./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0869cbb055e5b6c4fb0e66b12725080121bd9c147f0a6b4b59f01091060f4b75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:50:50,435 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:50:50,436 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:50:50,449 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:50:50,450 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:50:50,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:50:50,451 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:50:50,452 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:50:50,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:50:50,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:50:50,455 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:50:50,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:50:50,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:50:50,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:50:50,457 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:50:50,458 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:50:50,459 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:50:50,459 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:50:50,461 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:50:50,462 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:50:50,463 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:50:50,464 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:50:50,465 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:50:50,465 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:50:50,468 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:50:50,468 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:50:50,469 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:50:50,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:50:50,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:50:50,470 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:50:50,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:50:50,471 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:50:50,472 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:50:50,472 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:50:50,473 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:50:50,473 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:50:50,474 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:50:50,474 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:50:50,474 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:50:50,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:50:50,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:50:50,476 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-12-14 09:50:50,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:50:50,491 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:50:50,491 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:50:50,491 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:50:50,492 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:50:50,492 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:50:50,492 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:50:50,492 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:50:50,492 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:50:50,492 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:50:50,493 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 09:50:50,493 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 09:50:50,494 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:50:50,494 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 09:50:50,494 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:50:50,494 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:50:50,494 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:50:50,494 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:50:50,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:50:50,495 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:50:50,495 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:50:50,496 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0869cbb055e5b6c4fb0e66b12725080121bd9c147f0a6b4b59f01091060f4b75 [2022-12-14 09:50:50,653 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:50:50,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:50:50,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:50:50,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:50:50,678 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:50:50,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:50:53,252 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:50:53,425 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:50:53,426 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:50:53,432 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/78117ef15/3bce7604f2fa4ee0911df2952ed9d440/FLAG0f7aa0b4c [2022-12-14 09:50:53,824 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/78117ef15/3bce7604f2fa4ee0911df2952ed9d440 [2022-12-14 09:50:53,827 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:50:53,828 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:50:53,829 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:50:53,829 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:50:53,831 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:50:53,832 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:50:53" (1/1) ... [2022-12-14 09:50:53,833 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c8e4b58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:53, skipping insertion in model container [2022-12-14 09:50:53,833 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:50:53" (1/1) ... [2022-12-14 09:50:53,838 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:50:53,863 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:50:53,955 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_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1014,1027] [2022-12-14 09:50:54,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:50:54,042 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:50:54,050 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_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1014,1027] [2022-12-14 09:50:54,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:50:54,112 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:50:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54 WrapperNode [2022-12-14 09:50:54,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:50:54,113 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:50:54,114 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:50:54,114 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:50:54,119 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,133 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,177 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 541 [2022-12-14 09:50:54,177 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:50:54,178 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:50:54,178 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:50:54,178 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:50:54,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,188 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,221 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,229 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,233 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,243 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:50:54,244 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:50:54,245 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:50:54,245 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:50:54,246 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (1/1) ... [2022-12-14 09:50:54,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:50:54,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:50:54,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:50:54,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:50:54,305 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:50:54,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:50:54,430 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:50:54,432 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:51:00,172 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:51:00,185 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:51:00,186 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:51:00,187 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:00 BoogieIcfgContainer [2022-12-14 09:51:00,188 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:51:00,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:51:00,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:51:00,191 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:51:00,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:50:53" (1/3) ... [2022-12-14 09:51:00,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dd0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:00, skipping insertion in model container [2022-12-14 09:51:00,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:50:54" (2/3) ... [2022-12-14 09:51:00,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10dd0c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:00, skipping insertion in model container [2022-12-14 09:51:00,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:00" (3/3) ... [2022-12-14 09:51:00,194 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:51:00,207 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:51:00,207 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:51:00,241 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:51:00,246 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7ace4d2c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:51:00,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:51:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:00,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 09:51:00,254 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:00,254 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 09:51:00,254 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:51:00,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:00,258 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-12-14 09:51:00,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:00,265 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589307514] [2022-12-14 09:51:00,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:00,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:01,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:01,414 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 09:51:01,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589307514] [2022-12-14 09:51:01,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589307514] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:01,415 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:01,415 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-14 09:51:01,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178335420] [2022-12-14 09:51:01,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:01,419 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:51:01,419 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 09:51:01,441 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:51:01,442 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:01,443 INFO L87 Difference]: Start difference. First operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:03,026 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-12-14 09:51:03,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:03,545 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2022-12-14 09:51:03,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:51:03,547 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-12-14 09:51:03,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:03,554 INFO L225 Difference]: With dead ends: 15 [2022-12-14 09:51:03,554 INFO L226 Difference]: Without dead ends: 9 [2022-12-14 09:51:03,556 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:51:03,559 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:03,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 7 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2022-12-14 09:51:03,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-12-14 09:51:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-12-14 09:51:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 7 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:03,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-12-14 09:51:03,587 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2022-12-14 09:51:03,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:03,587 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-12-14 09:51:03,587 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:03,587 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-12-14 09:51:03,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-12-14 09:51:03,588 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:03,588 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-12-14 09:51:03,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-14 09:51:03,588 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:51:03,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:03,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2022-12-14 09:51:03,589 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 09:51:03,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766034862] [2022-12-14 09:51:03,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:03,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 09:51:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:51:07,678 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-14 09:51:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-14 09:51:10,665 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-12-14 09:51:10,666 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-14 09:51:10,667 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-14 09:51:10,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-14 09:51:10,671 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-14 09:51:10,674 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 09:51:10,706 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 09:51:10,707 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-14 09:51:10,727 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 09:51:10 BoogieIcfgContainer [2022-12-14 09:51:10,727 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 09:51:10,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 09:51:10,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 09:51:10,727 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 09:51:10,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:00" (3/4) ... [2022-12-14 09:51:10,730 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-14 09:51:10,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 09:51:10,731 INFO L158 Benchmark]: Toolchain (without parser) took 16903.14ms. Allocated memory was 130.0MB in the beginning and 853.5MB in the end (delta: 723.5MB). Free memory was 93.8MB in the beginning and 559.9MB in the end (delta: -466.1MB). Peak memory consumption was 259.0MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,731 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:51:10,732 INFO L158 Benchmark]: CACSL2BoogieTranslator took 284.27ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 69.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,732 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.71ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 69.8MB in the beginning and 126.4MB in the end (delta: -56.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,732 INFO L158 Benchmark]: Boogie Preprocessor took 66.07ms. Allocated memory is still 159.4MB. Free memory was 126.4MB in the beginning and 124.2MB in the end (delta: 2.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,733 INFO L158 Benchmark]: RCFGBuilder took 5943.16ms. Allocated memory was 159.4MB in the beginning and 710.9MB in the end (delta: 551.6MB). Free memory was 124.2MB in the beginning and 339.6MB in the end (delta: -215.4MB). Peak memory consumption was 426.2MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,733 INFO L158 Benchmark]: TraceAbstraction took 10537.75ms. Allocated memory was 710.9MB in the beginning and 853.5MB in the end (delta: 142.6MB). Free memory was 338.5MB in the beginning and 560.9MB in the end (delta: -222.4MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. [2022-12-14 09:51:10,734 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 853.5MB. Free memory was 560.9MB in the beginning and 559.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 09:51:10,736 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 284.27ms. Allocated memory is still 130.0MB. Free memory was 93.4MB in the beginning and 69.8MB in the end (delta: 23.6MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.71ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 69.8MB in the beginning and 126.4MB in the end (delta: -56.6MB). Peak memory consumption was 13.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 66.07ms. Allocated memory is still 159.4MB. Free memory was 126.4MB in the beginning and 124.2MB in the end (delta: 2.2MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 5943.16ms. Allocated memory was 159.4MB in the beginning and 710.9MB in the end (delta: 551.6MB). Free memory was 124.2MB in the beginning and 339.6MB in the end (delta: -215.4MB). Peak memory consumption was 426.2MB. Max. memory is 16.1GB. * TraceAbstraction took 10537.75ms. Allocated memory was 710.9MB in the beginning and 853.5MB in the end (delta: 142.6MB). Free memory was 338.5MB in the beginning and 560.9MB in the end (delta: -222.4MB). Peak memory consumption was 174.0MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 853.5MB. Free memory was 560.9MB in the beginning and 559.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 187, overapproximation of shiftRight at line 191, overapproximation of bitwiseAnd at line 100, overapproximation of bitwiseComplement at line 132. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 5); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (5 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L34] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L35] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L37] const SORT_3 var_5 = 0; [L38] const SORT_1 var_12 = 0; [L39] const SORT_3 var_34 = 1; [L40] const SORT_3 var_37 = 0; [L41] const SORT_1 var_62 = 1; [L42] const SORT_4 var_65 = 400; [L43] const SORT_3 var_66 = 0; [L44] const SORT_4 var_68 = 16; [L45] const SORT_4 var_171 = 749; [L47] SORT_3 input_44; [L48] SORT_3 input_46; [L49] SORT_3 input_48; [L50] SORT_1 input_50; [L51] SORT_1 input_52; [L52] SORT_1 input_54; [L53] SORT_1 input_56; [L54] SORT_1 input_58; [L55] SORT_1 input_60; [L56] SORT_1 input_64; [L57] SORT_1 input_74; [L58] SORT_1 input_78; [L59] SORT_1 input_81; [L60] SORT_1 input_96; [L61] SORT_1 input_100; [L63] SORT_3 state_6 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L64] SORT_3 state_8 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L65] SORT_3 state_10 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L66] SORT_1 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_1 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_3 init_7_arg_1 = var_5; [L76] state_6 = init_7_arg_1 [L77] SORT_3 init_9_arg_1 = var_5; [L78] state_8 = init_9_arg_1 [L79] SORT_3 init_11_arg_1 = var_5; [L80] state_10 = init_11_arg_1 [L81] SORT_1 init_14_arg_1 = var_12; [L82] state_13 = init_14_arg_1 [L83] SORT_1 init_16_arg_1 = var_12; [L84] state_15 = init_16_arg_1 [L85] SORT_1 init_18_arg_1 = var_12; [L86] state_17 = init_18_arg_1 [L87] SORT_1 init_20_arg_1 = var_12; [L88] state_19 = init_20_arg_1 [L89] SORT_1 init_22_arg_1 = var_12; [L90] state_21 = init_22_arg_1 [L91] SORT_1 init_24_arg_1 = var_12; [L92] state_23 = init_24_arg_1 [L93] SORT_1 init_26_arg_1 = var_12; [L94] state_25 = init_26_arg_1 [L95] SORT_1 init_28_arg_1 = var_12; [L96] state_27 = init_28_arg_1 VAL [init_11_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=65535, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=32768, msb_SORT_4=2147483648, state_10=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_25=0, state_27=0, state_6=0, state_8=0, var_12=0, var_171=749, var_34=1, var_37=0, var_5=0, var_62=1, var_65=400, var_66=0, var_68=16] [L99] input_44 = __VERIFIER_nondet_ushort() [L100] input_44 = input_44 & mask_SORT_3 [L101] input_46 = __VERIFIER_nondet_ushort() [L102] input_46 = input_46 & mask_SORT_3 [L103] input_48 = __VERIFIER_nondet_ushort() [L104] input_48 = input_48 & mask_SORT_3 [L105] input_50 = __VERIFIER_nondet_uchar() [L106] input_50 = input_50 & mask_SORT_1 [L107] input_52 = __VERIFIER_nondet_uchar() [L108] input_52 = input_52 & mask_SORT_1 [L109] input_54 = __VERIFIER_nondet_uchar() [L110] input_54 = input_54 & mask_SORT_1 [L111] input_56 = __VERIFIER_nondet_uchar() [L112] input_56 = input_56 & mask_SORT_1 [L113] input_58 = __VERIFIER_nondet_uchar() [L114] input_58 = input_58 & mask_SORT_1 [L115] input_60 = __VERIFIER_nondet_uchar() [L116] input_60 = input_60 & mask_SORT_1 [L117] input_64 = __VERIFIER_nondet_uchar() [L118] input_64 = input_64 & mask_SORT_1 [L119] input_74 = __VERIFIER_nondet_uchar() [L120] input_74 = input_74 & mask_SORT_1 [L121] input_78 = __VERIFIER_nondet_uchar() [L122] input_78 = input_78 & mask_SORT_1 [L123] input_81 = __VERIFIER_nondet_uchar() [L124] input_81 = input_81 & mask_SORT_1 [L125] input_96 = __VERIFIER_nondet_uchar() [L126] input_96 = input_96 & mask_SORT_1 [L127] input_100 = __VERIFIER_nondet_uchar() [L128] input_100 = input_100 & mask_SORT_1 [L131] SORT_1 var_29_arg_0 = state_13; [L132] SORT_1 var_29_arg_1 = ~state_15; [L133] var_29_arg_1 = var_29_arg_1 & mask_SORT_1 [L134] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L135] SORT_1 var_30_arg_0 = var_29; [L136] SORT_1 var_30_arg_1 = ~state_17; [L137] var_30_arg_1 = var_30_arg_1 & mask_SORT_1 [L138] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L139] SORT_1 var_31_arg_0 = var_30; [L140] SORT_1 var_31_arg_1 = state_19; [L141] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L142] SORT_1 var_32_arg_0 = var_31; [L143] SORT_1 var_32_arg_1 = ~state_21; [L144] var_32_arg_1 = var_32_arg_1 & mask_SORT_1 [L145] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L146] SORT_1 var_33_arg_0 = var_32; [L147] SORT_1 var_33_arg_1 = ~state_23; [L148] var_33_arg_1 = var_33_arg_1 & mask_SORT_1 [L149] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L150] SORT_3 var_35_arg_0 = var_34; [L151] SORT_3 var_35_arg_1 = state_6; [L152] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L153] SORT_1 var_36_arg_0 = var_33; [L154] SORT_1 var_36_arg_1 = var_35; [L155] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L156] SORT_3 var_38_arg_0 = var_37; [L157] SORT_3 var_38_arg_1 = state_8; [L158] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L159] SORT_1 var_39_arg_0 = var_36; [L160] SORT_1 var_39_arg_1 = var_38; [L161] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L162] SORT_3 var_40_arg_0 = var_37; [L163] SORT_3 var_40_arg_1 = state_10; [L164] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L165] SORT_1 var_41_arg_0 = var_39; [L166] SORT_1 var_41_arg_1 = var_40; [L167] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L168] SORT_1 var_42_arg_0 = state_27; [L169] SORT_1 var_42_arg_1 = var_41; [L170] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L171] var_42 = var_42 & mask_SORT_1 [L172] SORT_1 bad_43_arg_0 = var_42; [L173] CALL __VERIFIER_assert(!(bad_43_arg_0)) [L20] COND FALSE !(!(cond)) VAL [\old(cond)=1, cond=1] [L173] RET __VERIFIER_assert(!(bad_43_arg_0)) [L175] SORT_3 next_45_arg_1 = input_44; [L176] SORT_3 next_47_arg_1 = input_46; [L177] SORT_3 next_49_arg_1 = input_48; [L178] SORT_1 next_51_arg_1 = input_50; [L179] SORT_1 next_53_arg_1 = input_52; [L180] SORT_1 next_55_arg_1 = input_54; [L181] SORT_1 next_57_arg_1 = input_56; [L182] SORT_1 next_59_arg_1 = input_58; [L183] SORT_1 next_61_arg_1 = input_60; [L184] SORT_1 next_63_arg_1 = var_62; [L185] SORT_3 var_67_arg_0 = input_44; [L186] SORT_3 var_67_arg_1 = var_66; [L187] SORT_4 var_67 = ((SORT_4)var_67_arg_0 << 16) | var_67_arg_1; [L188] SORT_4 var_69_arg_0 = var_67; [L189] var_69_arg_0 = (var_69_arg_0 & msb_SORT_4) ? (var_69_arg_0 | ~mask_SORT_4) : (var_69_arg_0 & mask_SORT_4) [L190] SORT_4 var_69_arg_1 = var_68; [L191] SORT_4 var_69 = (int)var_69_arg_0 >> var_69_arg_1; [L192] var_69 = (var_69_arg_0 & msb_SORT_4) ? (var_69 | ~(mask_SORT_4 >> var_69_arg_1)) : var_69 [L193] var_69 = var_69 & mask_SORT_4 [L194] SORT_4 var_70_arg_0 = var_65; [L195] SORT_4 var_70_arg_1 = var_69; [L196] SORT_1 var_70 = var_70_arg_0 <= var_70_arg_1; [L197] SORT_1 var_71_arg_0 = input_50; [L198] SORT_1 var_71_arg_1 = ~var_70; [L199] var_71_arg_1 = var_71_arg_1 & mask_SORT_1 [L200] SORT_1 var_71 = var_71_arg_0 & var_71_arg_1; [L201] SORT_1 var_72_arg_0 = ~input_64; [L202] var_72_arg_0 = var_72_arg_0 & mask_SORT_1 [L203] SORT_1 var_72_arg_1 = var_71; [L204] SORT_1 var_72 = var_72_arg_0 | var_72_arg_1; [L205] SORT_1 var_73_arg_0 = input_52; [L206] SORT_1 var_73_arg_1 = input_64; [L207] SORT_1 var_73 = var_73_arg_0 | var_73_arg_1; [L208] SORT_1 var_75_arg_0 = var_73; [L209] SORT_1 var_75_arg_1 = ~input_74; [L210] var_75_arg_1 = var_75_arg_1 & mask_SORT_1 [L211] SORT_1 var_75 = var_75_arg_0 | var_75_arg_1; [L212] SORT_1 var_76_arg_0 = var_72; [L213] SORT_1 var_76_arg_1 = var_75; [L214] SORT_1 var_76 = var_76_arg_0 & var_76_arg_1; [L215] SORT_1 var_77_arg_0 = input_54; [L216] SORT_1 var_77_arg_1 = input_74; [L217] SORT_1 var_77 = var_77_arg_0 | var_77_arg_1; [L218] SORT_1 var_79_arg_0 = var_77; [L219] SORT_1 var_79_arg_1 = ~input_78; [L220] var_79_arg_1 = var_79_arg_1 & mask_SORT_1 [L221] SORT_1 var_79 = var_79_arg_0 | var_79_arg_1; [L222] SORT_1 var_80_arg_0 = var_76; [L223] SORT_1 var_80_arg_1 = var_79; [L224] SORT_1 var_80 = var_80_arg_0 & var_80_arg_1; [L225] SORT_1 var_82_arg_0 = input_64; [L226] SORT_3 var_82_arg_1 = input_44; [L227] SORT_3 var_82_arg_2 = input_46; [L228] SORT_3 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L229] SORT_3 var_83_arg_0 = var_82; [L230] SORT_3 var_83_arg_1 = var_66; [L231] SORT_4 var_83 = ((SORT_4)var_83_arg_0 << 16) | var_83_arg_1; [L232] SORT_4 var_84_arg_0 = var_83; [L233] var_84_arg_0 = (var_84_arg_0 & msb_SORT_4) ? (var_84_arg_0 | ~mask_SORT_4) : (var_84_arg_0 & mask_SORT_4) [L234] SORT_4 var_84_arg_1 = var_68; [L235] SORT_4 var_84 = (int)var_84_arg_0 >> var_84_arg_1; [L236] var_84 = (var_84_arg_0 & msb_SORT_4) ? (var_84 | ~(mask_SORT_4 >> var_84_arg_1)) : var_84 [L237] SORT_4 var_85_arg_0 = var_69; [L238] SORT_4 var_85_arg_1 = var_84; [L239] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; [L240] SORT_4 var_86_arg_0 = var_85; [L241] SORT_3 var_86 = var_86_arg_0 >> 0; [L242] SORT_1 var_87_arg_0 = input_74; [L243] SORT_3 var_87_arg_1 = var_86; [L244] SORT_3 var_87_arg_2 = var_82; [L245] SORT_3 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L246] var_87 = var_87 & mask_SORT_3 [L247] SORT_1 var_88_arg_0 = input_78; [L248] SORT_3 var_88_arg_1 = var_87; [L249] SORT_3 var_88_arg_2 = input_44; [L250] SORT_3 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L251] SORT_3 var_89_arg_0 = var_88; [L252] SORT_3 var_89_arg_1 = var_66; [L253] SORT_4 var_89 = ((SORT_4)var_89_arg_0 << 16) | var_89_arg_1; [L254] SORT_4 var_90_arg_0 = var_89; [L255] var_90_arg_0 = (var_90_arg_0 & msb_SORT_4) ? (var_90_arg_0 | ~mask_SORT_4) : (var_90_arg_0 & mask_SORT_4) [L256] SORT_4 var_90_arg_1 = var_68; [L257] SORT_4 var_90 = (int)var_90_arg_0 >> var_90_arg_1; [L258] var_90 = (var_90_arg_0 & msb_SORT_4) ? (var_90 | ~(mask_SORT_4 >> var_90_arg_1)) : var_90 [L259] var_90 = var_90 & mask_SORT_4 [L260] SORT_4 var_91_arg_0 = var_65; [L261] SORT_4 var_91_arg_1 = var_90; [L262] SORT_1 var_91 = var_91_arg_0 <= var_91_arg_1; [L263] SORT_1 var_92_arg_0 = input_56; [L264] SORT_1 var_92_arg_1 = ~var_91; [L265] var_92_arg_1 = var_92_arg_1 & mask_SORT_1 [L266] SORT_1 var_92 = var_92_arg_0 & var_92_arg_1; [L267] SORT_1 var_93_arg_0 = ~input_81; [L268] var_93_arg_0 = var_93_arg_0 & mask_SORT_1 [L269] SORT_1 var_93_arg_1 = var_92; [L270] SORT_1 var_93 = var_93_arg_0 | var_93_arg_1; [L271] SORT_1 var_94_arg_0 = var_80; [L272] SORT_1 var_94_arg_1 = var_93; [L273] SORT_1 var_94 = var_94_arg_0 & var_94_arg_1; [L274] SORT_1 var_95_arg_0 = input_58; [L275] SORT_1 var_95_arg_1 = input_81; [L276] SORT_1 var_95 = var_95_arg_0 | var_95_arg_1; [L277] SORT_1 var_97_arg_0 = var_95; [L278] SORT_1 var_97_arg_1 = ~input_96; [L279] var_97_arg_1 = var_97_arg_1 & mask_SORT_1 [L280] SORT_1 var_97 = var_97_arg_0 | var_97_arg_1; [L281] SORT_1 var_98_arg_0 = var_94; [L282] SORT_1 var_98_arg_1 = var_97; [L283] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L284] SORT_1 var_99_arg_0 = input_60; [L285] SORT_1 var_99_arg_1 = input_96; [L286] SORT_1 var_99 = var_99_arg_0 | var_99_arg_1; [L287] SORT_1 var_101_arg_0 = var_99; [L288] SORT_1 var_101_arg_1 = ~input_100; [L289] var_101_arg_1 = var_101_arg_1 & mask_SORT_1 [L290] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L291] SORT_1 var_102_arg_0 = var_98; [L292] SORT_1 var_102_arg_1 = var_101; [L293] SORT_1 var_102 = var_102_arg_0 & var_102_arg_1; [L294] SORT_1 var_103_arg_0 = input_64; [L295] SORT_1 var_103_arg_1 = input_74; [L296] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L297] SORT_1 var_104_arg_0 = input_78; [L298] SORT_1 var_104_arg_1 = var_103; [L299] SORT_1 var_104 = var_104_arg_0 | var_104_arg_1; [L300] SORT_1 var_105_arg_0 = input_81; [L301] SORT_1 var_105_arg_1 = var_104; [L302] SORT_1 var_105 = var_105_arg_0 | var_105_arg_1; [L303] SORT_1 var_106_arg_0 = input_96; [L304] SORT_1 var_106_arg_1 = var_105; [L305] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L306] SORT_1 var_107_arg_0 = input_100; [L307] SORT_1 var_107_arg_1 = var_106; [L308] SORT_1 var_107 = var_107_arg_0 | var_107_arg_1; [L309] SORT_1 var_108_arg_0 = var_102; [L310] SORT_1 var_108_arg_1 = var_107; [L311] SORT_1 var_108 = var_108_arg_0 & var_108_arg_1; [L312] SORT_1 var_109_arg_0 = input_50; [L313] SORT_1 var_109_arg_1 = input_52; [L314] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L315] SORT_1 var_110_arg_0 = input_50; [L316] SORT_1 var_110_arg_1 = input_52; [L317] SORT_1 var_110 = var_110_arg_0 | var_110_arg_1; [L318] SORT_1 var_111_arg_0 = input_54; [L319] SORT_1 var_111_arg_1 = var_110; [L320] SORT_1 var_111 = var_111_arg_0 & var_111_arg_1; [L321] SORT_1 var_112_arg_0 = var_109; [L322] SORT_1 var_112_arg_1 = var_111; [L323] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L324] SORT_1 var_113_arg_0 = input_54; [L325] SORT_1 var_113_arg_1 = var_110; [L326] SORT_1 var_113 = var_113_arg_0 | var_113_arg_1; [L327] SORT_1 var_114_arg_0 = ~var_112; [L328] var_114_arg_0 = var_114_arg_0 & mask_SORT_1 [L329] SORT_1 var_114_arg_1 = var_113; [L330] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L331] SORT_1 var_115_arg_0 = input_56; [L332] SORT_1 var_115_arg_1 = input_58; [L333] SORT_1 var_115 = var_115_arg_0 & var_115_arg_1; [L334] SORT_1 var_116_arg_0 = input_56; [L335] SORT_1 var_116_arg_1 = input_58; [L336] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L337] SORT_1 var_117_arg_0 = input_60; [L338] SORT_1 var_117_arg_1 = var_116; [L339] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L340] SORT_1 var_118_arg_0 = var_115; [L341] SORT_1 var_118_arg_1 = var_117; [L342] SORT_1 var_118 = var_118_arg_0 | var_118_arg_1; [L343] SORT_1 var_119_arg_0 = var_114; [L344] SORT_1 var_119_arg_1 = ~var_118; [L345] var_119_arg_1 = var_119_arg_1 & mask_SORT_1 [L346] SORT_1 var_119 = var_119_arg_0 & var_119_arg_1; [L347] SORT_1 var_120_arg_0 = input_60; [L348] SORT_1 var_120_arg_1 = var_116; [L349] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L350] SORT_1 var_121_arg_0 = var_119; [L351] SORT_1 var_121_arg_1 = var_120; [L352] SORT_1 var_121 = var_121_arg_0 & var_121_arg_1; [L353] SORT_1 var_122_arg_0 = var_108; [L354] SORT_1 var_122_arg_1 = var_121; [L355] SORT_1 var_122 = var_122_arg_0 & var_122_arg_1; [L356] SORT_1 var_123_arg_0 = var_73; [L357] SORT_1 var_123_arg_1 = ~input_74; [L358] var_123_arg_1 = var_123_arg_1 & mask_SORT_1 [L359] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L360] var_123 = var_123 & mask_SORT_1 [L361] SORT_1 var_124_arg_0 = input_50; [L362] SORT_1 var_124_arg_1 = ~input_64; [L363] var_124_arg_1 = var_124_arg_1 & mask_SORT_1 [L364] SORT_1 var_124 = var_124_arg_0 & var_124_arg_1; [L365] SORT_1 var_125_arg_0 = var_124; [L366] SORT_1 var_125_arg_1 = input_78; [L367] SORT_1 var_125 = var_125_arg_0 | var_125_arg_1; [L368] var_125 = var_125 & mask_SORT_1 [L369] SORT_1 var_126_arg_0 = var_123; [L370] SORT_1 var_126_arg_1 = var_125; [L371] SORT_1 var_126 = var_126_arg_0 & var_126_arg_1; [L372] SORT_1 var_127_arg_0 = var_77; [L373] SORT_1 var_127_arg_1 = ~input_78; [L374] var_127_arg_1 = var_127_arg_1 & mask_SORT_1 [L375] SORT_1 var_127 = var_127_arg_0 & var_127_arg_1; [L376] var_127 = var_127 & mask_SORT_1 [L377] SORT_1 var_128_arg_0 = var_123; [L378] SORT_1 var_128_arg_1 = var_125; [L379] SORT_1 var_128 = var_128_arg_0 | var_128_arg_1; [L380] SORT_1 var_129_arg_0 = var_127; [L381] SORT_1 var_129_arg_1 = var_128; [L382] SORT_1 var_129 = var_129_arg_0 & var_129_arg_1; [L383] SORT_1 var_130_arg_0 = var_126; [L384] SORT_1 var_130_arg_1 = var_129; [L385] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L386] SORT_1 var_131_arg_0 = var_127; [L387] SORT_1 var_131_arg_1 = var_128; [L388] SORT_1 var_131 = var_131_arg_0 | var_131_arg_1; [L389] SORT_1 var_132_arg_0 = ~var_130; [L390] var_132_arg_0 = var_132_arg_0 & mask_SORT_1 [L391] SORT_1 var_132_arg_1 = var_131; [L392] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L393] SORT_1 var_133_arg_0 = var_95; [L394] SORT_1 var_133_arg_1 = ~input_96; [L395] var_133_arg_1 = var_133_arg_1 & mask_SORT_1 [L396] SORT_1 var_133 = var_133_arg_0 & var_133_arg_1; [L397] var_133 = var_133 & mask_SORT_1 [L398] SORT_1 var_134_arg_0 = input_56; [L399] SORT_1 var_134_arg_1 = ~input_81; [L400] var_134_arg_1 = var_134_arg_1 & mask_SORT_1 [L401] SORT_1 var_134 = var_134_arg_0 & var_134_arg_1; [L402] SORT_1 var_135_arg_0 = var_134; [L403] SORT_1 var_135_arg_1 = input_100; [L404] SORT_1 var_135 = var_135_arg_0 | var_135_arg_1; [L405] var_135 = var_135 & mask_SORT_1 [L406] SORT_1 var_136_arg_0 = var_133; [L407] SORT_1 var_136_arg_1 = var_135; [L408] SORT_1 var_136 = var_136_arg_0 & var_136_arg_1; [L409] SORT_1 var_137_arg_0 = var_99; [L410] SORT_1 var_137_arg_1 = ~input_100; [L411] var_137_arg_1 = var_137_arg_1 & mask_SORT_1 [L412] SORT_1 var_137 = var_137_arg_0 & var_137_arg_1; [L413] var_137 = var_137 & mask_SORT_1 [L414] SORT_1 var_138_arg_0 = var_133; [L415] SORT_1 var_138_arg_1 = var_135; [L416] SORT_1 var_138 = var_138_arg_0 | var_138_arg_1; [L417] SORT_1 var_139_arg_0 = var_137; [L418] SORT_1 var_139_arg_1 = var_138; [L419] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L420] SORT_1 var_140_arg_0 = var_136; [L421] SORT_1 var_140_arg_1 = var_139; [L422] SORT_1 var_140 = var_140_arg_0 | var_140_arg_1; [L423] SORT_1 var_141_arg_0 = var_132; [L424] SORT_1 var_141_arg_1 = ~var_140; [L425] var_141_arg_1 = var_141_arg_1 & mask_SORT_1 [L426] SORT_1 var_141 = var_141_arg_0 & var_141_arg_1; [L427] SORT_1 var_142_arg_0 = var_137; [L428] SORT_1 var_142_arg_1 = var_138; [L429] SORT_1 var_142 = var_142_arg_0 | var_142_arg_1; [L430] SORT_1 var_143_arg_0 = var_141; [L431] SORT_1 var_143_arg_1 = var_142; [L432] SORT_1 var_143 = var_143_arg_0 & var_143_arg_1; [L433] SORT_1 var_144_arg_0 = var_122; [L434] SORT_1 var_144_arg_1 = var_143; [L435] SORT_1 var_144 = var_144_arg_0 & var_144_arg_1; [L436] SORT_1 var_145_arg_0 = input_81; [L437] SORT_3 var_145_arg_1 = var_88; [L438] SORT_3 var_145_arg_2 = input_48; [L439] SORT_3 var_145 = var_145_arg_0 ? var_145_arg_1 : var_145_arg_2; [L440] SORT_3 var_146_arg_0 = var_145; [L441] SORT_3 var_146_arg_1 = var_66; [L442] SORT_4 var_146 = ((SORT_4)var_146_arg_0 << 16) | var_146_arg_1; [L443] SORT_4 var_147_arg_0 = var_146; [L444] var_147_arg_0 = (var_147_arg_0 & msb_SORT_4) ? (var_147_arg_0 | ~mask_SORT_4) : (var_147_arg_0 & mask_SORT_4) [L445] SORT_4 var_147_arg_1 = var_68; [L446] SORT_4 var_147 = (int)var_147_arg_0 >> var_147_arg_1; [L447] var_147 = (var_147_arg_0 & msb_SORT_4) ? (var_147 | ~(mask_SORT_4 >> var_147_arg_1)) : var_147 [L448] SORT_4 var_148_arg_0 = var_90; [L449] SORT_4 var_148_arg_1 = var_147; [L450] SORT_4 var_148 = var_148_arg_0 + var_148_arg_1; [L451] SORT_4 var_149_arg_0 = var_148; [L452] SORT_3 var_149 = var_149_arg_0 >> 0; [L453] SORT_1 var_150_arg_0 = input_96; [L454] SORT_3 var_150_arg_1 = var_149; [L455] SORT_3 var_150_arg_2 = var_145; [L456] SORT_3 var_150 = var_150_arg_0 ? var_150_arg_1 : var_150_arg_2; [L457] var_150 = var_150 & mask_SORT_3 [L458] SORT_1 var_151_arg_0 = input_100; [L459] SORT_3 var_151_arg_1 = var_150; [L460] SORT_3 var_151_arg_2 = var_88; [L461] SORT_3 var_151 = var_151_arg_0 ? var_151_arg_1 : var_151_arg_2; [L462] var_151 = var_151 & mask_SORT_3 [L463] SORT_3 var_152_arg_0 = var_151; [L464] SORT_3 var_152_arg_1 = state_6; [L465] SORT_1 var_152 = var_152_arg_0 == var_152_arg_1; [L466] SORT_1 var_153_arg_0 = var_144; [L467] SORT_1 var_153_arg_1 = var_152; [L468] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L469] SORT_3 var_154_arg_0 = var_87; [L470] SORT_3 var_154_arg_1 = state_8; [L471] SORT_1 var_154 = var_154_arg_0 == var_154_arg_1; [L472] SORT_1 var_155_arg_0 = var_153; [L473] SORT_1 var_155_arg_1 = var_154; [L474] SORT_1 var_155 = var_155_arg_0 & var_155_arg_1; [L475] SORT_3 var_156_arg_0 = var_150; [L476] SORT_3 var_156_arg_1 = state_10; [L477] SORT_1 var_156 = var_156_arg_0 == var_156_arg_1; [L478] SORT_1 var_157_arg_0 = var_155; [L479] SORT_1 var_157_arg_1 = var_156; [L480] SORT_1 var_157 = var_157_arg_0 & var_157_arg_1; [L481] SORT_1 var_158_arg_0 = var_125; [L482] SORT_1 var_158_arg_1 = state_13; [L483] SORT_1 var_158 = var_158_arg_0 == var_158_arg_1; [L484] SORT_1 var_159_arg_0 = var_157; [L485] SORT_1 var_159_arg_1 = var_158; [L486] SORT_1 var_159 = var_159_arg_0 & var_159_arg_1; [L487] SORT_1 var_160_arg_0 = var_123; [L488] SORT_1 var_160_arg_1 = state_15; [L489] SORT_1 var_160 = var_160_arg_0 == var_160_arg_1; [L490] SORT_1 var_161_arg_0 = var_159; [L491] SORT_1 var_161_arg_1 = var_160; [L492] SORT_1 var_161 = var_161_arg_0 & var_161_arg_1; [L493] SORT_1 var_162_arg_0 = var_127; [L494] SORT_1 var_162_arg_1 = state_17; [L495] SORT_1 var_162 = var_162_arg_0 == var_162_arg_1; [L496] SORT_1 var_163_arg_0 = var_161; [L497] SORT_1 var_163_arg_1 = var_162; [L498] SORT_1 var_163 = var_163_arg_0 & var_163_arg_1; [L499] SORT_1 var_164_arg_0 = var_135; [L500] SORT_1 var_164_arg_1 = state_19; [L501] SORT_1 var_164 = var_164_arg_0 == var_164_arg_1; [L502] SORT_1 var_165_arg_0 = var_163; [L503] SORT_1 var_165_arg_1 = var_164; [L504] SORT_1 var_165 = var_165_arg_0 & var_165_arg_1; [L505] SORT_1 var_166_arg_0 = var_133; [L506] SORT_1 var_166_arg_1 = state_21; [L507] SORT_1 var_166 = var_166_arg_0 == var_166_arg_1; [L508] SORT_1 var_167_arg_0 = var_165; [L509] SORT_1 var_167_arg_1 = var_166; [L510] SORT_1 var_167 = var_167_arg_0 & var_167_arg_1; [L511] SORT_1 var_168_arg_0 = var_137; [L512] SORT_1 var_168_arg_1 = state_23; [L513] SORT_1 var_168 = var_168_arg_0 == var_168_arg_1; [L514] SORT_1 var_169_arg_0 = var_167; [L515] SORT_1 var_169_arg_1 = var_168; [L516] SORT_1 var_169 = var_169_arg_0 & var_169_arg_1; [L517] SORT_1 var_170_arg_0 = var_169; [L518] SORT_1 var_170_arg_1 = state_27; [L519] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L520] SORT_4 var_172_arg_0 = var_171; [L521] SORT_4 var_172_arg_1 = var_69; [L522] SORT_1 var_172 = var_172_arg_0 == var_172_arg_1; [L523] SORT_1 var_173_arg_0 = state_25; [L524] SORT_1 var_173_arg_1 = var_170; [L525] SORT_1 var_173_arg_2 = var_172; [L526] SORT_1 var_173 = var_173_arg_0 ? var_173_arg_1 : var_173_arg_2; [L527] SORT_1 next_174_arg_1 = var_173; [L529] state_6 = next_45_arg_1 [L530] state_8 = next_47_arg_1 [L531] state_10 = next_49_arg_1 [L532] state_13 = next_51_arg_1 [L533] state_15 = next_53_arg_1 [L534] state_17 = next_55_arg_1 [L535] state_19 = next_57_arg_1 [L536] state_21 = next_59_arg_1 [L537] state_23 = next_61_arg_1 [L538] state_25 = next_63_arg_1 [L539] state_27 = next_174_arg_1 VAL [bad_43_arg_0=0, init_11_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_100=4, input_44=1, input_46=0, input_48=0, input_50=247, input_52=24, input_54=21, input_56=2, input_58=0, input_60=3, input_64=0, input_74=0, input_78=0, input_81=0, input_96=4, mask_SORT_1=1, mask_SORT_2=31, mask_SORT_3=65535, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=16, msb_SORT_3=32768, msb_SORT_4=2147483648, next_174_arg_1=1, next_45_arg_1=1, next_47_arg_1=0, next_49_arg_1=0, next_51_arg_1=247, next_53_arg_1=24, next_55_arg_1=21, next_57_arg_1=2, next_59_arg_1=0, next_61_arg_1=3, next_63_arg_1=1, state_10=0, state_13=247, state_15=24, state_17=21, state_19=2, state_21=0, state_23=3, state_25=1, state_27=1, state_6=1, state_8=0, var_101=4, var_101_arg_0=4, var_101_arg_1=4, var_102=0, var_102_arg_0=0, var_102_arg_1=4, var_103=0, var_103_arg_0=0, var_103_arg_1=0, var_104=0, var_104_arg_0=0, var_104_arg_1=0, var_105=0, var_105_arg_0=0, var_105_arg_1=0, var_106=4, var_106_arg_0=4, var_106_arg_1=0, var_107=4, var_107_arg_0=4, var_107_arg_1=4, var_108=0, var_108_arg_0=0, var_108_arg_1=4, var_109=247, var_109_arg_0=247, var_109_arg_1=24, var_110=23, var_110_arg_0=247, var_110_arg_1=24, var_111=0, var_111_arg_0=21, var_111_arg_1=23, var_112=247, var_112_arg_0=247, var_112_arg_1=0, var_113=23, var_113_arg_0=21, var_113_arg_1=23, var_114=23, var_114_arg_0=23, var_114_arg_1=23, var_115=0, var_115_arg_0=2, var_115_arg_1=0, var_116=2, var_116_arg_0=2, var_116_arg_1=0, var_117=0, var_117_arg_0=3, var_117_arg_1=2, var_118=0, var_118_arg_0=0, var_118_arg_1=0, var_119=3, var_119_arg_0=23, var_119_arg_1=45, var_12=0, var_120=3, var_120_arg_0=3, var_120_arg_1=2, var_121=3, var_121_arg_0=3, var_121_arg_1=3, var_122=0, var_122_arg_0=0, var_122_arg_1=3, var_123=0, var_123_arg_0=24, var_123_arg_1=255, var_124=0, var_124_arg_0=247, var_124_arg_1=0, var_125=0, var_125_arg_0=0, var_125_arg_1=0, var_126=0, var_126_arg_0=0, var_126_arg_1=0, var_127=1, var_127_arg_0=21, var_127_arg_1=21, var_128=0, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=1, var_129_arg_1=0, var_130=0, var_130_arg_0=0, var_130_arg_1=0, var_131=1, var_131_arg_0=1, var_131_arg_1=0, var_132=0, var_132_arg_0=20, var_132_arg_1=1, var_133=0, var_133_arg_0=0, var_133_arg_1=0, var_134=0, var_134_arg_0=2, var_134_arg_1=255, var_135=255, var_135_arg_0=0, var_135_arg_1=4, var_136=0, var_136_arg_0=0, var_136_arg_1=255, var_137=11, var_137_arg_0=4, var_137_arg_1=254, var_138=255, var_138_arg_0=0, var_138_arg_1=255, var_139=0, var_139_arg_0=11, var_139_arg_1=255, var_140=0, var_140_arg_0=0, var_140_arg_1=0, var_141=0, var_141_arg_0=0, var_141_arg_1=255, var_142=255, var_142_arg_0=11, var_142_arg_1=255, var_143=0, var_143_arg_0=0, var_143_arg_1=255, var_144=0, var_144_arg_0=0, var_144_arg_1=0, var_145=0, var_145_arg_0=0, var_145_arg_1=1, var_145_arg_2=0, var_146=0, var_146_arg_0=0, var_146_arg_1=0, var_147=2, var_147_arg_0=0, var_147_arg_1=16, var_148=4294967294, var_148_arg_0=4294967292, var_148_arg_1=2, var_149=65534, var_149_arg_0=4294967294, var_150=0, var_150_arg_0=4, var_150_arg_1=65534, var_150_arg_2=0, var_151=0, var_151_arg_0=4, var_151_arg_1=0, var_151_arg_2=1, var_152=1, var_152_arg_0=0, var_152_arg_1=0, var_153=0, var_153_arg_0=0, var_153_arg_1=1, var_154=1, var_154_arg_0=0, var_154_arg_1=0, var_155=0, var_155_arg_0=0, var_155_arg_1=1, var_156=1, var_156_arg_0=0, var_156_arg_1=0, var_157=0, var_157_arg_0=0, var_157_arg_1=1, var_158=1, var_158_arg_0=0, var_158_arg_1=0, var_159=0, var_159_arg_0=0, var_159_arg_1=1, var_160=1, var_160_arg_0=0, var_160_arg_1=0, var_161=0, var_161_arg_0=0, var_161_arg_1=1, var_162=0, var_162_arg_0=1, var_162_arg_1=0, var_163=0, var_163_arg_0=0, var_163_arg_1=0, var_164=0, var_164_arg_0=255, var_164_arg_1=0, var_165=0, var_165_arg_0=0, var_165_arg_1=0, var_166=1, var_166_arg_0=0, var_166_arg_1=0, var_167=0, var_167_arg_0=0, var_167_arg_1=1, var_168=0, var_168_arg_0=11, var_168_arg_1=0, var_169=0, var_169_arg_0=0, var_169_arg_1=0, var_170=0, var_170_arg_0=0, var_170_arg_1=0, var_171=749, var_172=1, var_172_arg_0=749, var_172_arg_1=749, var_173=1, var_173_arg_0=0, var_173_arg_1=0, var_173_arg_2=1, var_29=0, var_29_arg_0=0, var_29_arg_1=0, var_30=0, var_30_arg_0=0, var_30_arg_1=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_32=0, var_32_arg_0=0, var_32_arg_1=0, var_33=0, var_33_arg_0=0, var_33_arg_1=6, var_34=1, var_35=0, var_35_arg_0=1, var_35_arg_1=0, var_36=0, var_36_arg_0=0, var_36_arg_1=0, var_37=0, var_38=1, var_38_arg_0=0, var_38_arg_1=0, var_39=0, var_39_arg_0=0, var_39_arg_1=1, var_40=1, var_40_arg_0=0, var_40_arg_1=0, var_41=0, var_41_arg_0=0, var_41_arg_1=1, var_42=0, var_42_arg_0=0, var_42_arg_1=0, var_5=0, var_62=1, var_65=400, var_66=0, var_67=65536, var_67_arg_0=1, var_67_arg_1=0, var_68=16, var_69=749, var_69_arg_0=2147483655, var_69_arg_1=16, var_70=1, var_70_arg_0=400, var_70_arg_1=749, var_71=249, var_71_arg_0=247, var_71_arg_1=18, var_72=249, var_72_arg_0=0, var_72_arg_1=249, var_73=24, var_73_arg_0=24, var_73_arg_1=0, var_75=24, var_75_arg_0=24, var_75_arg_1=24, var_76=0, var_76_arg_0=249, var_76_arg_1=24, var_77=21, var_77_arg_0=21, var_77_arg_1=0, var_79=19, var_79_arg_0=21, var_79_arg_1=19, var_80=0, var_80_arg_0=0, var_80_arg_1=19, var_82=0, var_82_arg_0=0, var_82_arg_1=1, var_82_arg_2=0, var_83=0, var_83_arg_0=0, var_83_arg_1=0, var_84=326931, var_84_arg_0=0, var_84_arg_1=16, var_85=327680, var_85_arg_0=749, var_85_arg_1=326931, var_86=0, var_86_arg_0=327680, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_88=1, var_88_arg_0=0, var_88_arg_1=0, var_88_arg_2=1, var_89=65536, var_89_arg_0=1, var_89_arg_1=0, var_90=4294967292, var_90_arg_0=2147483664, var_90_arg_1=16, var_91=1, var_91_arg_0=400, var_91_arg_1=4294967292, var_92=0, var_92_arg_0=2, var_92_arg_1=22, var_93=12, var_93_arg_0=12, var_93_arg_1=0, var_94=0, var_94_arg_0=0, var_94_arg_1=12, var_95=0, var_95_arg_0=0, var_95_arg_1=0, var_97=10, var_97_arg_0=0, var_97_arg_1=10, var_98=0, var_98_arg_0=0, var_98_arg_1=10, var_99=4, var_99_arg_0=3, var_99_arg_1=4] [L99] input_44 = __VERIFIER_nondet_ushort() [L100] input_44 = input_44 & mask_SORT_3 [L101] input_46 = __VERIFIER_nondet_ushort() [L102] input_46 = input_46 & mask_SORT_3 [L103] input_48 = __VERIFIER_nondet_ushort() [L104] input_48 = input_48 & mask_SORT_3 [L105] input_50 = __VERIFIER_nondet_uchar() [L106] input_50 = input_50 & mask_SORT_1 [L107] input_52 = __VERIFIER_nondet_uchar() [L108] input_52 = input_52 & mask_SORT_1 [L109] input_54 = __VERIFIER_nondet_uchar() [L110] input_54 = input_54 & mask_SORT_1 [L111] input_56 = __VERIFIER_nondet_uchar() [L112] input_56 = input_56 & mask_SORT_1 [L113] input_58 = __VERIFIER_nondet_uchar() [L114] input_58 = input_58 & mask_SORT_1 [L115] input_60 = __VERIFIER_nondet_uchar() [L116] input_60 = input_60 & mask_SORT_1 [L117] input_64 = __VERIFIER_nondet_uchar() [L118] input_64 = input_64 & mask_SORT_1 [L119] input_74 = __VERIFIER_nondet_uchar() [L120] input_74 = input_74 & mask_SORT_1 [L121] input_78 = __VERIFIER_nondet_uchar() [L122] input_78 = input_78 & mask_SORT_1 [L123] input_81 = __VERIFIER_nondet_uchar() [L124] input_81 = input_81 & mask_SORT_1 [L125] input_96 = __VERIFIER_nondet_uchar() [L126] input_96 = input_96 & mask_SORT_1 [L127] input_100 = __VERIFIER_nondet_uchar() [L128] input_100 = input_100 & mask_SORT_1 [L131] SORT_1 var_29_arg_0 = state_13; [L132] SORT_1 var_29_arg_1 = ~state_15; [L133] var_29_arg_1 = var_29_arg_1 & mask_SORT_1 [L134] SORT_1 var_29 = var_29_arg_0 & var_29_arg_1; [L135] SORT_1 var_30_arg_0 = var_29; [L136] SORT_1 var_30_arg_1 = ~state_17; [L137] var_30_arg_1 = var_30_arg_1 & mask_SORT_1 [L138] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L139] SORT_1 var_31_arg_0 = var_30; [L140] SORT_1 var_31_arg_1 = state_19; [L141] SORT_1 var_31 = var_31_arg_0 & var_31_arg_1; [L142] SORT_1 var_32_arg_0 = var_31; [L143] SORT_1 var_32_arg_1 = ~state_21; [L144] var_32_arg_1 = var_32_arg_1 & mask_SORT_1 [L145] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L146] SORT_1 var_33_arg_0 = var_32; [L147] SORT_1 var_33_arg_1 = ~state_23; [L148] var_33_arg_1 = var_33_arg_1 & mask_SORT_1 [L149] SORT_1 var_33 = var_33_arg_0 & var_33_arg_1; [L150] SORT_3 var_35_arg_0 = var_34; [L151] SORT_3 var_35_arg_1 = state_6; [L152] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L153] SORT_1 var_36_arg_0 = var_33; [L154] SORT_1 var_36_arg_1 = var_35; [L155] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L156] SORT_3 var_38_arg_0 = var_37; [L157] SORT_3 var_38_arg_1 = state_8; [L158] SORT_1 var_38 = var_38_arg_0 == var_38_arg_1; [L159] SORT_1 var_39_arg_0 = var_36; [L160] SORT_1 var_39_arg_1 = var_38; [L161] SORT_1 var_39 = var_39_arg_0 & var_39_arg_1; [L162] SORT_3 var_40_arg_0 = var_37; [L163] SORT_3 var_40_arg_1 = state_10; [L164] SORT_1 var_40 = var_40_arg_0 == var_40_arg_1; [L165] SORT_1 var_41_arg_0 = var_39; [L166] SORT_1 var_41_arg_1 = var_40; [L167] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; [L168] SORT_1 var_42_arg_0 = state_27; [L169] SORT_1 var_42_arg_1 = var_41; [L170] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L171] var_42 = var_42 & mask_SORT_1 [L172] SORT_1 bad_43_arg_0 = var_42; [L173] CALL __VERIFIER_assert(!(bad_43_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.4s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 7 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 3 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=1, InterpolantAutomatonStates: 5, 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, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 4.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-12-14 09:51:10,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 0869cbb055e5b6c4fb0e66b12725080121bd9c147f0a6b4b59f01091060f4b75 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 09:51:12,336 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 09:51:12,337 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 09:51:12,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 09:51:12,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 09:51:12,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 09:51:12,358 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 09:51:12,360 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 09:51:12,362 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 09:51:12,362 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 09:51:12,363 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 09:51:12,364 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 09:51:12,365 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 09:51:12,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 09:51:12,367 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 09:51:12,368 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 09:51:12,369 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 09:51:12,370 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 09:51:12,371 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 09:51:12,373 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 09:51:12,375 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 09:51:12,376 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 09:51:12,377 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 09:51:12,378 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 09:51:12,381 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 09:51:12,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 09:51:12,382 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 09:51:12,382 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 09:51:12,383 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 09:51:12,384 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 09:51:12,384 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 09:51:12,385 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 09:51:12,385 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 09:51:12,386 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 09:51:12,391 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 09:51:12,392 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 09:51:12,392 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 09:51:12,393 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 09:51:12,393 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 09:51:12,394 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 09:51:12,394 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 09:51:12,395 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-12-14 09:51:12,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 09:51:12,418 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 09:51:12,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 09:51:12,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 09:51:12,419 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 09:51:12,419 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 09:51:12,419 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 09:51:12,420 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 09:51:12,420 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 09:51:12,420 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 09:51:12,420 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 09:51:12,420 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 09:51:12,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 09:51:12,421 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 09:51:12,421 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 09:51:12,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 09:51:12,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 09:51:12,422 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-14 09:51:12,422 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-14 09:51:12,422 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-14 09:51:12,423 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 09:51:12,423 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 09:51:12,423 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 09:51:12,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 09:51:12,423 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-14 09:51:12,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 09:51:12,424 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:51:12,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 09:51:12,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 09:51:12,424 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 09:51:12,425 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-12-14 09:51:12,425 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-14 09:51:12,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 09:51:12,425 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 09:51:12,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-14 09:51:12,426 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0869cbb055e5b6c4fb0e66b12725080121bd9c147f0a6b4b59f01091060f4b75 [2022-12-14 09:51:12,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 09:51:12,675 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 09:51:12,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 09:51:12,678 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 09:51:12,678 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 09:51:12,679 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:51:15,340 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 09:51:15,488 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 09:51:15,488 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:51:15,496 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/24dc68268/2f83b8157a7b43cdb150b9a1dc467e84/FLAG05b79399b [2022-12-14 09:51:15,510 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/data/24dc68268/2f83b8157a7b43cdb150b9a1dc467e84 [2022-12-14 09:51:15,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 09:51:15,513 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 09:51:15,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 09:51:15,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 09:51:15,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 09:51:15,519 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,520 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2805b780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15, skipping insertion in model container [2022-12-14 09:51:15,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 09:51:15,562 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 09:51:15,660 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_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1014,1027] [2022-12-14 09:51:15,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:51:15,752 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 09:51:15,760 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_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.adding.4.prop1-back-serstep.c[1014,1027] [2022-12-14 09:51:15,811 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 09:51:15,826 INFO L208 MainTranslator]: Completed translation [2022-12-14 09:51:15,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15 WrapperNode [2022-12-14 09:51:15,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 09:51:15,827 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 09:51:15,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 09:51:15,828 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 09:51:15,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,844 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,869 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 541 [2022-12-14 09:51:15,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 09:51:15,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 09:51:15,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 09:51:15,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 09:51:15,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,895 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 09:51:15,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 09:51:15,901 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 09:51:15,901 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 09:51:15,902 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (1/1) ... [2022-12-14 09:51:15,906 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 09:51:15,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:51:15,927 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 09:51:15,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 09:51:15,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 09:51:15,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 09:51:16,096 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 09:51:16,098 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 09:51:16,492 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 09:51:16,497 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 09:51:16,497 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 09:51:16,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:16 BoogieIcfgContainer [2022-12-14 09:51:16,499 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 09:51:16,500 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 09:51:16,500 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 09:51:16,503 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 09:51:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 09:51:15" (1/3) ... [2022-12-14 09:51:16,503 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bba2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:16, skipping insertion in model container [2022-12-14 09:51:16,503 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 09:51:15" (2/3) ... [2022-12-14 09:51:16,504 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20bba2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 09:51:16, skipping insertion in model container [2022-12-14 09:51:16,504 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 09:51:16" (3/3) ... [2022-12-14 09:51:16,505 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.adding.4.prop1-back-serstep.c [2022-12-14 09:51:16,517 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 09:51:16,518 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-14 09:51:16,550 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 09:51:16,554 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@415e2ec8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 09:51:16,554 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-14 09:51:16,557 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:16,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 09:51:16,562 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:16,562 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 09:51:16,563 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:51:16,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:16,566 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-14 09:51:16,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:51:16,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1763291429] [2022-12-14 09:51:16,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:16,576 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:51:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:51:16,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:51:16,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-14 09:51:16,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:16,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-14 09:51:16,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:51:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:16,751 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 09:51:16,752 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:51:16,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1763291429] [2022-12-14 09:51:16,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1763291429] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 09:51:16,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 09:51:16,753 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-14 09:51:16,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403561061] [2022-12-14 09:51:16,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 09:51:16,757 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-14 09:51:16,758 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:51:16,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-14 09:51:16,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-14 09:51:16,781 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:16,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:16,878 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-14 09:51:16,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 09:51:16,880 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 09:51:16,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:16,885 INFO L225 Difference]: With dead ends: 20 [2022-12-14 09:51:16,885 INFO L226 Difference]: Without dead ends: 11 [2022-12-14 09:51:16,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-14 09:51:16,890 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:16,890 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 09:51:16,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-14 09:51:16,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-14 09:51:16,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:16,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-14 09:51:16,914 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-14 09:51:16,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:16,914 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-14 09:51:16,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:16,915 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-14 09:51:16,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 09:51:16,915 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:16,915 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-14 09:51:16,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-14 09:51:17,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:51:17,116 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:51:17,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:17,117 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-14 09:51:17,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:51:17,118 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747041921] [2022-12-14 09:51:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:17,118 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:51:17,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:51:17,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:51:17,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-14 09:51:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:17,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 40 conjunts are in the unsatisfiable core [2022-12-14 09:51:17,386 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:51:17,912 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:17,913 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:51:25,117 WARN L233 SmtUtils]: Spent 6.37s on a formula simplification. DAG size of input: 89 DAG size of output: 80 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-12-14 09:51:25,255 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:25,255 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-12-14 09:51:25,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747041921] [2022-12-14 09:51:25,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747041921] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:51:25,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [82348107] [2022-12-14 09:51:25,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:25,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-12-14 09:51:25,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/cvc4 [2022-12-14 09:51:25,257 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-12-14 09:51:25,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-12-14 09:51:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:25,633 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 42 conjunts are in the unsatisfiable core [2022-12-14 09:51:25,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:51:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:25,915 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:51:28,112 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:28,112 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [82348107] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:51:28,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1454565510] [2022-12-14 09:51:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 09:51:28,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:51:28,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 09:51:28,114 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 09:51:28,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 09:51:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 09:51:28,278 INFO L263 TraceCheckSpWp]: Trace formula consists of 480 conjuncts, 43 conjunts are in the unsatisfiable core [2022-12-14 09:51:28,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 09:51:28,539 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:28,539 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 09:51:36,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 09:51:36,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1454565510] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 09:51:36,194 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-12-14 09:51:36,194 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 14 [2022-12-14 09:51:36,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805066714] [2022-12-14 09:51:36,195 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-12-14 09:51:36,195 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-12-14 09:51:36,195 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-12-14 09:51:36,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-12-14 09:51:36,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=132, Unknown=2, NotChecked=0, Total=182 [2022-12-14 09:51:36,197 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:36,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 09:51:36,629 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-14 09:51:36,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-12-14 09:51:36,629 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-12-14 09:51:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 09:51:36,630 INFO L225 Difference]: With dead ends: 16 [2022-12-14 09:51:36,630 INFO L226 Difference]: Without dead ends: 14 [2022-12-14 09:51:36,630 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 28 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 1 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 15.1s TimeCoverageRelationStatistics Valid=82, Invalid=188, Unknown=2, NotChecked=0, Total=272 [2022-12-14 09:51:36,631 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 15 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 09:51:36,631 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 27 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 09:51:36,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-14 09:51:36,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-14 09:51:36,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:36,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-14 09:51:36,634 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-14 09:51:36,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 09:51:36,634 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-14 09:51:36,634 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 2.142857142857143) internal successors, (30), 14 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 09:51:36,634 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-14 09:51:36,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-14 09:51:36,634 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 09:51:36,634 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-14 09:51:36,638 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2022-12-14 09:51:36,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-12-14 09:51:37,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 09:51:37,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 09:51:37,238 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-14 09:51:37,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 09:51:37,240 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-14 09:51:37,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-12-14 09:51:37,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [953078504] [2022-12-14 09:51:37,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-14 09:51:37,245 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-14 09:51:37,245 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat [2022-12-14 09:51:37,248 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-14 09:51:37,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4d5328a-a13e-47ae-aeca-d65cea29f7cd/bin/utaipan-gh47qXpMRh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-12-14 09:51:37,557 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-14 09:51:37,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-14 09:51:37,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 862 conjuncts, 221 conjunts are in the unsatisfiable core [2022-12-14 09:51:37,587 INFO L286 TraceCheckSpWp]: Computing forward predicates...