014398509481984, msb_SORT_229=36028797018963968, msb_SORT_23=128, msb_SORT_232=72057594037927936, msb_SORT_235=144115188075855872, msb_SORT_238=288230376151711744, msb_SORT_241=576460752303423488, msb_SORT_244=1152921504606846976, msb_SORT_247=2305843009213693952, msb_SORT_25=256, msb_SORT_250=4611686018427387904, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_39=32768, msb_SORT_41=65536, msb_SORT_43=131072, msb_SORT_45=262144, msb_SORT_47=524288, msb_SORT_49=1048576, msb_SORT_51=2097152, msb_SORT_53=4194304, msb_SORT_55=8388608, msb_SORT_57=16777216, msb_SORT_59=33554432, msb_SORT_61=67108864, msb_SORT_63=134217728, msb_SORT_65=268435456, msb_SORT_67=536870912, msb_SORT_9=1073741824, state_103=4294967295, state_105=0, state_120=0, state_140=0, state_143=0, state_147=0, state_259=3, state_5=253, state_72=1, var_10=0, var_117=5, var_119=0, var_128=1, var_128_arg_0=253, var_129=253, var_129_arg_0=1, var_13=4, var_130=253, var_130_arg_0=253, var_130_arg_1=253, var_153=64, var_159=1, var_255=127, var_288=1, var_290=127, var_371=6, var_375=9, var_393=64, var_406=0, var_409=0, var_7=0, var_71=8, var_8=1] [L265] CALL assume_abort_if_not(constr_131_arg_0) VAL [\old(cond)=253] [L21] COND FALSE !(!cond) VAL [\old(cond)=253, cond=253] [L265] RET assume_abort_if_not(constr_131_arg_0) VAL [constr_131_arg_0=253, init_121_arg_1=0, input_2=2, input_3=1, input_4=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_156=18446744073709551615, mask_SORT_157=18446744073709551615, mask_SORT_158=3, mask_SORT_166=18446744073709551615, mask_SORT_169=18446744073709551615, mask_SORT_17=31, mask_SORT_172=18446744073709551615, mask_SORT_175=18446744073709551615, mask_SORT_178=18446744073709551615, mask_SORT_181=18446744073709551615, mask_SORT_184=18446744073709551615, mask_SORT_187=18446744073709551615, mask_SORT_19=63, mask_SORT_190=18446744073709551615, mask_SORT_193=18446744073709551615, mask_SORT_196=18446744073709551615, mask_SORT_199=18446744073709551615, mask_SORT_202=18446744073709551615, mask_SORT_205=18446744073709551615, mask_SORT_208=18446744073709551615, mask_SORT_21=127, mask_SORT_211=18446744073709551615, mask_SORT_214=18446744073709551615, mask_SORT_217=18446744073709551615, mask_SORT_220=18446744073709551615, mask_SORT_223=18446744073709551615, mask_SORT_226=18446744073709551615, mask_SORT_229=18446744073709551615, mask_SORT_23=255, mask_SORT_232=18446744073709551615, mask_SORT_235=18446744073709551615, mask_SORT_238=18446744073709551615, mask_SORT_241=18446744073709551615, mask_SORT_244=18446744073709551615, mask_SORT_247=18446744073709551615, mask_SORT_25=511, mask_SORT_250=18446744073709551615, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_39=65535, mask_SORT_41=4294967295, mask_SORT_43=4294967295, mask_SORT_45=4294967295, mask_SORT_47=4294967295, mask_SORT_49=4294967295, mask_SORT_51=4294967295, mask_SORT_53=4294967295, mask_SORT_55=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_61=4294967295, mask_SORT_63=4294967295, mask_SORT_65=4294967295, mask_SORT_67=4294967295, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_156=9223372036854775808, msb_SORT_157=8589934592, msb_SORT_158=2, msb_SORT_166=17179869184, msb_SORT_169=34359738368, msb_SORT_17=16, msb_SORT_172=68719476736, msb_SORT_175=137438953472, msb_SORT_178=274877906944, msb_SORT_181=549755813888, msb_SORT_184=1099511627776, msb_SORT_187=2199023255552, msb_SORT_19=32, msb_SORT_190=4398046511104, msb_SORT_193=8796093022208, msb_SORT_196=17592186044416, msb_SORT_199=35184372088832, msb_SORT_202=70368744177664, msb_SORT_205=140737488355328, msb_SORT_208=281474976710656, msb_SORT_21=64, msb_SORT_211=562949953421312, msb_SORT_214=1125899906842624, msb_SORT_217=2251799813685248, msb_SORT_220=4503599627370496, msb_SORT_223=9007199254740992, msb_SORT_226=18014398509481984, msb_SORT_229=36028797018963968, msb_SORT_23=128, msb_SORT_232=72057594037927936, msb_SORT_235=144115188075855872, msb_SORT_238=288230376151711744, msb_SORT_241=576460752303423488, msb_SORT_244=1152921504606846976, msb_SORT_247=2305843009213693952, msb_SORT_25=256, msb_SORT_250=4611686018427387904, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_39=32768, msb_SORT_41=65536, msb_SORT_43=131072, msb_SORT_45=262144, msb_SORT_47=524288, msb_SORT_49=1048576, msb_SORT_51=2097152, msb_SORT_53=4194304, msb_SORT_55=8388608, msb_SORT_57=16777216, msb_SORT_59=33554432, msb_SORT_61=67108864, msb_SORT_63=134217728, msb_SORT_65=268435456, msb_SORT_67=536870912, msb_SORT_9=1073741824, state_103=4294967295, state_105=0, state_120=0, state_140=0, state_143=0, state_147=0, state_259=3, state_5=253, state_72=1, var_10=0, var_117=5, var_119=0, var_128=1, var_128_arg_0=253, var_129=253, var_129_arg_0=1, var_13=4, var_130=253, var_130_arg_0=253, var_130_arg_1=253, var_153=64, var_159=1, var_255=127, var_288=1, var_290=127, var_371=6, var_375=9, var_393=64, var_406=0, var_409=0, var_7=0, var_71=8, var_8=1] [L266] SORT_1 var_132_arg_0 = var_8; [L267] var_132_arg_0 = var_132_arg_0 & mask_SORT_1 [L268] SORT_39 var_132 = var_132_arg_0; [L269] SORT_39 var_133_arg_0 = state_120; [L270] SORT_39 var_133_arg_1 = var_132; [L271] SORT_1 var_133 = var_133_arg_0 <= var_133_arg_1; [L272] SORT_1 var_134_arg_0 = input_4; [L273] SORT_1 var_134_arg_1 = var_133; [L274] SORT_1 var_134 = var_134_arg_0 ^ var_134_arg_1; [L275] SORT_1 var_135_arg_0 = var_134; [L276] SORT_1 var_135 = ~var_135_arg_0; [L277] SORT_1 var_136_arg_0 = var_134; [L278] SORT_1 var_136 = ~var_136_arg_0; [L279] SORT_1 var_137_arg_0 = var_135; [L280] SORT_1 var_137_arg_1 = var_136; [L281] SORT_1 var_137 = var_137_arg_0 | var_137_arg_1; [L282] var_137 = var_137 & mask_SORT_1 [L283] SORT_1 constr_138_arg_0 = var_137; VAL [constr_131_arg_0=253, constr_138_arg_0=1, init_121_arg_1=0, input_2=2, input_3=1, input_4=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_156=18446744073709551615, mask_SORT_157=18446744073709551615, mask_SORT_158=3, mask_SORT_166=18446744073709551615, mask_SORT_169=18446744073709551615, mask_SORT_17=31, mask_SORT_172=18446744073709551615, mask_SORT_175=18446744073709551615, mask_SORT_178=18446744073709551615, mask_SORT_181=18446744073709551615, mask_SORT_184=18446744073709551615, mask_SORT_187=18446744073709551615, mask_SORT_19=63, mask_SORT_190=18446744073709551615, mask_SORT_193=18446744073709551615, mask_SORT_196=18446744073709551615, mask_SORT_199=18446744073709551615, mask_SORT_202=18446744073709551615, mask_SORT_205=18446744073709551615, mask_SORT_208=18446744073709551615, mask_SORT_21=127, mask_SORT_211=18446744073709551615, mask_SORT_214=18446744073709551615, mask_SORT_217=18446744073709551615, mask_SORT_220=18446744073709551615, mask_SORT_223=18446744073709551615, mask_SORT_226=18446744073709551615, mask_SORT_229=18446744073709551615, mask_SORT_23=255, mask_SORT_232=18446744073709551615, mask_SORT_235=18446744073709551615, mask_SORT_238=18446744073709551615, mask_SORT_241=18446744073709551615, mask_SORT_244=18446744073709551615, mask_SORT_247=18446744073709551615, mask_SORT_25=511, mask_SORT_250=18446744073709551615, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_39=65535, mask_SORT_41=4294967295, mask_SORT_43=4294967295, mask_SORT_45=4294967295, mask_SORT_47=4294967295, mask_SORT_49=4294967295, mask_SORT_51=4294967295, mask_SORT_53=4294967295, mask_SORT_55=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_61=4294967295, mask_SORT_63=4294967295, mask_SORT_65=4294967295, mask_SORT_67=4294967295, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_156=9223372036854775808, msb_SORT_157=8589934592, msb_SORT_158=2, msb_SORT_166=17179869184, msb_SORT_169=34359738368, msb_SORT_17=16, msb_SORT_172=68719476736, msb_SORT_175=137438953472, msb_SORT_178=274877906944, msb_SORT_181=549755813888, msb_SORT_184=1099511627776, msb_SORT_187=2199023255552, msb_SORT_19=32, msb_SORT_190=4398046511104, msb_SORT_193=8796093022208, msb_SORT_196=17592186044416, msb_SORT_199=35184372088832, msb_SORT_202=70368744177664, msb_SORT_205=140737488355328, msb_SORT_208=281474976710656, msb_SORT_21=64, msb_SORT_211=562949953421312, msb_SORT_214=1125899906842624, msb_SORT_217=2251799813685248, msb_SORT_220=4503599627370496, msb_SORT_223=9007199254740992, msb_SORT_226=18014398509481984, msb_SORT_229=36028797018963968, msb_SORT_23=128, msb_SORT_232=72057594037927936, msb_SORT_235=144115188075855872, msb_SORT_238=288230376151711744, msb_SORT_241=576460752303423488, msb_SORT_244=1152921504606846976, msb_SORT_247=2305843009213693952, msb_SORT_25=256, msb_SORT_250=4611686018427387904, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_39=32768, msb_SORT_41=65536, msb_SORT_43=131072, msb_SORT_45=262144, msb_SORT_47=524288, msb_SORT_49=1048576, msb_SORT_51=2097152, msb_SORT_53=4194304, msb_SORT_55=8388608, msb_SORT_57=16777216, msb_SORT_59=33554432, msb_SORT_61=67108864, msb_SORT_63=134217728, msb_SORT_65=268435456, msb_SORT_67=536870912, msb_SORT_9=1073741824, state_103=4294967295, state_105=0, state_120=0, state_140=0, state_143=0, state_147=0, state_259=3, state_5=253, state_72=1, var_10=0, var_117=5, var_119=0, var_128=1, var_128_arg_0=253, var_129=253, var_129_arg_0=1, var_13=4, var_130=253, var_130_arg_0=253, var_130_arg_1=253, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=0, var_133_arg_1=1, var_134=1, var_134_arg_0=0, var_134_arg_1=1, var_135=255, var_135_arg_0=1, var_136=7, var_136_arg_0=1, var_137=1, var_137_arg_0=255, var_137_arg_1=7, var_153=64, var_159=1, var_255=127, var_288=1, var_290=127, var_371=6, var_375=9, var_393=64, var_406=0, var_409=0, var_7=0, var_71=8, var_8=1] [L284] CALL assume_abort_if_not(constr_138_arg_0) VAL [\old(cond)=1] [L21] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1] [L284] RET assume_abort_if_not(constr_138_arg_0) VAL [constr_131_arg_0=253, constr_138_arg_0=1, init_121_arg_1=0, input_2=2, input_3=1, input_4=0, mask_SORT_1=1, mask_SORT_11=4294967295, mask_SORT_12=7, mask_SORT_15=15, mask_SORT_156=18446744073709551615, mask_SORT_157=18446744073709551615, mask_SORT_158=3, mask_SORT_166=18446744073709551615, mask_SORT_169=18446744073709551615, mask_SORT_17=31, mask_SORT_172=18446744073709551615, mask_SORT_175=18446744073709551615, mask_SORT_178=18446744073709551615, mask_SORT_181=18446744073709551615, mask_SORT_184=18446744073709551615, mask_SORT_187=18446744073709551615, mask_SORT_19=63, mask_SORT_190=18446744073709551615, mask_SORT_193=18446744073709551615, mask_SORT_196=18446744073709551615, mask_SORT_199=18446744073709551615, mask_SORT_202=18446744073709551615, mask_SORT_205=18446744073709551615, mask_SORT_208=18446744073709551615, mask_SORT_21=127, mask_SORT_211=18446744073709551615, mask_SORT_214=18446744073709551615, mask_SORT_217=18446744073709551615, mask_SORT_220=18446744073709551615, mask_SORT_223=18446744073709551615, mask_SORT_226=18446744073709551615, mask_SORT_229=18446744073709551615, mask_SORT_23=255, mask_SORT_232=18446744073709551615, mask_SORT_235=18446744073709551615, mask_SORT_238=18446744073709551615, mask_SORT_241=18446744073709551615, mask_SORT_244=18446744073709551615, mask_SORT_247=18446744073709551615, mask_SORT_25=511, mask_SORT_250=18446744073709551615, mask_SORT_27=1023, mask_SORT_29=2047, mask_SORT_31=4095, mask_SORT_33=8191, mask_SORT_35=16383, mask_SORT_37=32767, mask_SORT_39=65535, mask_SORT_41=4294967295, mask_SORT_43=4294967295, mask_SORT_45=4294967295, mask_SORT_47=4294967295, mask_SORT_49=4294967295, mask_SORT_51=4294967295, mask_SORT_53=4294967295, mask_SORT_55=4294967295, mask_SORT_57=4294967295, mask_SORT_59=4294967295, mask_SORT_61=4294967295, mask_SORT_63=4294967295, mask_SORT_65=4294967295, mask_SORT_67=4294967295, mask_SORT_9=4294967295, msb_SORT_1=1, msb_SORT_11=2147483648, msb_SORT_12=4, msb_SORT_15=8, msb_SORT_156=9223372036854775808, msb_SORT_157=8589934592, msb_SORT_158=2, msb_SORT_166=17179869184, msb_SORT_169=34359738368, msb_SORT_17=16, msb_SORT_172=68719476736, msb_SORT_175=137438953472, msb_SORT_178=274877906944, msb_SORT_181=549755813888, msb_SORT_184=1099511627776, msb_SORT_187=2199023255552, msb_SORT_19=32, msb_SORT_190=4398046511104, msb_SORT_193=8796093022208, msb_SORT_196=17592186044416, msb_SORT_199=35184372088832, msb_SORT_202=70368744177664, msb_SORT_205=140737488355328, msb_SORT_208=281474976710656, msb_SORT_21=64, msb_SORT_211=562949953421312, msb_SORT_214=1125899906842624, msb_SORT_217=2251799813685248, msb_SORT_220=4503599627370496, msb_SORT_223=9007199254740992, msb_SORT_226=18014398509481984, msb_SORT_229=36028797018963968, msb_SORT_23=128, msb_SORT_232=72057594037927936, msb_SORT_235=144115188075855872, msb_SORT_238=288230376151711744, msb_SORT_241=576460752303423488, msb_SORT_244=1152921504606846976, msb_SORT_247=2305843009213693952, msb_SORT_25=256, msb_SORT_250=4611686018427387904, msb_SORT_27=512, msb_SORT_29=1024, msb_SORT_31=2048, msb_SORT_33=4096, msb_SORT_35=8192, msb_SORT_37=16384, msb_SORT_39=32768, msb_SORT_41=65536, msb_SORT_43=131072, msb_SORT_45=262144, msb_SORT_47=524288, msb_SORT_49=1048576, msb_SORT_51=2097152, msb_SORT_53=4194304, msb_SORT_55=8388608, msb_SORT_57=16777216, msb_SORT_59=33554432, msb_SORT_61=67108864, msb_SORT_63=134217728, msb_SORT_65=268435456, msb_SORT_67=536870912, msb_SORT_9=1073741824, state_103=4294967295, state_105=0, state_120=0, state_140=0, state_143=0, state_147=0, state_259=3, state_5=253, state_72=1, var_10=0, var_117=5, var_119=0, var_128=1, var_128_arg_0=253, var_129=253, var_129_arg_0=1, var_13=4, var_130=253, var_130_arg_0=253, var_130_arg_1=253, var_132=1, var_132_arg_0=1, var_133=1, var_133_arg_0=0, var_133_arg_1=1, var_134=1, var_134_arg_0=0, var_134_arg_1=1, var_135=255, var_135_arg_0=1, var_136=7, var_136_arg_0=1, var_137=1, var_137_arg_0=255, var_137_arg_1=7, var_153=64, var_159=1, var_255=127, var_288=1, var_290=127, var_371=6, var_375=9, var_393=64, var_406=0, var_409=0, var_7=0, var_71=8, var_8=1] [L286] SORT_12 var_118_arg_0 = var_117; [L287] var_118_arg_0 = var_118_arg_0 & mask_SORT_12 [L288] SORT_39 var_118 = var_118_arg_0; [L289] SORT_39 var_122_arg_0 = var_118; [L290] SORT_39 var_122_arg_1 = state_120; [L291] SORT_1 var_122 = var_122_arg_0 < var_122_arg_1; [L292] SORT_1 var_14_arg_0 = input_3; [L293] SORT_1 var_14 = ~var_14_arg_0; [L294] SORT_1 var_16_arg_0 = var_14; [L295] SORT_12 var_16_arg_1 = var_13; [L296] SORT_15 var_16 = ((SORT_15)var_16_arg_0 << 3) | var_16_arg_1; [L297] var_16 = var_16 & mask_SORT_15 [L298] SORT_1 var_18_arg_0 = input_3; [L299] SORT_15 var_18_arg_1 = var_16; [L300] SORT_17 var_18 = ((SORT_17)var_18_arg_0 << 4) | var_18_arg_1; [L301] var_18 = var_18 & mask_SORT_17 [L302] SORT_1 var_20_arg_0 = input_3; [L303] SORT_17 var_20_arg_1 = var_18; [L304] SORT_19 var_20 = ((SORT_19)var_20_arg_0 << 5) | var_20_arg_1; [L305] var_20 = var_20 & mask_SORT_19 [L306] SORT_1 var_22_arg_0 = input_3; [L307] SORT_19 var_22_arg_1 = var_20; [L308] SORT_21 var_22 = ((SORT_21)var_22_arg_0 << 6) | var_22_arg_1; [L309] var_22 = var_22 & mask_SORT_21 [L310] SORT_1 var_24_arg_0 = input_3; [L311] SORT_21 var_24_arg_1 = var_22; [L312] SORT_23 var_24 = ((SORT_23)var_24_arg_0 << 7) | var_24_arg_1; [L313] var_24 = var_24 & mask_SORT_23 [L314] SORT_1 var_26_arg_0 = input_3; [L315] SORT_23 var_26_arg_1 = var_24; [L316] SORT_25 var_26 = ((SORT_25)var_26_arg_0 << 8) | var_26_arg_1; [L317] var_26 = var_26 & mask_SORT_25 [L318] SORT_1 var_28_arg_0 = var_14; [L319] SORT_25 var_28_arg_1 = var_26; [L320] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 9) | var_28_arg_1; [L321] var_28 = var_28 & mask_SORT_27 [L322] SORT_1 var_30_arg_0 = var_14; [L323] SORT_27 var_30_arg_1 = var_28; [L324] SORT_29 var_30 = ((SORT_29)var_30_arg_0 << 10) | var_30_arg_1; [L325] var_30 = var_30 & mask_SORT_29 [L326] SORT_1 var_32_arg_0 = var_14; [L327] SORT_29 var_32_arg_1 = var_30; [L328] SORT_31 var_32 = ((SORT_31)var_32_arg_0 << 11) | var_32_arg_1; [L329] var_32 = var_32 & mask_SORT_31 [L330] SORT_1 var_34_arg_0 = var_14; [L331] SORT_31 var_34_arg_1 = var_32; [L332] SORT_33 var_34 = ((SORT_33)var_34_arg_0 << 12) | var_34_arg_1; [L333] var_34 = var_34 & mask_SORT_33 [L334] SORT_1 var_36_arg_0 = var_14; [L335] SORT_33 var_36_arg_1 = var_34; [L336] SORT_35 var_36 = ((SORT_35)var_36_arg_0 << 13) | var_36_arg_1; [L337] var_36 = var_36 & mask_SORT_35 [L338] SORT_1 var_38_arg_0 = var_14; [L339] SORT_35 var_38_arg_1 = var_36; [L340] SORT_37 var_38 = ((SORT_37)var_38_arg_0 << 14) | var_38_arg_1; [L341] var_38 = var_38 & mask_SORT_37 [L342] SORT_1 var_40_arg_0 = var_14; [L343] SORT_37 var_40_arg_1 = var_38; [L344] SORT_39 var_40 = ((SORT_39)var_40_arg_0 << 15) | var_40_arg_1; [L345] var_40 = var_40 & mask_SORT_39 [L346] SORT_1 var_42_arg_0 = var_14; [L347] SORT_39 var_42_arg_1 = var_40; [L348] SORT_41 var_42 = ((SORT_41)var_42_arg_0 << 16) | var_42_arg_1; [L349] var_42 = var_42 & mask_SORT_41 [L350] SORT_1 var_44_arg_0 = var_14; [L351] SORT_41 var_44_arg_1 = var_42; [L352] SORT_43 var_44 = ((SORT_43)var_44_arg_0 << 17) | var_44_arg_1; [L353] var_44 = var_44 & mask_SORT_43 [L354] SORT_1 var_46_arg_0 = var_14; [L355] SORT_43 var_46_arg_1 = var_44; [L356] SORT_45 var_46 = ((SORT_45)var_46_arg_0 << 18) | var_46_arg_1; [L357] var_46 = var_46 & mask_SORT_45 [L358] SORT_1 var_48_arg_0 = var_14; [L359] SORT_45 var_48_arg_1 = var_46; [L360] SORT_47 var_48 = ((SORT_47)var_48_arg_0 << 19) | var_48_arg_1; [L361] var_48 = var_48 & mask_SORT_47 [L362] SORT_1 var_50_arg_0 = var_14; [L363] SORT_47 var_50_arg_1 = var_48; [L364] SORT_49 var_50 = ((SORT_49)var_50_arg_0 << 20) | var_50_arg_1; [L365] var_50 = var_50 & mask_SORT_49 [L366] SORT_1 var_52_arg_0 = var_14; [L367] SORT_49 var_52_arg_1 = var_50; [L368] SORT_51 var_52 = ((SORT_51)var_52_arg_0 << 21) | var_52_arg_1; [L369] var_52 = var_52 & mask_SORT_51 [L370] SORT_1 var_54_arg_0 = var_14; [L371] SORT_51 var_54_arg_1 = var_52; [L372] SORT_53 var_54 = ((SORT_53)var_54_arg_0 << 22) | var_54_arg_1; [L373] var_54 = var_54 & mask_SORT_53 [L374] SORT_1 var_56_arg_0 = var_14; [L375] SORT_53 var_56_arg_1 = var_54; [L376] SORT_55 var_56 = ((SORT_55)var_56_arg_0 << 23) | var_56_arg_1; [L377] var_56 = var_56 & mask_SORT_55 [L378] SORT_1 var_58_arg_0 = var_14; [L379] SORT_55 var_58_arg_1 = var_56; [L380] SORT_57 var_58 = ((SORT_57)var_58_arg_0 << 24) | var_58_arg_1; [L381] var_58 = var_58 & mask_SORT_57 [L382] SORT_1 var_60_arg_0 = var_14; [L383] SORT_57 var_60_arg_1 = var_58; [L384] SORT_59 var_60 = ((SORT_59)var_60_arg_0 << 25) | var_60_arg_1; [L385] var_60 = var_60 & mask_SORT_59 [L386] SORT_1 var_62_arg_0 = var_14; [L387] SORT_59 var_62_arg_1 = var_60; [L388] SORT_61 var_62 = ((SORT_61)var_62_arg_0 << 26) | var_62_arg_1; [L389] var_62 = var_62 & mask_SORT_61 [L390] SORT_1 var_64_arg_0 = var_14; [L391] SORT_61 var_64_arg_1 = var_62; [L392] SORT_63 var_64 = ((SORT_63)var_64_arg_0 << 27) | var_64_arg_1; [L393] var_64 = var_64 & mask_SORT_63 [L394] SORT_1 var_66_arg_0 = var_14; [L395] SORT_63 var_66_arg_1 = var_64; [L396] SORT_65 var_66 = ((SORT_65)var_66_arg_0 << 28) | var_66_arg_1; [L397] var_66 = var_66 & mask_SORT_65 [L398] SORT_1 var_68_arg_0 = var_14; [L399] SORT_65 var_68_arg_1 = var_66; [L400] SORT_67 var_68 = ((SORT_67)var_68_arg_0 << 29) | var_68_arg_1; [L401] var_68 = var_68 & mask_SORT_67 [L402] SORT_1 var_69_arg_0 = var_14; [L403] SORT_67 var_69_arg_1 = var_68; [L404] SORT_9 var_69 = ((SORT_9)var_69_arg_0 << 30) | var_69_arg_1; [L405] var_69 = var_69 & mask_SORT_9 [L406] SORT_1 var_70_arg_0 = var_14; [L407] SORT_9 var_70_arg_1 = var_69; [L408] SORT_11 var_70 = ((SORT_11)var_70_arg_0 << 31) | var_70_arg_1; [L409] SORT_1 var_73_arg_0 = state_72; [L410] SORT_1 var_73 = ~var_73_arg_0; [L411] SORT_1 var_74_arg_0 = var_73; [L412] SORT_15 var_74_arg_1 = var_71; [L413] SORT_17 var_74 = ((SORT_17)var_74_arg_0 << 4) | var_74_arg_1; [L414] var_74 = var_74 & mask_SORT_17 [L415] SORT_1 var_75_arg_0 = var_73; [L416] SORT_17 var_75_arg_1 = var_74; [L417] SORT_19 var_75 = ((SORT_19)var_75_arg_0 << 5) | var_75_arg_1; [L418] var_75 = var_75 & mask_SORT_19 [L419] SORT_1 var_76_arg_0 = state_72; [L420] SORT_19 var_76_arg_1 = var_75; [L421] SORT_21 var_76 = ((SORT_21)var_76_arg_0 << 6) | var_76_arg_1; [L422] var_76 = var_76 & mask_SORT_21 [L423] SORT_1 var_77_arg_0 = state_72; [L424] SORT_21 var_77_arg_1 = var_76; [L425] SORT_23 var_77 = ((SORT_23)var_77_arg_0 << 7) | var_77_arg_1; [L426] var_77 = var_77 & mask_SORT_23 [L427] SORT_1 var_78_arg_0 = var_73; [L428] SORT_23 var_78_arg_1 = var_77; [L429] SORT_25 var_78 = ((SORT_25)var_78_arg_0 << 8) | var_78_arg_1; [L430] var_78 = var_78 & mask_SORT_25 [L431] SORT_1 var_79_arg_0 = var_73; [L432] SORT_25 var_79_arg_1 = var_78; [L433] SORT_27 var_79 = ((SORT_27)var_79_arg_0 << 9) | var_79_arg_1; [L434] var_79 = var_79 & mask_SORT_27 [L435] SORT_1 var_80_arg_0 = var_73; [L436] SORT_27 var_80_arg_1 = var_79; [L437] SORT_29 var_80 = ((SORT_29)var_80_arg_0 << 10) | var_80_arg_1; [L438] var_80 = var_80 & mask_SORT_29 [L439] SORT_1 var_81_arg_0 = var_73; [L440] SORT_29 var_81_arg_1 = var_80; [L441] SORT_31 var_81 = ((SORT_31)var_81_arg_0 << 11) | var_81_arg_1; [L442] var_81 = var_81 & mask_SORT_31 [L443] SORT_1 var_82_arg_0 = var_73; [L444] SORT_31 var_82_arg_1 = var_81; [L445] SORT_33 var_82 = ((SORT_33)var_82_arg_0 << 12) | var_82_arg_1; [L446] var_82 = var_82 & mask_SORT_33 [L447] SORT_1 var_83_arg_0 = var_73; [L448] SORT_33 var_83_arg_1 = var_82; [L449] SORT_35 var_83 = ((SORT_35)var_83_arg_0 << 13) | var_83_arg_1; [L450] var_83 = var_83 & mask_SORT_35 [L451] SORT_1 var_84_arg_0 = var_73; [L452] SORT_35 var_84_arg_1 = var_83; [L453] SORT_37 var_84 = ((SORT_37)var_84_arg_0 << 14) | var_84_arg_1; [L454] var_84 = var_84 & mask_SORT_37 [L455] SORT_1 var_85_arg_0 = var_73; [L456] SORT_37 var_85_arg_1 = var_84; [L457] SORT_39 var_85 = ((SORT_39)var_85_arg_0 << 15) | var_85_arg_1; [L458] var_85 = var_85 & mask_SORT_39 [L459] SORT_1 var_86_arg_0 = var_73; [L460] SORT_39 var_86_arg_1 = var_85; [L461] SORT_41 var_86 = ((SORT_41)var_86_arg_0 << 16) | var_86_arg_1; [L462] var_86 = var_86 & mask_SORT_41 [L463] SORT_1 var_87_arg_0 = var_73; [L464] SORT_41 var_87_arg_1 = var_86; [L465] SORT_43 var_87 = ((SORT_43)var_87_arg_0 << 17) | var_87_arg_1; [L466] var_87 = var_87 & mask_SORT_43 [L467] SORT_1 var_88_arg_0 = var_73; [L468] SORT_43 var_88_arg_1 = var_87; [L469] SORT_45 var_88 = ((SORT_45)var_88_arg_0 << 18) | var_88_arg_1; [L470] var_88 = var_88 & mask_SORT_45 [L471] SORT_1 var_89_arg_0 = var_73; [L472] SORT_45 var_89_arg_1 = var_88; [L473] SORT_47 var_89 = ((SORT_47)var_89_arg_0 << 19) | var_89_arg_1; [L474] var_89 = var_89 & mask_SORT_47 [L475] SORT_1 var_90_arg_0 = var_73; [L476] SORT_47 var_90_arg_1 = var_89; [L477] SORT_49 var_90 = ((SORT_49)var_90_arg_0 << 20) | var_90_arg_1; [L478] var_90 = var_90 & mask_SORT_49 [L479] SORT_1 var_91_arg_0 = var_73; [L480] SORT_49 var_91_arg_1 = var_90; [L481] SORT_51 var_91 = ((SORT_51)var_91_arg_0 << 21) | var_91_arg_1; [L482] var_91 = var_91 & mask_SORT_51 [L483] SORT_1 var_92_arg_0 = var_73; [L484] SORT_51 var_92_arg_1 = var_91; [L485] SORT_53 var_92 = ((SORT_53)var_92_arg_0 << 22) | var_92_arg_1; [L486] var_92 = var_92 & mask_SORT_53 [L487] SORT_1 var_93_arg_0 = var_73; [L488] SORT_53 var_93_arg_1 = var_92; [L489] SORT_55 var_93 = ((SORT_55)var_93_arg_0 << 23) | var_93_arg_1; [L490] var_93 = var_93 & mask_SORT_55 [L491] SORT_1 var_94_arg_0 = var_73; [L492] SORT_55 var_94_arg_1 = var_93; [L493] SORT_57 var_94 = ((SORT_57)var_94_arg_0 << 24) | var_94_arg_1; [L494] var_94 = var_94 & mask_SORT_57 [L495] SORT_1 var_95_arg_0 = var_73; [L496] SORT_57 var_95_arg_1 = var_94; [L497] SORT_59 var_95 = ((SORT_59)var_95_arg_0 << 25) | var_95_arg_1; [L498] var_95 = var_95 & mask_SORT_59 [L499] SORT_1 var_96_arg_0 = var_73; [L500] SORT_59 var_96_arg_1 = var_95; [L501] SORT_61 var_96 = ((SORT_61)var_96_arg_0 << 26) | var_96_arg_1; [L502] var_96 = var_96 & mask_SORT_61 [L503] SORT_1 var_97_arg_0 = var_73; [L504] SORT_61 var_97_arg_1 = var_96; [L505] SORT_63 var_97 = ((SORT_63)var_97_arg_0 << 27) | var_97_arg_1; [L506] var_97 = var_97 & mask_SORT_63 [L507] SORT_1 var_98_arg_0 = var_73; [L508] SORT_63 var_98_arg_1 = var_97; [L509] SORT_65 var_98 = ((SORT_65)var_98_arg_0 << 28) | var_98_arg_1; [L510] var_98 = var_98 & mask_SORT_65 [L511] SORT_1 var_99_arg_0 = var_73; [L512] SORT_65 var_99_arg_1 = var_98; [L513] SORT_67 var_99 = ((SORT_67)var_99_arg_0 << 29) | var_99_arg_1; [L514] var_99 = var_99 & mask_SORT_67 [L515] SORT_1 var_100_arg_0 = var_73; [L516] SORT_67 var_100_arg_1 = var_99; [L517] SORT_9 var_100 = ((SORT_9)var_100_arg_0 << 30) | var_100_arg_1; [L518] var_100 = var_100 & mask_SORT_9 [L519] SORT_1 var_101_arg_0 = var_73; [L520] SORT_9 var_101_arg_1 = var_100; [L521] SORT_11 var_101 = ((SORT_11)var_101_arg_0 << 31) | var_101_arg_1; [L522] SORT_11 var_102_arg_0 = var_70; [L523] SORT_11 var_102_arg_1 = var_101; [L524] SORT_11 var_102 = var_102_arg_0 + var_102_arg_1; [L525] SORT_11 var_104_arg_0 = state_103; [L526] SORT_11 var_104 = -var_104_arg_0; [L527] SORT_1 var_106_arg_0 = state_105; [L528] SORT_11 var_106_arg_1 = var_104; [L529] SORT_11 var_106_arg_2 = state_103; [L530] SORT_11 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L531] SORT_11 var_107_arg_0 = var_102; [L532] SORT_11 var_107_arg_1 = var_106; [L533] SORT_11 var_107 = var_107_arg_0 + var_107_arg_1; [L534] SORT_11 var_108_arg_0 = var_107; [L535] SORT_1 var_108 = var_108_arg_0 >> 31; [L536] SORT_1 var_109_arg_0 = var_108; [L537] SORT_9 var_109_arg_1 = var_10; [L538] SORT_11 var_109 = ((SORT_11)var_109_arg_0 << 31) | var_109_arg_1; [L539] var_109 = var_109 & mask_SORT_11 [L540] SORT_11 var_110_arg_0 = var_107; [L541] SORT_9 var_110 = var_110_arg_0 >> 0; [L542] SORT_9 var_111_arg_0 = var_110; [L543] var_111_arg_0 = var_111_arg_0 & mask_SORT_9 [L544] SORT_11 var_111 = var_111_arg_0; [L545] SORT_11 var_112_arg_0 = var_109; [L546] SORT_11 var_112_arg_1 = var_111; [L547] SORT_1 var_112 = var_112_arg_0 <= var_112_arg_1; [L548] SORT_1 var_113_arg_0 = var_112; [L549] SORT_1 var_113_arg_1 = var_8; [L550] SORT_1 var_113_arg_2 = var_7; [L551] SORT_1 var_113 = var_113_arg_0 ? var_113_arg_1 : var_113_arg_2; [L552] var_113 = var_113 & mask_SORT_1 [L553] SORT_1 var_114_arg_0 = input_3; [L554] SORT_1 var_114_arg_1 = var_113; [L555] SORT_1 var_114 = var_114_arg_0 ^ var_114_arg_1; [L556] SORT_1 var_115_arg_0 = var_114; [L557] SORT_1 var_115 = ~var_115_arg_0; [L558] SORT_1 var_123_arg_0 = var_122; [L559] SORT_1 var_123_arg_1 = var_115; [L560] SORT_1 var_123_arg_2 = var_8; [L561] SORT_1 var_123 = var_123_arg_0 ? var_123_arg_1 : var_123_arg_2; [L562] SORT_1 var_124_arg_0 = var_123; [L563] SORT_1 var_124 = ~var_124_arg_0; [L564] SORT_1 var_125_arg_0 = var_123; [L565] SORT_1 var_125 = ~var_125_arg_0; [L566] SORT_1 var_126_arg_0 = var_124; [L567] SORT_1 var_126_arg_1 = var_125; [L568] SORT_1 var_126 = var_126_arg_0 & var_126_arg_1; [L569] var_126 = var_126 & mask_SORT_1 [L570] SORT_1 bad_127_arg_0 = var_126; [L571] CALL __VERIFIER_assert(!(bad_127_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 2 procedures, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 16 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 3.9s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-13 18:06:47,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8 --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 fc62610a4219624ba1b65e937db0086d4a06c21628bb87b5f81a8591bf53b9b6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 18:06:49,142 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:06:49,144 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:06:49,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:06:49,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:06:49,170 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:06:49,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:06:49,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:06:49,173 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:06:49,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:06:49,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:06:49,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:06:49,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:06:49,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:06:49,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:06:49,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:06:49,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:06:49,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:06:49,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:06:49,180 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:06:49,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:06:49,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:06:49,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:06:49,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:06:49,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:06:49,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:06:49,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:06:49,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:06:49,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:06:49,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:06:49,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:06:49,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:06:49,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:06:49,196 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:06:49,205 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:06:49,205 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:06:49,206 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:06:49,207 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:06:49,207 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:06:49,208 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:06:49,209 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:06:49,209 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 18:06:49,233 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:06:49,234 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:06:49,234 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:06:49,234 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:06:49,235 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:06:49,235 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:06:49,236 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:06:49,236 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:06:49,236 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:06:49,237 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:06:49,237 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:06:49,237 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:06:49,237 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:06:49,237 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:06:49,237 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:06:49,238 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:06:49,238 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:06:49,238 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:06:49,238 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:06:49,238 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:06:49,239 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:06:49,239 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:06:49,239 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:06:49,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:49,239 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:06:49,240 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:06:49,240 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:06:49,240 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:06:49,240 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:06:49,240 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:06:49,241 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:06:49,241 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:06:49,241 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:06:49,241 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:06:49,241 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:06:49,242 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fc62610a4219624ba1b65e937db0086d4a06c21628bb87b5f81a8591bf53b9b6 [2022-12-13 18:06:49,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:06:49,483 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:06:49,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:06:49,486 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:06:49,487 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:06:49,488 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:52,118 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:06:52,337 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:06:52,338 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:52,348 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/bd0faa7e4/7a298ab1bbc14ef185d70ecbffebf295/FLAG34d14d649 [2022-12-13 18:06:52,359 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/data/bd0faa7e4/7a298ab1bbc14ef185d70ecbffebf295 [2022-12-13 18:06:52,361 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:06:52,362 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:06:52,362 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:52,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:06:52,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:06:52,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,366 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@613195c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52, skipping insertion in model container [2022-12-13 18:06:52,366 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,373 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:06:52,410 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:06:52,534 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-12-13 18:06:52,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:52,735 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:06:52,745 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c[1132,1145] [2022-12-13 18:06:52,850 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:06:52,863 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:06:52,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52 WrapperNode [2022-12-13 18:06:52,864 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:06:52,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:52,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:06:52,865 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:06:52,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,890 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,926 INFO L138 Inliner]: procedures = 11, calls = 5, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 744 [2022-12-13 18:06:52,927 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:06:52,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:06:52,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:06:52,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:06:52,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,955 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,963 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,966 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,973 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:06:52,974 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:06:52,974 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:06:52,975 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:06:52,975 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (1/1) ... [2022-12-13 18:06:52,982 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:06:52,994 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:06:53,005 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:06:53,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:06:53,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:06:53,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:06:53,042 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-12-13 18:06:53,042 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-12-13 18:06:53,220 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:06:53,222 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:06:53,868 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:06:53,876 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:06:53,876 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:06:53,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:53 BoogieIcfgContainer [2022-12-13 18:06:53,879 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:06:53,881 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:06:53,881 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:06:53,885 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:06:53,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:06:52" (1/3) ... [2022-12-13 18:06:53,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0664a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:53, skipping insertion in model container [2022-12-13 18:06:53,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:06:52" (2/3) ... [2022-12-13 18:06:53,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cf0664a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:06:53, skipping insertion in model container [2022-12-13 18:06:53,887 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:06:53" (3/3) ... [2022-12-13 18:06:53,888 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.unsafe_intersymbol_analog_estimation_convergence.c [2022-12-13 18:06:53,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:06:53,910 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:06:53,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:06:53,966 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;@55a5547e, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:06:53,966 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:06:53,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:53,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:06:53,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:06:53,975 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:53,976 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:06:53,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:53,979 INFO L85 PathProgramCache]: Analyzing trace with hash -639607165, now seen corresponding path program 1 times [2022-12-13 18:06:53,990 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:06:53,990 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [188152462] [2022-12-13 18:06:53,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:53,991 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:06:53,991 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:06:53,992 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:06:53,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 18:06:54,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:54,216 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 1 conjunts are in the unsatisfiable core [2022-12-13 18:06:54,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:06:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-13 18:06:54,238 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:06:54,239 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:06:54,239 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [188152462] [2022-12-13 18:06:54,239 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [188152462] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:54,240 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:54,240 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 18:06:54,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641053170] [2022-12-13 18:06:54,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:54,244 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 18:06:54,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:06:54,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 18:06:54,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:06:54,267 INFO L87 Difference]: Start difference. First operand has 19 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 15 states have internal predecessors, (19), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:54,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:06:54,280 INFO L93 Difference]: Finished difference Result 32 states and 43 transitions. [2022-12-13 18:06:54,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 18:06:54,282 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 17 [2022-12-13 18:06:54,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:06:54,286 INFO L225 Difference]: With dead ends: 32 [2022-12-13 18:06:54,286 INFO L226 Difference]: Without dead ends: 15 [2022-12-13 18:06:54,288 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 18:06:54,290 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:06:54,291 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:06:54,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-12-13 18:06:54,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-12-13 18:06:54,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:54,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-12-13 18:06:54,326 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 17 [2022-12-13 18:06:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:06:54,327 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-12-13 18:06:54,327 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 18:06:54,327 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-12-13 18:06:54,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-12-13 18:06:54,328 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:06:54,328 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:54,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 18:06:54,529 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:06:54,531 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:06:54,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:54,533 INFO L85 PathProgramCache]: Analyzing trace with hash -324183425, now seen corresponding path program 1 times [2022-12-13 18:06:54,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:06:54,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543749236] [2022-12-13 18:06:54,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:54,538 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:06:54,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:06:54,542 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:06:54,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 18:06:54,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:54,883 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 18 conjunts are in the unsatisfiable core [2022-12-13 18:06:54,887 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:06:55,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 18:06:55,177 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:06:55,177 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:06:55,178 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543749236] [2022-12-13 18:06:55,178 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543749236] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:06:55,178 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:06:55,178 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:06:55,178 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1827716868] [2022-12-13 18:06:55,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:06:55,180 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:06:55,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:06:55,180 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:06:55,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:06:55,181 INFO L87 Difference]: Start difference. First operand 15 states and 16 transitions. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:06:56,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:06:56,163 INFO L93 Difference]: Finished difference Result 29 states and 34 transitions. [2022-12-13 18:06:56,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:06:56,164 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17 [2022-12-13 18:06:56,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:06:56,165 INFO L225 Difference]: With dead ends: 29 [2022-12-13 18:06:56,165 INFO L226 Difference]: Without dead ends: 27 [2022-12-13 18:06:56,165 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 18:06:56,166 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 6 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-12-13 18:06:56,166 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 50 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-12-13 18:06:56,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-12-13 18:06:56,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 21. [2022-12-13 18:06:56,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 15 states have (on average 1.0666666666666667) internal successors, (16), 15 states have internal predecessors, (16), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 18:06:56,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 24 transitions. [2022-12-13 18:06:56,172 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 24 transitions. Word has length 17 [2022-12-13 18:06:56,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:06:56,172 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 24 transitions. [2022-12-13 18:06:56,172 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 18:06:56,173 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2022-12-13 18:06:56,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-12-13 18:06:56,174 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:06:56,174 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 18:06:56,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-13 18:06:56,374 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:06:56,376 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:06:56,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:06:56,378 INFO L85 PathProgramCache]: Analyzing trace with hash 322101155, now seen corresponding path program 1 times [2022-12-13 18:06:56,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:06:56,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1846530531] [2022-12-13 18:06:56,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:56,381 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:06:56,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:06:56,382 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:06:56,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:06:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:56,978 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 30 conjunts are in the unsatisfiable core [2022-12-13 18:06:56,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:06:57,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:06:57,534 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:06:57,889 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:06:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1846530531] [2022-12-13 18:06:57,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1846530531] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:06:57,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [178113718] [2022-12-13 18:06:57,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:06:57,889 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:06:57,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:06:57,890 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:06:57,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2022-12-13 18:06:58,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:06:58,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 907 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 18:06:58,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:06:59,214 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-12-13 18:06:59,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:06:59,384 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [178113718] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:06:59,385 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:06:59,385 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 5 [2022-12-13 18:06:59,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804935979] [2022-12-13 18:06:59,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:06:59,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 18:06:59,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:06:59,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 18:06:59,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-12-13 18:06:59,387 INFO L87 Difference]: Start difference. First operand 21 states and 24 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 18:07:00,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:07:00,854 INFO L93 Difference]: Finished difference Result 36 states and 43 transitions. [2022-12-13 18:07:00,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-12-13 18:07:00,855 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 32 [2022-12-13 18:07:00,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:07:00,856 INFO L225 Difference]: With dead ends: 36 [2022-12-13 18:07:00,856 INFO L226 Difference]: Without dead ends: 34 [2022-12-13 18:07:00,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 64 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:07:00,858 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 10 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-12-13 18:07:00,859 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 49 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-12-13 18:07:00,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-12-13 18:07:00,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 28. [2022-12-13 18:07:00,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2022-12-13 18:07:00,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-12-13 18:07:00,868 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 32 [2022-12-13 18:07:00,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:07:00,869 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-12-13 18:07:00,869 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 states have internal predecessors, (15), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-12-13 18:07:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-12-13 18:07:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-12-13 18:07:00,871 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:07:00,871 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1] [2022-12-13 18:07:00,887 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:07:01,079 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2022-12-13 18:07:01,272 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:01,273 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:07:01,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:07:01,274 INFO L85 PathProgramCache]: Analyzing trace with hash -220860929, now seen corresponding path program 2 times [2022-12-13 18:07:01,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:07:01,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1807619128] [2022-12-13 18:07:01,278 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 18:07:01,278 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:07:01,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:07:01,279 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:07:01,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-13 18:07:01,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 18:07:01,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:02,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 37 conjunts are in the unsatisfiable core [2022-12-13 18:07:02,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:02,771 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 18:07:02,771 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:03,065 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:07:03,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1807619128] [2022-12-13 18:07:03,065 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1807619128] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:03,065 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1868228629] [2022-12-13 18:07:03,066 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 18:07:03,066 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:03,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:07:03,067 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:07:03,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-12-13 18:07:04,661 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 18:07:04,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:04,707 INFO L263 TraceCheckSpWp]: Trace formula consists of 1388 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-13 18:07:04,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:05,275 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 19 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2022-12-13 18:07:05,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:05,448 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1868228629] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:05,449 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:07:05,449 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2022-12-13 18:07:05,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512642940] [2022-12-13 18:07:05,449 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:07:05,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-13 18:07:05,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:07:05,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-13 18:07:05,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:07:05,451 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 18:07:09,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 18:07:09,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:07:09,125 INFO L93 Difference]: Finished difference Result 43 states and 52 transitions. [2022-12-13 18:07:09,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:07:09,126 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 47 [2022-12-13 18:07:09,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:07:09,127 INFO L225 Difference]: With dead ends: 43 [2022-12-13 18:07:09,127 INFO L226 Difference]: Without dead ends: 41 [2022-12-13 18:07:09,128 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:07:09,129 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 14 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-12-13 18:07:09,129 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 88 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-12-13 18:07:09,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-12-13 18:07:09,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 35. [2022-12-13 18:07:09,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 25 states have (on average 1.04) internal successors, (26), 25 states have internal predecessors, (26), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 18:07:09,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-12-13 18:07:09,140 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 47 [2022-12-13 18:07:09,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:07:09,141 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-12-13 18:07:09,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 6 states have internal predecessors, (20), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2022-12-13 18:07:09,141 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-12-13 18:07:09,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-12-13 18:07:09,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:07:09,144 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1] [2022-12-13 18:07:09,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-12-13 18:07:09,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-12-13 18:07:09,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:07:09,546 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:07:09,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:07:09,547 INFO L85 PathProgramCache]: Analyzing trace with hash -2090804189, now seen corresponding path program 3 times [2022-12-13 18:07:09,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:07:09,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [369285337] [2022-12-13 18:07:09,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 18:07:09,552 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 [2022-12-13 18:07:09,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:07:09,555 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:07:09,558 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2022-12-13 18:07:11,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 18:07:11,898 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:12,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 45 conjunts are in the unsatisfiable core [2022-12-13 18:07:12,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:13,031 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-13 18:07:13,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:13,340 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:07:13,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [369285337] [2022-12-13 18:07:13,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [369285337] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:13,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477666035] [2022-12-13 18:07:13,341 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-13 18:07:13,341 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:13,341 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:07:13,342 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:07:13,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2022-12-13 18:07:16,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-12-13 18:07:16,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:16,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 1846 conjuncts, 51 conjunts are in the unsatisfiable core [2022-12-13 18:07:16,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:17,035 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-12-13 18:07:17,035 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:17,217 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [477666035] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:17,217 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:07:17,217 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2022-12-13 18:07:17,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675924241] [2022-12-13 18:07:17,218 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:07:17,218 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-13 18:07:17,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:07:17,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-13 18:07:17,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-12-13 18:07:17,220 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 18:07:20,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:07:20,270 INFO L93 Difference]: Finished difference Result 50 states and 61 transitions. [2022-12-13 18:07:20,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-13 18:07:20,271 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) Word has length 62 [2022-12-13 18:07:20,271 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:07:20,272 INFO L225 Difference]: With dead ends: 50 [2022-12-13 18:07:20,272 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 18:07:20,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 122 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:07:20,274 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 18 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:07:20,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 118 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2022-12-13 18:07:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 18:07:20,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2022-12-13 18:07:20,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 18:07:20,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2022-12-13 18:07:20,284 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 62 [2022-12-13 18:07:20,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:07:20,285 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2022-12-13 18:07:20,285 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.5714285714285716) internal successors, (25), 7 states have internal predecessors, (25), 4 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 4 states have call predecessors, (8), 4 states have call successors, (8) [2022-12-13 18:07:20,285 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-12-13 18:07:20,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-12-13 18:07:20,287 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:07:20,287 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1] [2022-12-13 18:07:20,320 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Ended with exit code 0 [2022-12-13 18:07:20,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2022-12-13 18:07:20,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:20,689 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:07:20,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:07:20,691 INFO L85 PathProgramCache]: Analyzing trace with hash -497065601, now seen corresponding path program 4 times [2022-12-13 18:07:20,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:07:20,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [862697613] [2022-12-13 18:07:20,696 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 18:07:20,697 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:07:20,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:07:20,700 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:07:20,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (10)] Waiting until timeout for monitored process [2022-12-13 18:07:22,029 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 18:07:22,029 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:22,178 INFO L263 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 52 conjunts are in the unsatisfiable core [2022-12-13 18:07:22,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:23,480 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-13 18:07:23,480 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:23,801 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:07:23,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [862697613] [2022-12-13 18:07:23,802 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [862697613] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:23,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1468318797] [2022-12-13 18:07:23,802 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-13 18:07:23,802 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:23,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:07:23,803 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:07:23,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2022-12-13 18:07:26,337 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-13 18:07:26,337 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:26,424 INFO L263 TraceCheckSpWp]: Trace formula consists of 2350 conjuncts, 54 conjunts are in the unsatisfiable core [2022-12-13 18:07:26,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:27,474 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2022-12-13 18:07:27,475 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:27,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1468318797] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:27,658 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:07:27,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 8 [2022-12-13 18:07:27,658 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821978603] [2022-12-13 18:07:27,658 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:07:27,658 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:07:27,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:07:27,659 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:07:27,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:07:27,659 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-12-13 18:07:32,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:07:32,816 INFO L93 Difference]: Finished difference Result 57 states and 70 transitions. [2022-12-13 18:07:32,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-13 18:07:32,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) Word has length 77 [2022-12-13 18:07:32,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:07:32,818 INFO L225 Difference]: With dead ends: 57 [2022-12-13 18:07:32,818 INFO L226 Difference]: Without dead ends: 55 [2022-12-13 18:07:32,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-12-13 18:07:32,819 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 22 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:07:32,819 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 152 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 18:07:32,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-13 18:07:32,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2022-12-13 18:07:32,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.0285714285714285) internal successors, (36), 35 states have internal predecessors, (36), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 18:07:32,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 60 transitions. [2022-12-13 18:07:32,828 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 60 transitions. Word has length 77 [2022-12-13 18:07:32,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:07:32,828 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 60 transitions. [2022-12-13 18:07:32,828 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 5 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 5 states have call predecessors, (10), 5 states have call successors, (10) [2022-12-13 18:07:32,829 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2022-12-13 18:07:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-12-13 18:07:32,829 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:07:32,830 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 6, 6, 6, 6, 6, 6, 6, 5, 5, 1, 1, 1, 1] [2022-12-13 18:07:32,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (10)] Ended with exit code 0 [2022-12-13 18:07:33,082 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2022-12-13 18:07:33,231 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:33,232 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:07:33,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:07:33,234 INFO L85 PathProgramCache]: Analyzing trace with hash -1068369757, now seen corresponding path program 5 times [2022-12-13 18:07:33,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:07:33,241 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1157584124] [2022-12-13 18:07:33,241 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 18:07:33,242 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:07:33,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:07:33,245 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:07:33,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (12)] Waiting until timeout for monitored process [2022-12-13 18:07:36,396 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-12-13 18:07:36,396 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:07:36,592 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 59 conjunts are in the unsatisfiable core [2022-12-13 18:07:36,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:07:38,356 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 18:07:38,356 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:07:38,740 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:07:38,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1157584124] [2022-12-13 18:07:38,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1157584124] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:07:38,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2117552957] [2022-12-13 18:07:38,741 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-13 18:07:38,741 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-13 18:07:38,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 [2022-12-13 18:07:38,742 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-13 18:07:38,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2022-12-13 18:07:59,955 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2022-12-13 18:07:59,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:08:00,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 2831 conjuncts, 64 conjunts are in the unsatisfiable core [2022-12-13 18:08:00,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:08:01,438 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2022-12-13 18:08:01,438 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:08:01,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2117552957] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 18:08:01,636 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:08:01,637 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 9 [2022-12-13 18:08:01,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199388340] [2022-12-13 18:08:01,637 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:08:01,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-12-13 18:08:01,637 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:08:01,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-12-13 18:08:01,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:08:01,638 INFO L87 Difference]: Start difference. First operand 49 states and 60 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 18:08:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:08:06,947 INFO L93 Difference]: Finished difference Result 64 states and 79 transitions. [2022-12-13 18:08:06,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-12-13 18:08:06,948 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) Word has length 92 [2022-12-13 18:08:06,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:08:06,949 INFO L225 Difference]: With dead ends: 64 [2022-12-13 18:08:06,949 INFO L226 Difference]: Without dead ends: 62 [2022-12-13 18:08:06,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2022-12-13 18:08:06,950 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 26 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 266 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-12-13 18:08:06,950 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 190 Invalid, 266 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 251 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-12-13 18:08:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-12-13 18:08:06,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56. [2022-12-13 18:08:06,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 40 states have (on average 1.025) internal successors, (41), 40 states have internal predecessors, (41), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2022-12-13 18:08:06,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 69 transitions. [2022-12-13 18:08:06,961 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 69 transitions. Word has length 92 [2022-12-13 18:08:06,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:08:06,961 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 69 transitions. [2022-12-13 18:08:06,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 9 states have internal predecessors, (35), 6 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 6 states have call predecessors, (12), 6 states have call successors, (12) [2022-12-13 18:08:06,962 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2022-12-13 18:08:06,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-12-13 18:08:06,963 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:08:06,963 INFO L195 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1] [2022-12-13 18:08:07,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (12)] Ended with exit code 0 [2022-12-13 18:08:07,224 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2022-12-13 18:08:07,364 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/cvc4 --incremental --print-success --lang smt [2022-12-13 18:08:07,365 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:08:07,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:08:07,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1031686913, now seen corresponding path program 6 times [2022-12-13 18:08:07,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:08:07,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [52417921] [2022-12-13 18:08:07,371 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2022-12-13 18:08:07,371 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:08:07,371 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:08:07,372 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 18:08:07,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (14)] Waiting until timeout for monitored process [2022-12-13 18:08:15,997 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2022-12-13 18:08:15,998 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:08:16,255 WARN L261 TraceCheckSpWp]: Trace formula consists of 3289 conjuncts, 1709 conjunts are in the unsatisfiable core [2022-12-13 18:08:16,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:09:56,482 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 101 [2022-12-13 18:09:56,483 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-12-13 18:09:56,483 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:09:56,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [52417921] [2022-12-13 18:09:56,484 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-12-13 18:09:56,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/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 (14)] Ended with exit code 0 [2022-12-13 18:09:56,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 18:09:56,686 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.UndoableWrapperScript.push(UndoableWrapperScript.java:54) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:620) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:370) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:198) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:265) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:800) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:139) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$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.QuantifierPusher.pushInner(QuantifierPusher.java:282) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$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:337) 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) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 76 more [2022-12-13 18:09:56,694 INFO L158 Benchmark]: Toolchain (without parser) took 184331.76ms. Allocated memory was 79.7MB in the beginning and 222.3MB in the end (delta: 142.6MB). Free memory was 56.6MB in the beginning and 65.3MB in the end (delta: -8.6MB). Peak memory consumption was 159.3MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,695 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:09:56,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.40ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 50.3MB in the end (delta: 6.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,696 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.12ms. Allocated memory is still 79.7MB. Free memory was 50.3MB in the beginning and 44.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,696 INFO L158 Benchmark]: Boogie Preprocessor took 46.49ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 40.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,696 INFO L158 Benchmark]: RCFGBuilder took 904.41ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 40.2MB in the end (delta: 175.2kB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,696 INFO L158 Benchmark]: TraceAbstraction took 182811.59ms. Allocated memory was 96.5MB in the beginning and 222.3MB in the end (delta: 125.8MB). Free memory was 39.6MB in the beginning and 65.3MB in the end (delta: -25.7MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. [2022-12-13 18:09:56,698 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 60.8MB. Free memory was 39.3MB in the beginning and 39.2MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.40ms. Allocated memory is still 79.7MB. Free memory was 56.3MB in the beginning and 50.3MB in the end (delta: 6.0MB). Peak memory consumption was 30.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.12ms. Allocated memory is still 79.7MB. Free memory was 50.3MB in the beginning and 44.5MB in the end (delta: 5.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.49ms. Allocated memory is still 79.7MB. Free memory was 44.5MB in the beginning and 40.3MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 904.41ms. Allocated memory was 79.7MB in the beginning and 96.5MB in the end (delta: 16.8MB). Free memory was 40.3MB in the beginning and 40.2MB in the end (delta: 175.2kB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 182811.59ms. Allocated memory was 96.5MB in the beginning and 222.3MB in the end (delta: 125.8MB). Free memory was 39.6MB in the beginning and 65.3MB in the end (delta: -25.7MB). Peak memory consumption was 123.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f36647e1-1603-4a0e-8c2c-15656ee08250/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory")