./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW --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 aa839a4e8ed9339d6ad436e2f1e2721e6ff88794668222413ef781c5602de5f5 --- 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-4e7fbc6 [2022-11-23 15:39:24,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:39:24,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:39:24,571 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:39:24,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:39:24,573 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:39:24,574 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:39:24,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:39:24,578 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:39:24,579 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:39:24,580 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:39:24,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:39:24,582 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:39:24,583 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:39:24,584 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:39:24,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:39:24,586 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:39:24,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:39:24,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:39:24,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:39:24,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:39:24,600 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:39:24,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:39:24,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:39:24,610 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:39:24,613 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:39:24,614 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:39:24,615 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:39:24,616 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:39:24,617 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:39:24,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:39:24,630 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:39:24,631 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:39:24,632 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:39:24,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:39:24,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:39:24,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:39:24,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:39:24,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:39:24,637 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:39:24,639 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:39:24,640 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:39:24,676 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:39:24,676 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:39:24,677 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:39:24,677 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:39:24,678 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:39:24,679 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:39:24,679 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:39:24,679 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:39:24,679 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:39:24,679 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:39:24,681 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:39:24,681 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:39:24,681 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:39:24,681 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:39:24,681 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:39:24,682 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:39:24,682 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:39:24,682 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:39:24,683 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:39:24,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:39:24,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:39:24,684 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:39:24,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:39:24,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:39:24,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:39:24,684 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:39:24,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:39:24,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:39:24,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:39:24,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:24,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:39:24,686 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:39:24,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:39:24,686 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:39:24,687 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:39:24,687 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:39:24,687 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:39:24,687 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:39:24,687 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_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa839a4e8ed9339d6ad436e2f1e2721e6ff88794668222413ef781c5602de5f5 [2022-11-23 15:39:24,992 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:39:25,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:39:25,035 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:39:25,037 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:39:25,037 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:39:25,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:39:28,155 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:39:28,450 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:39:28,459 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:39:28,475 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/a40ef01a9/6b5ecb7b287c4596b81df1a644851a0e/FLAG21d01b427 [2022-11-23 15:39:28,491 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/a40ef01a9/6b5ecb7b287c4596b81df1a644851a0e [2022-11-23 15:39:28,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:39:28,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:39:28,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:28,505 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:39:28,509 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:39:28,510 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:28" (1/1) ... [2022-11-23 15:39:28,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a4fedd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:28, skipping insertion in model container [2022-11-23 15:39:28,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:39:28" (1/1) ... [2022-11-23 15:39:28,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:39:28,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:39:28,749 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_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1014,1027] [2022-11-23 15:39:29,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:29,056 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:39:29,067 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_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1014,1027] [2022-11-23 15:39:29,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:39:29,229 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:39:29,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29 WrapperNode [2022-11-23 15:39:29,230 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:39:29,231 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:29,232 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:39:29,232 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:39:29,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,293 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,435 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 936 [2022-11-23 15:39:29,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:39:29,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:39:29,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:39:29,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:39:29,448 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,456 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,502 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,541 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:39:29,558 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:39:29,558 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:39:29,559 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:39:29,559 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (1/1) ... [2022-11-23 15:39:29,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:39:29,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:39:29,603 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:39:29,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:39:29,651 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:39:29,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:39:30,039 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:39:30,053 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:40:10,516 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:40:10,540 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:40:10,541 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:40:10,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:10 BoogieIcfgContainer [2022-11-23 15:40:10,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:40:10,546 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:40:10,546 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:40:10,549 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:40:10,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:39:28" (1/3) ... [2022-11-23 15:40:10,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d099db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:10, skipping insertion in model container [2022-11-23 15:40:10,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:39:29" (2/3) ... [2022-11-23 15:40:10,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33d099db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:10, skipping insertion in model container [2022-11-23 15:40:10,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:10" (3/3) ... [2022-11-23 15:40:10,553 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:40:10,572 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:40:10,573 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:40:10,618 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:40:10,625 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;@77d6fef1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:40:10,626 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:40:10,630 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.6) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:10,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-23 15:40:10,636 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:10,637 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-23 15:40:10,637 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:10,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:10,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1827279, now seen corresponding path program 1 times [2022-11-23 15:40:10,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:10,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393153562] [2022-11-23 15:40:10,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:10,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:10,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:11,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:11,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:40:11,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393153562] [2022-11-23 15:40:11,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393153562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:11,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:11,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:40:11,602 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007184152] [2022-11-23 15:40:11,603 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:11,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:40:11,608 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:40:11,640 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:40:11,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:40:11,644 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) [2022-11-23 15:40:13,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2022-11-23 15:40:13,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:13,814 INFO L93 Difference]: Finished difference Result 15 states and 20 transitions. [2022-11-23 15:40:13,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:40:13,817 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 [2022-11-23 15:40:13,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:13,826 INFO L225 Difference]: With dead ends: 15 [2022-11-23 15:40:13,826 INFO L226 Difference]: Without dead ends: 9 [2022-11-23 15:40:13,849 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 [2022-11-23 15:40:13,854 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 3 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:13,855 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 6 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2022-11-23 15:40:13,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2022-11-23 15:40:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 8. [2022-11-23 15:40:13,898 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) [2022-11-23 15:40:13,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2022-11-23 15:40:13,899 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 4 [2022-11-23 15:40:13,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:13,900 INFO L495 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2022-11-23 15:40:13,901 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) [2022-11-23 15:40:13,901 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2022-11-23 15:40:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-23 15:40:13,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:13,902 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1] [2022-11-23 15:40:13,903 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:40:13,903 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:13,904 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:13,904 INFO L85 PathProgramCache]: Analyzing trace with hash -1393329571, now seen corresponding path program 1 times [2022-11-23 15:40:13,904 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:40:13,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88098118] [2022-11-23 15:40:13,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:13,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:40:33,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:40:33,957 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 15:40:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 15:40:45,933 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 15:40:45,934 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 15:40:45,936 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-23 15:40:45,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:40:45,942 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-23 15:40:45,946 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:40:46,052 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 15:40:46,061 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-23 15:40:46,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:40:46 BoogieIcfgContainer [2022-11-23 15:40:46,113 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:40:46,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:40:46,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:40:46,115 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:40:46,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:10" (3/4) ... [2022-11-23 15:40:46,118 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 15:40:46,119 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:40:46,120 INFO L158 Benchmark]: Toolchain (without parser) took 77619.46ms. Allocated memory was 176.2MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 119.0MB in the beginning and 963.3MB in the end (delta: -844.3MB). Peak memory consumption was 196.7MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,120 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:40:46,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 726.16ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 84.3MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 204.56ms. Allocated memory is still 176.2MB. Free memory was 84.2MB in the beginning and 71.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,122 INFO L158 Benchmark]: Boogie Preprocessor took 121.13ms. Allocated memory is still 176.2MB. Free memory was 71.7MB in the beginning and 65.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,122 INFO L158 Benchmark]: RCFGBuilder took 40985.31ms. Allocated memory was 176.2MB in the beginning and 700.4MB in the end (delta: 524.3MB). Free memory was 65.4MB in the beginning and 363.4MB in the end (delta: -298.0MB). Peak memory consumption was 359.4MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,123 INFO L158 Benchmark]: TraceAbstraction took 35567.81ms. Allocated memory was 700.4MB in the beginning and 1.2GB in the end (delta: 515.9MB). Free memory was 363.4MB in the beginning and 964.3MB in the end (delta: -600.9MB). Peak memory consumption was 312.4MB. Max. memory is 16.1GB. [2022-11-23 15:40:46,124 INFO L158 Benchmark]: Witness Printer took 4.78ms. Allocated memory is still 1.2GB. Free memory was 964.3MB in the beginning and 963.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:40:46,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 115.3MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 726.16ms. Allocated memory is still 176.2MB. Free memory was 118.6MB in the beginning and 84.3MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 204.56ms. Allocated memory is still 176.2MB. Free memory was 84.2MB in the beginning and 71.7MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 121.13ms. Allocated memory is still 176.2MB. Free memory was 71.7MB in the beginning and 65.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 40985.31ms. Allocated memory was 176.2MB in the beginning and 700.4MB in the end (delta: 524.3MB). Free memory was 65.4MB in the beginning and 363.4MB in the end (delta: -298.0MB). Peak memory consumption was 359.4MB. Max. memory is 16.1GB. * TraceAbstraction took 35567.81ms. Allocated memory was 700.4MB in the beginning and 1.2GB in the end (delta: 515.9MB). Free memory was 363.4MB in the beginning and 964.3MB in the end (delta: -600.9MB). Peak memory consumption was 312.4MB. Max. memory is 16.1GB. * Witness Printer took 4.78ms. Allocated memory is still 1.2GB. Free memory was 964.3MB in the beginning and 963.3MB 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.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 162, overapproximation of bitwiseOr at line 161, overapproximation of bitwiseAnd at line 138. 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 - 8); [L29] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L31] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 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_2 var_5 = 0; [L38] const SORT_1 var_20 = 0; [L39] const SORT_2 var_64 = 0; [L40] const SORT_4 var_66 = 1; [L41] const SORT_3 var_67 = 0; [L42] const SORT_2 var_85 = 1; [L43] const SORT_4 var_151 = 3; [L45] SORT_1 input_60; [L46] SORT_1 input_63; [L47] SORT_1 input_65; [L48] SORT_1 input_75; [L49] SORT_1 input_81; [L50] SORT_1 input_84; [L51] SORT_1 input_86; [L52] SORT_1 input_106; [L53] SORT_1 input_108; [L54] SORT_1 input_119; [L55] SORT_1 input_121; [L56] SORT_1 input_125; [L57] SORT_1 input_127; [L59] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L60] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L61] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L62] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L63] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L64] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L65] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L66] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L67] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L68] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L69] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L70] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L71] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L72] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_2 init_7_arg_1 = var_5; [L86] state_6 = init_7_arg_1 [L87] SORT_2 init_9_arg_1 = var_5; [L88] state_8 = init_9_arg_1 [L89] SORT_2 init_11_arg_1 = var_5; [L90] state_10 = init_11_arg_1 [L91] SORT_2 init_13_arg_1 = var_5; [L92] state_12 = init_13_arg_1 [L93] SORT_2 init_15_arg_1 = var_5; [L94] state_14 = init_15_arg_1 [L95] SORT_2 init_17_arg_1 = var_5; [L96] state_16 = init_17_arg_1 [L97] SORT_2 init_19_arg_1 = var_5; [L98] state_18 = init_19_arg_1 [L99] SORT_1 init_22_arg_1 = var_20; [L100] state_21 = init_22_arg_1 [L101] SORT_1 init_24_arg_1 = var_20; [L102] state_23 = init_24_arg_1 [L103] SORT_1 init_26_arg_1 = var_20; [L104] state_25 = init_26_arg_1 [L105] SORT_1 init_28_arg_1 = var_20; [L106] state_27 = init_28_arg_1 [L107] SORT_1 init_30_arg_1 = var_20; [L108] state_29 = init_30_arg_1 [L109] SORT_1 init_32_arg_1 = var_20; [L110] state_31 = init_32_arg_1 [L111] SORT_1 init_34_arg_1 = var_20; [L112] state_33 = init_34_arg_1 [L113] SORT_1 init_36_arg_1 = var_20; [L114] state_35 = init_36_arg_1 [L115] SORT_1 init_38_arg_1 = var_20; [L116] state_37 = init_38_arg_1 [L117] SORT_1 init_40_arg_1 = var_20; [L118] state_39 = init_40_arg_1 [L119] SORT_1 init_42_arg_1 = var_20; [L120] state_41 = init_42_arg_1 [L121] SORT_1 init_44_arg_1 = var_20; [L122] state_43 = init_44_arg_1 [L123] SORT_1 init_46_arg_1 = var_20; [L124] state_45 = init_46_arg_1 [L125] SORT_1 init_48_arg_1 = var_20; [L126] state_47 = init_48_arg_1 [L127] SORT_1 init_50_arg_1 = var_20; [L128] state_49 = init_50_arg_1 [L129] SORT_1 init_52_arg_1 = var_20; [L130] state_51 = init_52_arg_1 [L131] SORT_1 init_54_arg_1 = var_20; [L132] state_53 = init_54_arg_1 [L133] SORT_1 init_56_arg_1 = var_20; [L134] state_55 = init_56_arg_1 VAL [init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=0, var_151=3, var_20=0, var_5=0, var_64=0, var_66=1, var_67=0, var_85=1] [L137] input_60 = __VERIFIER_nondet_uchar() [L138] input_60 = input_60 & mask_SORT_1 [L139] input_63 = __VERIFIER_nondet_uchar() [L140] input_63 = input_63 & mask_SORT_1 [L141] input_65 = __VERIFIER_nondet_uchar() [L142] input_65 = input_65 & mask_SORT_1 [L143] input_75 = __VERIFIER_nondet_uchar() [L144] input_75 = input_75 & mask_SORT_1 [L145] input_81 = __VERIFIER_nondet_uchar() [L146] input_81 = input_81 & mask_SORT_1 [L147] input_84 = __VERIFIER_nondet_uchar() [L148] input_84 = input_84 & mask_SORT_1 [L149] input_86 = __VERIFIER_nondet_uchar() [L150] input_86 = input_86 & mask_SORT_1 [L151] input_106 = __VERIFIER_nondet_uchar() [L152] input_108 = __VERIFIER_nondet_uchar() [L153] input_119 = __VERIFIER_nondet_uchar() [L154] input_121 = __VERIFIER_nondet_uchar() [L155] input_125 = __VERIFIER_nondet_uchar() [L156] input_127 = __VERIFIER_nondet_uchar() [L159] SORT_1 var_57_arg_0 = state_43; [L160] SORT_1 var_57_arg_1 = state_45; [L161] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L162] SORT_1 var_58_arg_0 = ~state_55; [L163] var_58_arg_0 = var_58_arg_0 & mask_SORT_1 [L164] SORT_1 var_58_arg_1 = var_57; [L165] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L166] var_58 = var_58 & mask_SORT_1 [L167] SORT_1 bad_59_arg_0 = var_58; [L168] CALL __VERIFIER_assert(!(bad_59_arg_0)) [L20] COND FALSE !(!(cond)) VAL [cond=1, unknown-#in~cond-unknown=1] [L168] RET __VERIFIER_assert(!(bad_59_arg_0)) [L170] SORT_1 var_61_arg_0 = input_60; [L171] SORT_2 var_61_arg_1 = state_16; [L172] SORT_2 var_61_arg_2 = state_6; [L173] SORT_2 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L174] SORT_2 next_62_arg_1 = var_61; [L175] SORT_3 var_68_arg_0 = var_67; [L176] SORT_2 var_68_arg_1 = state_8; [L177] SORT_4 var_68 = ((SORT_4)var_68_arg_0 << 8) | var_68_arg_1; [L178] var_68 = var_68 & mask_SORT_4 [L179] SORT_4 var_69_arg_0 = var_66; [L180] SORT_4 var_69_arg_1 = var_68; [L181] SORT_4 var_69 = var_69_arg_0 + var_69_arg_1; [L182] SORT_4 var_70_arg_0 = var_69; [L183] SORT_2 var_70 = var_70_arg_0 >> 0; [L184] SORT_1 var_71_arg_0 = input_65; [L185] SORT_2 var_71_arg_1 = var_70; [L186] SORT_2 var_71_arg_2 = state_8; [L187] SORT_2 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L188] SORT_1 var_72_arg_0 = input_63; [L189] SORT_2 var_72_arg_1 = var_64; [L190] SORT_2 var_72_arg_2 = var_71; [L191] SORT_2 var_72 = var_72_arg_0 ? var_72_arg_1 : var_72_arg_2; [L192] var_72 = var_72 & mask_SORT_2 [L193] SORT_2 next_73_arg_1 = var_72; [L194] SORT_2 next_74_arg_1 = state_10; [L195] SORT_3 var_76_arg_0 = var_67; [L196] SORT_2 var_76_arg_1 = state_12; [L197] SORT_4 var_76 = ((SORT_4)var_76_arg_0 << 8) | var_76_arg_1; [L198] var_76 = var_76 & mask_SORT_4 [L199] SORT_4 var_77_arg_0 = var_66; [L200] SORT_4 var_77_arg_1 = var_76; [L201] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L202] SORT_4 var_78_arg_0 = var_77; [L203] SORT_2 var_78 = var_78_arg_0 >> 0; [L204] SORT_1 var_79_arg_0 = input_75; [L205] SORT_2 var_79_arg_1 = var_78; [L206] SORT_2 var_79_arg_2 = state_12; [L207] SORT_2 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L208] var_79 = var_79 & mask_SORT_2 [L209] SORT_2 next_80_arg_1 = var_79; [L210] SORT_1 var_82_arg_0 = input_81; [L211] SORT_2 var_82_arg_1 = state_18; [L212] SORT_2 var_82_arg_2 = state_14; [L213] SORT_2 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L214] var_82 = var_82 & mask_SORT_2 [L215] SORT_2 next_83_arg_1 = var_82; [L216] SORT_1 var_87_arg_0 = input_86; [L217] SORT_2 var_87_arg_1 = var_64; [L218] SORT_2 var_87_arg_2 = state_16; [L219] SORT_2 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L220] SORT_1 var_88_arg_0 = input_84; [L221] SORT_2 var_88_arg_1 = var_85; [L222] SORT_2 var_88_arg_2 = var_87; [L223] SORT_2 var_88 = var_88_arg_0 ? var_88_arg_1 : var_88_arg_2; [L224] SORT_2 next_89_arg_1 = var_88; [L225] SORT_1 var_90_arg_0 = input_63; [L226] SORT_2 var_90_arg_1 = state_6; [L227] SORT_2 var_90_arg_2 = state_18; [L228] SORT_2 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L229] SORT_2 next_91_arg_1 = var_90; [L230] SORT_1 var_92_arg_0 = ~state_21; [L231] var_92_arg_0 = var_92_arg_0 & mask_SORT_1 [L232] SORT_1 var_92_arg_1 = input_65; [L233] SORT_1 var_92 = var_92_arg_0 | var_92_arg_1; [L234] SORT_1 var_93_arg_0 = var_92; [L235] SORT_1 var_93_arg_1 = ~input_60; [L236] var_93_arg_1 = var_93_arg_1 & mask_SORT_1 [L237] SORT_1 var_93 = var_93_arg_0 & var_93_arg_1; [L238] SORT_1 var_94_arg_0 = var_93; [L239] SORT_1 var_94_arg_1 = input_63; [L240] SORT_1 var_94 = var_94_arg_0 | var_94_arg_1; [L241] SORT_1 next_95_arg_1 = ~var_94; [L242] next_95_arg_1 = next_95_arg_1 & mask_SORT_1 [L243] SORT_1 var_96_arg_0 = state_23; [L244] SORT_1 var_96_arg_1 = ~input_65; [L245] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 [L246] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; [L247] SORT_1 var_97_arg_0 = var_96; [L248] SORT_1 var_97_arg_1 = input_60; [L249] SORT_1 var_97 = var_97_arg_0 | var_97_arg_1; [L250] SORT_1 var_98_arg_0 = var_97; [L251] SORT_1 var_98_arg_1 = ~input_63; [L252] var_98_arg_1 = var_98_arg_1 & mask_SORT_1 [L253] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L254] SORT_1 next_99_arg_1 = var_98; [L255] SORT_1 next_100_arg_1 = state_25; [L256] SORT_1 var_101_arg_0 = ~state_27; [L257] var_101_arg_0 = var_101_arg_0 & mask_SORT_1 [L258] SORT_1 var_101_arg_1 = input_75; [L259] SORT_1 var_101 = var_101_arg_0 | var_101_arg_1; [L260] SORT_1 next_102_arg_1 = ~var_101; [L261] next_102_arg_1 = next_102_arg_1 & mask_SORT_1 [L262] SORT_1 var_103_arg_0 = state_29; [L263] SORT_1 var_103_arg_1 = ~input_75; [L264] var_103_arg_1 = var_103_arg_1 & mask_SORT_1 [L265] SORT_1 var_103 = var_103_arg_0 & var_103_arg_1; [L266] SORT_1 next_104_arg_1 = var_103; [L267] SORT_1 next_105_arg_1 = state_31; [L268] SORT_1 var_107_arg_0 = ~state_33; [L269] var_107_arg_0 = var_107_arg_0 & mask_SORT_1 [L270] SORT_1 var_107_arg_1 = ~input_106; [L271] var_107_arg_1 = var_107_arg_1 & mask_SORT_1 [L272] SORT_1 var_107 = var_107_arg_0 & var_107_arg_1; [L273] SORT_1 var_109_arg_0 = var_107; [L274] SORT_1 var_109_arg_1 = ~input_108; [L275] var_109_arg_1 = var_109_arg_1 & mask_SORT_1 [L276] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L277] SORT_1 var_110_arg_0 = var_109; [L278] SORT_1 var_110_arg_1 = input_86; [L279] SORT_1 var_110 = var_110_arg_0 | var_110_arg_1; [L280] SORT_1 var_111_arg_0 = var_110; [L281] SORT_1 var_111_arg_1 = input_84; [L282] SORT_1 var_111 = var_111_arg_0 | var_111_arg_1; [L283] SORT_1 next_112_arg_1 = ~var_111; [L284] next_112_arg_1 = next_112_arg_1 & mask_SORT_1 [L285] SORT_1 var_113_arg_0 = state_35; [L286] SORT_1 var_113_arg_1 = input_106; [L287] SORT_1 var_113 = var_113_arg_0 | var_113_arg_1; [L288] SORT_1 var_114_arg_0 = var_113; [L289] SORT_1 var_114_arg_1 = ~input_86; [L290] var_114_arg_1 = var_114_arg_1 & mask_SORT_1 [L291] SORT_1 var_114 = var_114_arg_0 & var_114_arg_1; [L292] SORT_1 next_115_arg_1 = var_114; [L293] SORT_1 var_116_arg_0 = state_37; [L294] SORT_1 var_116_arg_1 = input_108; [L295] SORT_1 var_116 = var_116_arg_0 | var_116_arg_1; [L296] SORT_1 var_117_arg_0 = var_116; [L297] SORT_1 var_117_arg_1 = ~input_84; [L298] var_117_arg_1 = var_117_arg_1 & mask_SORT_1 [L299] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L300] SORT_1 next_118_arg_1 = var_117; [L301] SORT_1 var_120_arg_0 = ~state_39; [L302] var_120_arg_0 = var_120_arg_0 & mask_SORT_1 [L303] SORT_1 var_120_arg_1 = input_119; [L304] SORT_1 var_120 = var_120_arg_0 | var_120_arg_1; [L305] SORT_1 var_122_arg_0 = var_120; [L306] SORT_1 var_122_arg_1 = input_121; [L307] SORT_1 var_122 = var_122_arg_0 | var_122_arg_1; [L308] SORT_1 var_123_arg_0 = var_122; [L309] SORT_1 var_123_arg_1 = ~input_81; [L310] var_123_arg_1 = var_123_arg_1 & mask_SORT_1 [L311] SORT_1 var_123 = var_123_arg_0 & var_123_arg_1; [L312] SORT_1 next_124_arg_1 = ~var_123; [L313] next_124_arg_1 = next_124_arg_1 & mask_SORT_1 [L314] SORT_1 var_126_arg_0 = state_41; [L315] SORT_1 var_126_arg_1 = ~input_125; [L316] var_126_arg_1 = var_126_arg_1 & mask_SORT_1 [L317] SORT_1 var_126 = var_126_arg_0 & var_126_arg_1; [L318] SORT_1 var_128_arg_0 = var_126; [L319] SORT_1 var_128_arg_1 = ~input_127; [L320] var_128_arg_1 = var_128_arg_1 & mask_SORT_1 [L321] SORT_1 var_128 = var_128_arg_0 & var_128_arg_1; [L322] SORT_1 var_129_arg_0 = var_128; [L323] SORT_1 var_129_arg_1 = input_81; [L324] SORT_1 var_129 = var_129_arg_0 | var_129_arg_1; [L325] SORT_1 next_130_arg_1 = var_129; [L326] SORT_1 var_131_arg_0 = state_43; [L327] SORT_1 var_131_arg_1 = input_125; [L328] SORT_1 var_131 = var_131_arg_0 | var_131_arg_1; [L329] SORT_1 var_132_arg_0 = var_131; [L330] SORT_1 var_132_arg_1 = ~input_119; [L331] var_132_arg_1 = var_132_arg_1 & mask_SORT_1 [L332] SORT_1 var_132 = var_132_arg_0 & var_132_arg_1; [L333] SORT_1 next_133_arg_1 = var_132; [L334] SORT_1 var_134_arg_0 = state_45; [L335] SORT_1 var_134_arg_1 = input_127; [L336] SORT_1 var_134 = var_134_arg_0 | var_134_arg_1; [L337] SORT_1 var_135_arg_0 = var_134; [L338] SORT_1 var_135_arg_1 = ~input_121; [L339] var_135_arg_1 = var_135_arg_1 & mask_SORT_1 [L340] SORT_1 var_135 = var_135_arg_0 & var_135_arg_1; [L341] SORT_1 next_136_arg_1 = var_135; [L342] SORT_1 var_137_arg_0 = ~state_47; [L343] var_137_arg_0 = var_137_arg_0 & mask_SORT_1 [L344] SORT_1 var_137_arg_1 = input_60; [L345] SORT_1 var_137 = var_137_arg_0 | var_137_arg_1; [L346] SORT_1 var_138_arg_0 = var_137; [L347] SORT_1 var_138_arg_1 = ~input_86; [L348] var_138_arg_1 = var_138_arg_1 & mask_SORT_1 [L349] SORT_1 var_138 = var_138_arg_0 & var_138_arg_1; [L350] SORT_1 var_139_arg_0 = var_138; [L351] SORT_1 var_139_arg_1 = ~input_84; [L352] var_139_arg_1 = var_139_arg_1 & mask_SORT_1 [L353] SORT_1 var_139 = var_139_arg_0 & var_139_arg_1; [L354] SORT_1 next_140_arg_1 = ~var_139; [L355] next_140_arg_1 = next_140_arg_1 & mask_SORT_1 [L356] SORT_1 var_141_arg_0 = state_49; [L357] SORT_1 var_141_arg_1 = ~input_60; [L358] var_141_arg_1 = var_141_arg_1 & mask_SORT_1 [L359] SORT_1 var_141 = var_141_arg_0 & var_141_arg_1; [L360] SORT_1 var_142_arg_0 = var_141; [L361] SORT_1 var_142_arg_1 = input_86; [L362] SORT_1 var_142 = var_142_arg_0 | var_142_arg_1; [L363] SORT_1 var_143_arg_0 = var_142; [L364] SORT_1 var_143_arg_1 = input_84; [L365] SORT_1 var_143 = var_143_arg_0 | var_143_arg_1; [L366] SORT_1 next_144_arg_1 = var_143; [L367] SORT_1 var_145_arg_0 = ~state_51; [L368] var_145_arg_0 = var_145_arg_0 & mask_SORT_1 [L369] SORT_1 var_145_arg_1 = ~input_63; [L370] var_145_arg_1 = var_145_arg_1 & mask_SORT_1 [L371] SORT_1 var_145 = var_145_arg_0 & var_145_arg_1; [L372] SORT_1 var_146_arg_0 = var_145; [L373] SORT_1 var_146_arg_1 = input_81; [L374] SORT_1 var_146 = var_146_arg_0 | var_146_arg_1; [L375] SORT_1 next_147_arg_1 = ~var_146; [L376] next_147_arg_1 = next_147_arg_1 & mask_SORT_1 [L377] SORT_1 var_148_arg_0 = state_53; [L378] SORT_1 var_148_arg_1 = input_63; [L379] SORT_1 var_148 = var_148_arg_0 | var_148_arg_1; [L380] SORT_1 var_149_arg_0 = var_148; [L381] SORT_1 var_149_arg_1 = ~input_81; [L382] var_149_arg_1 = var_149_arg_1 & mask_SORT_1 [L383] SORT_1 var_149 = var_149_arg_0 & var_149_arg_1; [L384] SORT_1 next_150_arg_1 = var_149; [L385] SORT_4 var_152_arg_0 = var_151; [L386] SORT_4 var_152_arg_1 = var_68; [L387] SORT_1 var_152 = var_152_arg_0 <= var_152_arg_1; [L388] SORT_1 var_153_arg_0 = state_23; [L389] SORT_1 var_153_arg_1 = ~var_152; [L390] var_153_arg_1 = var_153_arg_1 & mask_SORT_1 [L391] SORT_1 var_153 = var_153_arg_0 & var_153_arg_1; [L392] SORT_1 var_154_arg_0 = ~input_65; [L393] var_154_arg_0 = var_154_arg_0 & mask_SORT_1 [L394] SORT_1 var_154_arg_1 = var_153; [L395] SORT_1 var_154 = var_154_arg_0 | var_154_arg_1; [L396] SORT_4 var_155_arg_0 = var_151; [L397] SORT_4 var_155_arg_1 = var_76; [L398] SORT_1 var_155 = var_155_arg_0 <= var_155_arg_1; [L399] SORT_1 var_156_arg_0 = state_29; [L400] SORT_1 var_156_arg_1 = ~var_155; [L401] var_156_arg_1 = var_156_arg_1 & mask_SORT_1 [L402] SORT_1 var_156 = var_156_arg_0 & var_156_arg_1; [L403] SORT_1 var_157_arg_0 = ~input_75; [L404] var_157_arg_0 = var_157_arg_0 & mask_SORT_1 [L405] SORT_1 var_157_arg_1 = var_156; [L406] SORT_1 var_157 = var_157_arg_0 | var_157_arg_1; [L407] SORT_1 var_158_arg_0 = var_154; [L408] SORT_1 var_158_arg_1 = var_157; [L409] SORT_1 var_158 = var_158_arg_0 & var_158_arg_1; [L410] SORT_1 var_159_arg_0 = ~state_33; [L411] var_159_arg_0 = var_159_arg_0 & mask_SORT_1 [L412] SORT_1 var_159_arg_1 = ~input_106; [L413] var_159_arg_1 = var_159_arg_1 & mask_SORT_1 [L414] SORT_1 var_159 = var_159_arg_0 | var_159_arg_1; [L415] SORT_1 var_160_arg_0 = var_158; [L416] SORT_1 var_160_arg_1 = var_159; [L417] SORT_1 var_160 = var_160_arg_0 & var_160_arg_1; [L418] SORT_1 var_161_arg_0 = ~state_33; [L419] var_161_arg_0 = var_161_arg_0 & mask_SORT_1 [L420] SORT_1 var_161_arg_1 = ~input_108; [L421] var_161_arg_1 = var_161_arg_1 & mask_SORT_1 [L422] SORT_1 var_161 = var_161_arg_0 | var_161_arg_1; [L423] SORT_1 var_162_arg_0 = var_160; [L424] SORT_1 var_162_arg_1 = var_161; [L425] SORT_1 var_162 = var_162_arg_0 & var_162_arg_1; [L426] SORT_2 var_163_arg_0 = var_64; [L427] SORT_2 var_163_arg_1 = state_14; [L428] SORT_1 var_163 = var_163_arg_0 == var_163_arg_1; [L429] SORT_1 var_164_arg_0 = state_41; [L430] SORT_1 var_164_arg_1 = var_163; [L431] SORT_1 var_164 = var_164_arg_0 & var_164_arg_1; [L432] SORT_1 var_165_arg_0 = ~input_125; [L433] var_165_arg_0 = var_165_arg_0 & mask_SORT_1 [L434] SORT_1 var_165_arg_1 = var_164; [L435] SORT_1 var_165 = var_165_arg_0 | var_165_arg_1; [L436] SORT_1 var_166_arg_0 = var_162; [L437] SORT_1 var_166_arg_1 = var_165; [L438] SORT_1 var_166 = var_166_arg_0 & var_166_arg_1; [L439] SORT_2 var_167_arg_0 = var_85; [L440] SORT_2 var_167_arg_1 = state_14; [L441] SORT_1 var_167 = var_167_arg_0 == var_167_arg_1; [L442] SORT_1 var_168_arg_0 = state_41; [L443] SORT_1 var_168_arg_1 = var_167; [L444] SORT_1 var_168 = var_168_arg_0 & var_168_arg_1; [L445] SORT_1 var_169_arg_0 = ~input_127; [L446] var_169_arg_0 = var_169_arg_0 & mask_SORT_1 [L447] SORT_1 var_169_arg_1 = var_168; [L448] SORT_1 var_169 = var_169_arg_0 | var_169_arg_1; [L449] SORT_1 var_170_arg_0 = var_166; [L450] SORT_1 var_170_arg_1 = var_169; [L451] SORT_1 var_170 = var_170_arg_0 & var_170_arg_1; [L452] SORT_1 var_171_arg_0 = state_43; [L453] SORT_1 var_171_arg_1 = ~input_119; [L454] var_171_arg_1 = var_171_arg_1 & mask_SORT_1 [L455] SORT_1 var_171 = var_171_arg_0 | var_171_arg_1; [L456] SORT_1 var_172_arg_0 = var_170; [L457] SORT_1 var_172_arg_1 = var_171; [L458] SORT_1 var_172 = var_172_arg_0 & var_172_arg_1; [L459] SORT_1 var_173_arg_0 = state_45; [L460] SORT_1 var_173_arg_1 = ~input_121; [L461] var_173_arg_1 = var_173_arg_1 & mask_SORT_1 [L462] SORT_1 var_173 = var_173_arg_0 | var_173_arg_1; [L463] SORT_1 var_174_arg_0 = var_172; [L464] SORT_1 var_174_arg_1 = var_173; [L465] SORT_1 var_174 = var_174_arg_0 & var_174_arg_1; [L466] SORT_1 var_175_arg_0 = ~state_21; [L467] var_175_arg_0 = var_175_arg_0 & mask_SORT_1 [L468] SORT_1 var_175_arg_1 = state_49; [L469] SORT_1 var_175 = var_175_arg_0 & var_175_arg_1; [L470] SORT_1 var_176_arg_0 = ~input_60; [L471] var_176_arg_0 = var_176_arg_0 & mask_SORT_1 [L472] SORT_1 var_176_arg_1 = var_175; [L473] SORT_1 var_176 = var_176_arg_0 | var_176_arg_1; [L474] SORT_1 var_177_arg_0 = var_174; [L475] SORT_1 var_177_arg_1 = var_176; [L476] SORT_1 var_177 = var_177_arg_0 & var_177_arg_1; [L477] SORT_1 var_178_arg_0 = state_23; [L478] SORT_1 var_178_arg_1 = ~state_51; [L479] var_178_arg_1 = var_178_arg_1 & mask_SORT_1 [L480] SORT_1 var_178 = var_178_arg_0 & var_178_arg_1; [L481] SORT_1 var_179_arg_0 = ~input_63; [L482] var_179_arg_0 = var_179_arg_0 & mask_SORT_1 [L483] SORT_1 var_179_arg_1 = var_178; [L484] SORT_1 var_179 = var_179_arg_0 | var_179_arg_1; [L485] SORT_1 var_180_arg_0 = var_177; [L486] SORT_1 var_180_arg_1 = var_179; [L487] SORT_1 var_180 = var_180_arg_0 & var_180_arg_1; [L488] SORT_1 var_181_arg_0 = state_35; [L489] SORT_1 var_181_arg_1 = ~state_47; [L490] var_181_arg_1 = var_181_arg_1 & mask_SORT_1 [L491] SORT_1 var_181 = var_181_arg_0 & var_181_arg_1; [L492] SORT_1 var_182_arg_0 = ~input_86; [L493] var_182_arg_0 = var_182_arg_0 & mask_SORT_1 [L494] SORT_1 var_182_arg_1 = var_181; [L495] SORT_1 var_182 = var_182_arg_0 | var_182_arg_1; [L496] SORT_1 var_183_arg_0 = var_180; [L497] SORT_1 var_183_arg_1 = var_182; [L498] SORT_1 var_183 = var_183_arg_0 & var_183_arg_1; [L499] SORT_1 var_184_arg_0 = state_37; [L500] SORT_1 var_184_arg_1 = ~state_47; [L501] var_184_arg_1 = var_184_arg_1 & mask_SORT_1 [L502] SORT_1 var_184 = var_184_arg_0 & var_184_arg_1; [L503] SORT_1 var_185_arg_0 = ~input_84; [L504] var_185_arg_0 = var_185_arg_0 & mask_SORT_1 [L505] SORT_1 var_185_arg_1 = var_184; [L506] SORT_1 var_185 = var_185_arg_0 | var_185_arg_1; [L507] SORT_1 var_186_arg_0 = var_183; [L508] SORT_1 var_186_arg_1 = var_185; [L509] SORT_1 var_186 = var_186_arg_0 & var_186_arg_1; [L510] SORT_1 var_187_arg_0 = ~state_39; [L511] var_187_arg_0 = var_187_arg_0 & mask_SORT_1 [L512] SORT_1 var_187_arg_1 = state_53; [L513] SORT_1 var_187 = var_187_arg_0 & var_187_arg_1; [L514] SORT_1 var_188_arg_0 = ~input_81; [L515] var_188_arg_0 = var_188_arg_0 & mask_SORT_1 [L516] SORT_1 var_188_arg_1 = var_187; [L517] SORT_1 var_188 = var_188_arg_0 | var_188_arg_1; [L518] SORT_1 var_189_arg_0 = var_186; [L519] SORT_1 var_189_arg_1 = var_188; [L520] SORT_1 var_189 = var_189_arg_0 & var_189_arg_1; [L521] SORT_1 var_190_arg_0 = input_65; [L522] SORT_1 var_190_arg_1 = input_75; [L523] SORT_1 var_190 = var_190_arg_0 | var_190_arg_1; [L524] SORT_1 var_191_arg_0 = input_106; [L525] SORT_1 var_191_arg_1 = var_190; [L526] SORT_1 var_191 = var_191_arg_0 | var_191_arg_1; [L527] SORT_1 var_192_arg_0 = input_108; [L528] SORT_1 var_192_arg_1 = var_191; [L529] SORT_1 var_192 = var_192_arg_0 | var_192_arg_1; [L530] SORT_1 var_193_arg_0 = input_125; [L531] SORT_1 var_193_arg_1 = var_192; [L532] SORT_1 var_193 = var_193_arg_0 | var_193_arg_1; [L533] SORT_1 var_194_arg_0 = input_127; [L534] SORT_1 var_194_arg_1 = var_193; [L535] SORT_1 var_194 = var_194_arg_0 | var_194_arg_1; [L536] SORT_1 var_195_arg_0 = input_119; [L537] SORT_1 var_195_arg_1 = var_194; [L538] SORT_1 var_195 = var_195_arg_0 | var_195_arg_1; [L539] SORT_1 var_196_arg_0 = input_121; [L540] SORT_1 var_196_arg_1 = var_195; [L541] SORT_1 var_196 = var_196_arg_0 | var_196_arg_1; [L542] SORT_1 var_197_arg_0 = input_60; [L543] SORT_1 var_197_arg_1 = var_196; [L544] SORT_1 var_197 = var_197_arg_0 | var_197_arg_1; [L545] SORT_1 var_198_arg_0 = input_63; [L546] SORT_1 var_198_arg_1 = var_197; [L547] SORT_1 var_198 = var_198_arg_0 | var_198_arg_1; [L548] SORT_1 var_199_arg_0 = input_86; [L549] SORT_1 var_199_arg_1 = var_198; [L550] SORT_1 var_199 = var_199_arg_0 | var_199_arg_1; [L551] SORT_1 var_200_arg_0 = input_84; [L552] SORT_1 var_200_arg_1 = var_199; [L553] SORT_1 var_200 = var_200_arg_0 | var_200_arg_1; [L554] SORT_1 var_201_arg_0 = input_81; [L555] SORT_1 var_201_arg_1 = var_200; [L556] SORT_1 var_201 = var_201_arg_0 | var_201_arg_1; [L557] SORT_1 var_202_arg_0 = var_189; [L558] SORT_1 var_202_arg_1 = var_201; [L559] SORT_1 var_202 = var_202_arg_0 & var_202_arg_1; [L560] SORT_1 var_203_arg_0 = input_65; [L561] SORT_1 var_203_arg_1 = input_75; [L562] SORT_1 var_203 = var_203_arg_0 & var_203_arg_1; [L563] SORT_1 var_204_arg_0 = input_106; [L564] SORT_1 var_204_arg_1 = var_190; [L565] SORT_1 var_204 = var_204_arg_0 & var_204_arg_1; [L566] SORT_1 var_205_arg_0 = var_203; [L567] SORT_1 var_205_arg_1 = var_204; [L568] SORT_1 var_205 = var_205_arg_0 | var_205_arg_1; [L569] SORT_1 var_206_arg_0 = input_108; [L570] SORT_1 var_206_arg_1 = var_191; [L571] SORT_1 var_206 = var_206_arg_0 & var_206_arg_1; [L572] SORT_1 var_207_arg_0 = var_205; [L573] SORT_1 var_207_arg_1 = var_206; [L574] SORT_1 var_207 = var_207_arg_0 | var_207_arg_1; [L575] SORT_1 var_208_arg_0 = input_125; [L576] SORT_1 var_208_arg_1 = var_192; [L577] SORT_1 var_208 = var_208_arg_0 & var_208_arg_1; [L578] SORT_1 var_209_arg_0 = var_207; [L579] SORT_1 var_209_arg_1 = var_208; [L580] SORT_1 var_209 = var_209_arg_0 | var_209_arg_1; [L581] SORT_1 var_210_arg_0 = input_127; [L582] SORT_1 var_210_arg_1 = var_193; [L583] SORT_1 var_210 = var_210_arg_0 & var_210_arg_1; [L584] SORT_1 var_211_arg_0 = var_209; [L585] SORT_1 var_211_arg_1 = var_210; [L586] SORT_1 var_211 = var_211_arg_0 | var_211_arg_1; [L587] SORT_1 var_212_arg_0 = input_119; [L588] SORT_1 var_212_arg_1 = var_194; [L589] SORT_1 var_212 = var_212_arg_0 & var_212_arg_1; [L590] SORT_1 var_213_arg_0 = var_211; [L591] SORT_1 var_213_arg_1 = var_212; [L592] SORT_1 var_213 = var_213_arg_0 | var_213_arg_1; [L593] SORT_1 var_214_arg_0 = input_121; [L594] SORT_1 var_214_arg_1 = var_195; [L595] SORT_1 var_214 = var_214_arg_0 & var_214_arg_1; [L596] SORT_1 var_215_arg_0 = var_213; [L597] SORT_1 var_215_arg_1 = var_214; [L598] SORT_1 var_215 = var_215_arg_0 | var_215_arg_1; [L599] SORT_1 var_216_arg_0 = input_60; [L600] SORT_1 var_216_arg_1 = var_196; [L601] SORT_1 var_216 = var_216_arg_0 & var_216_arg_1; [L602] SORT_1 var_217_arg_0 = var_215; [L603] SORT_1 var_217_arg_1 = var_216; [L604] SORT_1 var_217 = var_217_arg_0 | var_217_arg_1; [L605] SORT_1 var_218_arg_0 = input_63; [L606] SORT_1 var_218_arg_1 = var_197; [L607] SORT_1 var_218 = var_218_arg_0 & var_218_arg_1; [L608] SORT_1 var_219_arg_0 = var_217; [L609] SORT_1 var_219_arg_1 = var_218; [L610] SORT_1 var_219 = var_219_arg_0 | var_219_arg_1; [L611] SORT_1 var_220_arg_0 = input_86; [L612] SORT_1 var_220_arg_1 = var_198; [L613] SORT_1 var_220 = var_220_arg_0 & var_220_arg_1; [L614] SORT_1 var_221_arg_0 = var_219; [L615] SORT_1 var_221_arg_1 = var_220; [L616] SORT_1 var_221 = var_221_arg_0 | var_221_arg_1; [L617] SORT_1 var_222_arg_0 = input_84; [L618] SORT_1 var_222_arg_1 = var_199; [L619] SORT_1 var_222 = var_222_arg_0 & var_222_arg_1; [L620] SORT_1 var_223_arg_0 = var_221; [L621] SORT_1 var_223_arg_1 = var_222; [L622] SORT_1 var_223 = var_223_arg_0 | var_223_arg_1; [L623] SORT_1 var_224_arg_0 = input_81; [L624] SORT_1 var_224_arg_1 = var_200; [L625] SORT_1 var_224 = var_224_arg_0 & var_224_arg_1; [L626] SORT_1 var_225_arg_0 = var_223; [L627] SORT_1 var_225_arg_1 = var_224; [L628] SORT_1 var_225 = var_225_arg_0 | var_225_arg_1; [L629] SORT_1 var_226_arg_0 = var_202; [L630] SORT_1 var_226_arg_1 = ~var_225; [L631] var_226_arg_1 = var_226_arg_1 & mask_SORT_1 [L632] SORT_1 var_226 = var_226_arg_0 & var_226_arg_1; [L633] SORT_1 var_227_arg_0 = ~state_21; [L634] var_227_arg_0 = var_227_arg_0 & mask_SORT_1 [L635] SORT_1 var_227_arg_1 = state_23; [L636] SORT_1 var_227 = var_227_arg_0 & var_227_arg_1; [L637] SORT_1 var_228_arg_0 = ~state_21; [L638] var_228_arg_0 = var_228_arg_0 & mask_SORT_1 [L639] SORT_1 var_228_arg_1 = state_23; [L640] SORT_1 var_228 = var_228_arg_0 | var_228_arg_1; [L641] SORT_1 var_229_arg_0 = state_25; [L642] SORT_1 var_229_arg_1 = var_228; [L643] SORT_1 var_229 = var_229_arg_0 & var_229_arg_1; [L644] SORT_1 var_230_arg_0 = var_227; [L645] SORT_1 var_230_arg_1 = var_229; [L646] SORT_1 var_230 = var_230_arg_0 | var_230_arg_1; [L647] SORT_1 var_231_arg_0 = state_25; [L648] SORT_1 var_231_arg_1 = var_228; [L649] SORT_1 var_231 = var_231_arg_0 | var_231_arg_1; [L650] SORT_1 var_232_arg_0 = ~var_230; [L651] var_232_arg_0 = var_232_arg_0 & mask_SORT_1 [L652] SORT_1 var_232_arg_1 = var_231; [L653] SORT_1 var_232 = var_232_arg_0 & var_232_arg_1; [L654] SORT_1 var_233_arg_0 = ~state_27; [L655] var_233_arg_0 = var_233_arg_0 & mask_SORT_1 [L656] SORT_1 var_233_arg_1 = state_29; [L657] SORT_1 var_233 = var_233_arg_0 & var_233_arg_1; [L658] SORT_1 var_234_arg_0 = ~state_27; [L659] var_234_arg_0 = var_234_arg_0 & mask_SORT_1 [L660] SORT_1 var_234_arg_1 = state_29; [L661] SORT_1 var_234 = var_234_arg_0 | var_234_arg_1; [L662] SORT_1 var_235_arg_0 = state_31; [L663] SORT_1 var_235_arg_1 = var_234; [L664] SORT_1 var_235 = var_235_arg_0 & var_235_arg_1; [L665] SORT_1 var_236_arg_0 = var_233; [L666] SORT_1 var_236_arg_1 = var_235; [L667] SORT_1 var_236 = var_236_arg_0 | var_236_arg_1; [L668] SORT_1 var_237_arg_0 = var_232; [L669] SORT_1 var_237_arg_1 = ~var_236; [L670] var_237_arg_1 = var_237_arg_1 & mask_SORT_1 [L671] SORT_1 var_237 = var_237_arg_0 & var_237_arg_1; [L672] SORT_1 var_238_arg_0 = state_31; [L673] SORT_1 var_238_arg_1 = var_234; [L674] SORT_1 var_238 = var_238_arg_0 | var_238_arg_1; [L675] SORT_1 var_239_arg_0 = var_237; [L676] SORT_1 var_239_arg_1 = var_238; [L677] SORT_1 var_239 = var_239_arg_0 & var_239_arg_1; [L678] SORT_1 var_240_arg_0 = ~state_33; [L679] var_240_arg_0 = var_240_arg_0 & mask_SORT_1 [L680] SORT_1 var_240_arg_1 = state_35; [L681] SORT_1 var_240 = var_240_arg_0 & var_240_arg_1; [L682] SORT_1 var_241_arg_0 = ~state_33; [L683] var_241_arg_0 = var_241_arg_0 & mask_SORT_1 [L684] SORT_1 var_241_arg_1 = state_35; [L685] SORT_1 var_241 = var_241_arg_0 | var_241_arg_1; [L686] SORT_1 var_242_arg_0 = state_37; [L687] SORT_1 var_242_arg_1 = var_241; [L688] SORT_1 var_242 = var_242_arg_0 & var_242_arg_1; [L689] SORT_1 var_243_arg_0 = var_240; [L690] SORT_1 var_243_arg_1 = var_242; [L691] SORT_1 var_243 = var_243_arg_0 | var_243_arg_1; [L692] SORT_1 var_244_arg_0 = var_239; [L693] SORT_1 var_244_arg_1 = ~var_243; [L694] var_244_arg_1 = var_244_arg_1 & mask_SORT_1 [L695] SORT_1 var_244 = var_244_arg_0 & var_244_arg_1; [L696] SORT_1 var_245_arg_0 = state_37; [L697] SORT_1 var_245_arg_1 = var_241; [L698] SORT_1 var_245 = var_245_arg_0 | var_245_arg_1; [L699] SORT_1 var_246_arg_0 = var_244; [L700] SORT_1 var_246_arg_1 = var_245; [L701] SORT_1 var_246 = var_246_arg_0 & var_246_arg_1; [L702] SORT_1 var_247_arg_0 = ~state_39; [L703] var_247_arg_0 = var_247_arg_0 & mask_SORT_1 [L704] SORT_1 var_247_arg_1 = state_41; [L705] SORT_1 var_247 = var_247_arg_0 & var_247_arg_1; [L706] SORT_1 var_248_arg_0 = ~state_39; [L707] var_248_arg_0 = var_248_arg_0 & mask_SORT_1 [L708] SORT_1 var_248_arg_1 = state_41; [L709] SORT_1 var_248 = var_248_arg_0 | var_248_arg_1; [L710] SORT_1 var_249_arg_0 = state_43; [L711] SORT_1 var_249_arg_1 = var_248; [L712] SORT_1 var_249 = var_249_arg_0 & var_249_arg_1; [L713] SORT_1 var_250_arg_0 = var_247; [L714] SORT_1 var_250_arg_1 = var_249; [L715] SORT_1 var_250 = var_250_arg_0 | var_250_arg_1; [L716] SORT_1 var_251_arg_0 = state_43; [L717] SORT_1 var_251_arg_1 = var_248; [L718] SORT_1 var_251 = var_251_arg_0 | var_251_arg_1; [L719] SORT_1 var_252_arg_0 = state_45; [L720] SORT_1 var_252_arg_1 = var_251; [L721] SORT_1 var_252 = var_252_arg_0 & var_252_arg_1; [L722] SORT_1 var_253_arg_0 = var_250; [L723] SORT_1 var_253_arg_1 = var_252; [L724] SORT_1 var_253 = var_253_arg_0 | var_253_arg_1; [L725] SORT_1 var_254_arg_0 = var_246; [L726] SORT_1 var_254_arg_1 = ~var_253; [L727] var_254_arg_1 = var_254_arg_1 & mask_SORT_1 [L728] SORT_1 var_254 = var_254_arg_0 & var_254_arg_1; [L729] SORT_1 var_255_arg_0 = state_45; [L730] SORT_1 var_255_arg_1 = var_251; [L731] SORT_1 var_255 = var_255_arg_0 | var_255_arg_1; [L732] SORT_1 var_256_arg_0 = var_254; [L733] SORT_1 var_256_arg_1 = var_255; [L734] SORT_1 var_256 = var_256_arg_0 & var_256_arg_1; [L735] SORT_1 var_257_arg_0 = ~state_47; [L736] var_257_arg_0 = var_257_arg_0 & mask_SORT_1 [L737] SORT_1 var_257_arg_1 = state_49; [L738] SORT_1 var_257 = var_257_arg_0 & var_257_arg_1; [L739] SORT_1 var_258_arg_0 = var_256; [L740] SORT_1 var_258_arg_1 = ~var_257; [L741] var_258_arg_1 = var_258_arg_1 & mask_SORT_1 [L742] SORT_1 var_258 = var_258_arg_0 & var_258_arg_1; [L743] SORT_1 var_259_arg_0 = ~state_47; [L744] var_259_arg_0 = var_259_arg_0 & mask_SORT_1 [L745] SORT_1 var_259_arg_1 = state_49; [L746] SORT_1 var_259 = var_259_arg_0 | var_259_arg_1; [L747] SORT_1 var_260_arg_0 = var_258; [L748] SORT_1 var_260_arg_1 = var_259; [L749] SORT_1 var_260 = var_260_arg_0 & var_260_arg_1; [L750] SORT_1 var_261_arg_0 = ~state_51; [L751] var_261_arg_0 = var_261_arg_0 & mask_SORT_1 [L752] SORT_1 var_261_arg_1 = state_53; [L753] SORT_1 var_261 = var_261_arg_0 & var_261_arg_1; [L754] SORT_1 var_262_arg_0 = var_260; [L755] SORT_1 var_262_arg_1 = ~var_261; [L756] var_262_arg_1 = var_262_arg_1 & mask_SORT_1 [L757] SORT_1 var_262 = var_262_arg_0 & var_262_arg_1; [L758] SORT_1 var_263_arg_0 = ~state_51; [L759] var_263_arg_0 = var_263_arg_0 & mask_SORT_1 [L760] SORT_1 var_263_arg_1 = state_53; [L761] SORT_1 var_263 = var_263_arg_0 | var_263_arg_1; [L762] SORT_1 var_264_arg_0 = var_262; [L763] SORT_1 var_264_arg_1 = var_263; [L764] SORT_1 var_264 = var_264_arg_0 & var_264_arg_1; [L765] SORT_1 var_265_arg_0 = var_226; [L766] SORT_1 var_265_arg_1 = var_264; [L767] SORT_1 var_265 = var_265_arg_0 & var_265_arg_1; [L768] SORT_1 var_266_arg_0 = var_94; [L769] SORT_1 var_266_arg_1 = var_98; [L770] SORT_1 var_266 = var_266_arg_0 & var_266_arg_1; [L771] SORT_1 var_267_arg_0 = var_94; [L772] SORT_1 var_267_arg_1 = var_98; [L773] SORT_1 var_267 = var_267_arg_0 | var_267_arg_1; [L774] SORT_1 var_268_arg_0 = state_25; [L775] SORT_1 var_268_arg_1 = var_267; [L776] SORT_1 var_268 = var_268_arg_0 & var_268_arg_1; [L777] SORT_1 var_269_arg_0 = var_266; [L778] SORT_1 var_269_arg_1 = var_268; [L779] SORT_1 var_269 = var_269_arg_0 | var_269_arg_1; [L780] SORT_1 var_270_arg_0 = state_25; [L781] SORT_1 var_270_arg_1 = var_267; [L782] SORT_1 var_270 = var_270_arg_0 | var_270_arg_1; [L783] SORT_1 var_271_arg_0 = ~var_269; [L784] var_271_arg_0 = var_271_arg_0 & mask_SORT_1 [L785] SORT_1 var_271_arg_1 = var_270; [L786] SORT_1 var_271 = var_271_arg_0 & var_271_arg_1; [L787] SORT_1 var_272_arg_0 = var_101; [L788] SORT_1 var_272_arg_1 = var_103; [L789] SORT_1 var_272 = var_272_arg_0 & var_272_arg_1; [L790] SORT_1 var_273_arg_0 = var_101; [L791] SORT_1 var_273_arg_1 = var_103; [L792] SORT_1 var_273 = var_273_arg_0 | var_273_arg_1; [L793] SORT_1 var_274_arg_0 = state_31; [L794] SORT_1 var_274_arg_1 = var_273; [L795] SORT_1 var_274 = var_274_arg_0 & var_274_arg_1; [L796] SORT_1 var_275_arg_0 = var_272; [L797] SORT_1 var_275_arg_1 = var_274; [L798] SORT_1 var_275 = var_275_arg_0 | var_275_arg_1; [L799] SORT_1 var_276_arg_0 = var_271; [L800] SORT_1 var_276_arg_1 = ~var_275; [L801] var_276_arg_1 = var_276_arg_1 & mask_SORT_1 [L802] SORT_1 var_276 = var_276_arg_0 & var_276_arg_1; [L803] SORT_1 var_277_arg_0 = state_31; [L804] SORT_1 var_277_arg_1 = var_273; [L805] SORT_1 var_277 = var_277_arg_0 | var_277_arg_1; [L806] SORT_1 var_278_arg_0 = var_276; [L807] SORT_1 var_278_arg_1 = var_277; [L808] SORT_1 var_278 = var_278_arg_0 & var_278_arg_1; [L809] SORT_1 var_279_arg_0 = var_114; [L810] SORT_1 var_279_arg_1 = var_111; [L811] SORT_1 var_279 = var_279_arg_0 & var_279_arg_1; [L812] SORT_1 var_280_arg_0 = var_114; [L813] SORT_1 var_280_arg_1 = var_111; [L814] SORT_1 var_280 = var_280_arg_0 | var_280_arg_1; [L815] SORT_1 var_281_arg_0 = var_117; [L816] SORT_1 var_281_arg_1 = var_280; [L817] SORT_1 var_281 = var_281_arg_0 & var_281_arg_1; [L818] SORT_1 var_282_arg_0 = var_279; [L819] SORT_1 var_282_arg_1 = var_281; [L820] SORT_1 var_282 = var_282_arg_0 | var_282_arg_1; [L821] SORT_1 var_283_arg_0 = var_278; [L822] SORT_1 var_283_arg_1 = ~var_282; [L823] var_283_arg_1 = var_283_arg_1 & mask_SORT_1 [L824] SORT_1 var_283 = var_283_arg_0 & var_283_arg_1; [L825] SORT_1 var_284_arg_0 = var_117; [L826] SORT_1 var_284_arg_1 = var_280; [L827] SORT_1 var_284 = var_284_arg_0 | var_284_arg_1; [L828] SORT_1 var_285_arg_0 = var_283; [L829] SORT_1 var_285_arg_1 = var_284; [L830] SORT_1 var_285 = var_285_arg_0 & var_285_arg_1; [L831] SORT_1 var_286_arg_0 = var_123; [L832] SORT_1 var_286_arg_1 = var_129; [L833] SORT_1 var_286 = var_286_arg_0 & var_286_arg_1; [L834] SORT_1 var_287_arg_0 = var_123; [L835] SORT_1 var_287_arg_1 = var_129; [L836] SORT_1 var_287 = var_287_arg_0 | var_287_arg_1; [L837] SORT_1 var_288_arg_0 = var_132; [L838] SORT_1 var_288_arg_1 = var_287; [L839] SORT_1 var_288 = var_288_arg_0 & var_288_arg_1; [L840] SORT_1 var_289_arg_0 = var_286; [L841] SORT_1 var_289_arg_1 = var_288; [L842] SORT_1 var_289 = var_289_arg_0 | var_289_arg_1; [L843] SORT_1 var_290_arg_0 = var_132; [L844] SORT_1 var_290_arg_1 = var_287; [L845] SORT_1 var_290 = var_290_arg_0 | var_290_arg_1; [L846] SORT_1 var_291_arg_0 = var_135; [L847] SORT_1 var_291_arg_1 = var_290; [L848] SORT_1 var_291 = var_291_arg_0 & var_291_arg_1; [L849] SORT_1 var_292_arg_0 = var_289; [L850] SORT_1 var_292_arg_1 = var_291; [L851] SORT_1 var_292 = var_292_arg_0 | var_292_arg_1; [L852] SORT_1 var_293_arg_0 = var_285; [L853] SORT_1 var_293_arg_1 = ~var_292; [L854] var_293_arg_1 = var_293_arg_1 & mask_SORT_1 [L855] SORT_1 var_293 = var_293_arg_0 & var_293_arg_1; [L856] SORT_1 var_294_arg_0 = var_135; [L857] SORT_1 var_294_arg_1 = var_290; [L858] SORT_1 var_294 = var_294_arg_0 | var_294_arg_1; [L859] SORT_1 var_295_arg_0 = var_293; [L860] SORT_1 var_295_arg_1 = var_294; [L861] SORT_1 var_295 = var_295_arg_0 & var_295_arg_1; [L862] SORT_1 var_296_arg_0 = var_139; [L863] SORT_1 var_296_arg_1 = var_143; [L864] SORT_1 var_296 = var_296_arg_0 & var_296_arg_1; [L865] SORT_1 var_297_arg_0 = var_295; [L866] SORT_1 var_297_arg_1 = ~var_296; [L867] var_297_arg_1 = var_297_arg_1 & mask_SORT_1 [L868] SORT_1 var_297 = var_297_arg_0 & var_297_arg_1; [L869] SORT_1 var_298_arg_0 = var_139; [L870] SORT_1 var_298_arg_1 = var_143; [L871] SORT_1 var_298 = var_298_arg_0 | var_298_arg_1; [L872] SORT_1 var_299_arg_0 = var_297; [L873] SORT_1 var_299_arg_1 = var_298; [L874] SORT_1 var_299 = var_299_arg_0 & var_299_arg_1; [L875] SORT_1 var_300_arg_0 = var_146; [L876] SORT_1 var_300_arg_1 = var_149; [L877] SORT_1 var_300 = var_300_arg_0 & var_300_arg_1; [L878] SORT_1 var_301_arg_0 = var_299; [L879] SORT_1 var_301_arg_1 = ~var_300; [L880] var_301_arg_1 = var_301_arg_1 & mask_SORT_1 [L881] SORT_1 var_301 = var_301_arg_0 & var_301_arg_1; [L882] SORT_1 var_302_arg_0 = var_146; [L883] SORT_1 var_302_arg_1 = var_149; [L884] SORT_1 var_302 = var_302_arg_0 | var_302_arg_1; [L885] SORT_1 var_303_arg_0 = var_301; [L886] SORT_1 var_303_arg_1 = var_302; [L887] SORT_1 var_303 = var_303_arg_0 & var_303_arg_1; [L888] SORT_1 var_304_arg_0 = var_265; [L889] SORT_1 var_304_arg_1 = var_303; [L890] SORT_1 var_304 = var_304_arg_0 & var_304_arg_1; [L891] SORT_1 var_305_arg_0 = var_304; [L892] SORT_1 var_305_arg_1 = ~state_55; [L893] var_305_arg_1 = var_305_arg_1 & mask_SORT_1 [L894] SORT_1 var_305 = var_305_arg_0 & var_305_arg_1; [L895] SORT_1 next_306_arg_1 = ~var_305; [L896] next_306_arg_1 = next_306_arg_1 & mask_SORT_1 [L898] state_6 = next_62_arg_1 [L899] state_8 = next_73_arg_1 [L900] state_10 = next_74_arg_1 [L901] state_12 = next_80_arg_1 [L902] state_14 = next_83_arg_1 [L903] state_16 = next_89_arg_1 [L904] state_18 = next_91_arg_1 [L905] state_21 = next_95_arg_1 [L906] state_23 = next_99_arg_1 [L907] state_25 = next_100_arg_1 [L908] state_27 = next_102_arg_1 [L909] state_29 = next_104_arg_1 [L910] state_31 = next_105_arg_1 [L911] state_33 = next_112_arg_1 [L912] state_35 = next_115_arg_1 [L913] state_37 = next_118_arg_1 [L914] state_39 = next_124_arg_1 [L915] state_41 = next_130_arg_1 [L916] state_43 = next_133_arg_1 [L917] state_45 = next_136_arg_1 [L918] state_47 = next_140_arg_1 [L919] state_49 = next_144_arg_1 [L920] state_51 = next_147_arg_1 [L921] state_53 = next_150_arg_1 [L922] state_55 = next_306_arg_1 VAL [bad_59_arg_0=0, init_11_arg_1=0, init_13_arg_1=0, init_15_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_30_arg_1=0, init_32_arg_1=0, init_34_arg_1=0, init_36_arg_1=0, init_38_arg_1=0, init_40_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_46_arg_1=0, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_7_arg_1=0, init_9_arg_1=0, input_106=0, input_108=37, input_119=0, input_121=34, input_125=0, input_127=36, input_60=29, input_63=0, input_65=38, input_75=0, input_81=0, input_84=0, input_86=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, mask_SORT_4=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=8388608, msb_SORT_4=2147483648, next_100_arg_1=0, next_102_arg_1=0, next_104_arg_1=0, next_105_arg_1=0, next_112_arg_1=0, next_115_arg_1=0, next_118_arg_1=37, next_124_arg_1=0, next_130_arg_1=0, next_133_arg_1=0, next_136_arg_1=36, next_140_arg_1=0, next_144_arg_1=0, next_147_arg_1=0, next_150_arg_1=0, next_306_arg_1=0, next_62_arg_1=0, next_73_arg_1=1, next_74_arg_1=0, next_80_arg_1=0, next_83_arg_1=0, next_89_arg_1=0, next_91_arg_1=0, next_95_arg_1=0, next_99_arg_1=0, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_21=0, state_23=0, state_25=0, state_27=0, state_29=0, state_31=0, state_33=0, state_35=0, state_37=37, state_39=0, state_41=0, state_43=0, state_45=36, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_6=0, state_8=1, var_101=253, var_101_arg_0=253, var_101_arg_1=0, var_103=0, var_103_arg_0=0, var_103_arg_1=255, var_107=0, var_107_arg_0=0, var_107_arg_1=255, var_109=0, var_109_arg_0=0, var_109_arg_1=0, var_110=0, var_110_arg_0=0, var_110_arg_1=0, var_111=0, var_111_arg_0=0, var_111_arg_1=0, var_113=0, var_113_arg_0=0, var_113_arg_1=0, var_114=0, var_114_arg_0=0, var_114_arg_1=255, var_116=37, var_116_arg_0=0, var_116_arg_1=37, var_117=37, var_117_arg_0=37, var_117_arg_1=36, var_120=0, var_120_arg_0=0, var_120_arg_1=0, var_122=34, var_122_arg_0=0, var_122_arg_1=34, var_123=0, var_123_arg_0=34, var_123_arg_1=33, var_126=0, var_126_arg_0=0, var_126_arg_1=0, var_128=0, var_128_arg_0=0, var_128_arg_1=0, var_129=0, var_129_arg_0=0, var_129_arg_1=0, var_131=0, var_131_arg_0=0, var_131_arg_1=0, var_132=0, var_132_arg_0=0, var_132_arg_1=255, var_134=36, var_134_arg_0=0, var_134_arg_1=36, var_135=36, var_135_arg_0=36, var_135_arg_1=255, var_137=29, var_137_arg_0=0, var_137_arg_1=29, var_138=0, var_138_arg_0=29, var_138_arg_1=0, var_139=0, var_139_arg_0=0, var_139_arg_1=0, var_141=0, var_141_arg_0=0, var_141_arg_1=0, var_142=0, var_142_arg_0=0, var_142_arg_1=0, var_143=0, var_143_arg_0=0, var_143_arg_1=0, var_145=0, var_145_arg_0=28, var_145_arg_1=255, var_146=0, var_146_arg_0=0, var_146_arg_1=0, var_148=0, var_148_arg_0=0, var_148_arg_1=0, var_149=0, var_149_arg_0=0, var_149_arg_1=0, var_151=3, var_152=0, var_152_arg_0=3, var_152_arg_1=0, var_153=0, var_153_arg_0=0, var_153_arg_1=0, var_154=0, var_154_arg_0=0, var_154_arg_1=0, var_155=0, var_155_arg_0=3, var_155_arg_1=0, var_156=0, var_156_arg_0=0, var_156_arg_1=19, var_157=9, var_157_arg_0=9, var_157_arg_1=0, var_158=0, var_158_arg_0=0, var_158_arg_1=9, var_159=0, var_159_arg_0=0, var_159_arg_1=0, var_160=0, var_160_arg_0=0, var_160_arg_1=0, var_161=1, var_161_arg_0=1, var_161_arg_1=0, var_162=0, var_162_arg_0=0, var_162_arg_1=1, var_163=1, var_163_arg_0=0, var_163_arg_1=0, var_164=0, var_164_arg_0=0, var_164_arg_1=1, var_165=0, var_165_arg_0=0, var_165_arg_1=0, var_166=0, var_166_arg_0=0, var_166_arg_1=0, var_167=0, var_167_arg_0=1, var_167_arg_1=0, var_168=0, var_168_arg_0=0, 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=1, var_171_arg_0=0, var_171_arg_1=1, var_172=0, var_172_arg_0=0, var_172_arg_1=1, var_173=248, var_173_arg_0=0, var_173_arg_1=248, var_174=0, var_174_arg_0=0, var_174_arg_1=248, var_175=0, var_175_arg_0=246, var_175_arg_1=0, var_176=0, var_176_arg_0=0, var_176_arg_1=0, var_177=0, var_177_arg_0=0, var_177_arg_1=0, var_178=0, var_178_arg_0=0, var_178_arg_1=0, var_179=0, var_179_arg_0=0, var_179_arg_1=0, var_180=0, var_180_arg_0=0, var_180_arg_1=0, var_181=0, var_181_arg_0=0, var_181_arg_1=0, var_182=0, var_182_arg_0=0, var_182_arg_1=0, var_183=0, var_183_arg_0=0, var_183_arg_1=0, var_184=0, var_184_arg_0=0, var_184_arg_1=20, var_185=0, var_185_arg_0=0, var_185_arg_1=0, var_186=0, var_186_arg_0=0, var_186_arg_1=0, var_187=0, var_187_arg_0=7, var_187_arg_1=0, var_188=32, var_188_arg_0=32, var_188_arg_1=0, var_189=0, var_189_arg_0=0, var_189_arg_1=32, var_190=38, var_190_arg_0=38, var_190_arg_1=0, var_191=38, var_191_arg_0=0, var_191_arg_1=38, var_192=38, var_192_arg_0=37, var_192_arg_1=38, var_193=38, var_193_arg_0=0, var_193_arg_1=38, var_194=36, var_194_arg_0=36, var_194_arg_1=38, var_195=36, var_195_arg_0=0, var_195_arg_1=36, var_196=31, var_196_arg_0=34, var_196_arg_1=36, var_197=31, var_197_arg_0=29, var_197_arg_1=31, var_198=31, var_198_arg_0=0, var_198_arg_1=31, var_199=31, var_199_arg_0=0, var_199_arg_1=31, var_20=0, var_200=31, var_200_arg_0=0, var_200_arg_1=31, var_201=31, var_201_arg_0=0, var_201_arg_1=31, var_202=0, var_202_arg_0=0, var_202_arg_1=31, var_203=0, var_203_arg_0=38, var_203_arg_1=0, var_204=0, var_204_arg_0=0, var_204_arg_1=38, var_205=0, var_205_arg_0=0, var_205_arg_1=0, var_206=0, var_206_arg_0=37, var_206_arg_1=38, var_207=0, var_207_arg_0=0, var_207_arg_1=0, var_208=0, var_208_arg_0=0, var_208_arg_1=38, var_209=0, var_209_arg_0=0, var_209_arg_1=0, var_210=3, var_210_arg_0=36, var_210_arg_1=38, var_211=3, var_211_arg_0=0, var_211_arg_1=3, var_212=0, var_212_arg_0=0, var_212_arg_1=36, var_213=3, var_213_arg_0=3, var_213_arg_1=0, var_214=0, var_214_arg_0=34, var_214_arg_1=36, var_215=3, var_215_arg_0=3, var_215_arg_1=0, var_216=1, var_216_arg_0=29, var_216_arg_1=31, var_217=1, var_217_arg_0=3, var_217_arg_1=1, var_218=0, var_218_arg_0=0, var_218_arg_1=31, var_219=1, var_219_arg_0=1, var_219_arg_1=0, var_220=0, var_220_arg_0=0, var_220_arg_1=31, var_221=1, var_221_arg_0=1, var_221_arg_1=0, var_222=0, var_222_arg_0=0, var_222_arg_1=31, var_223=1, var_223_arg_0=1, var_223_arg_1=0, var_224=0, var_224_arg_0=0, var_224_arg_1=31, var_225=1, var_225_arg_0=1, var_225_arg_1=0, var_226=0, var_226_arg_0=0, var_226_arg_1=0, var_227=0, var_227_arg_0=0, var_227_arg_1=0, var_228=0, var_228_arg_0=0, var_228_arg_1=0, var_229=0, var_229_arg_0=0, var_229_arg_1=0, var_230=0, var_230_arg_0=0, var_230_arg_1=0, var_231=0, var_231_arg_0=0, var_231_arg_1=0, var_232=0, var_232_arg_0=16, var_232_arg_1=0, var_233=0, var_233_arg_0=252, var_233_arg_1=0, var_234=4, var_234_arg_0=4, var_234_arg_1=0, var_235=0, var_235_arg_0=0, var_235_arg_1=4, var_236=0, var_236_arg_0=0, var_236_arg_1=0, var_237=0, var_237_arg_0=0, var_237_arg_1=15, var_238=4, var_238_arg_0=0, var_238_arg_1=4, var_239=0, var_239_arg_0=0, var_239_arg_1=4, var_240=0, var_240_arg_0=0, var_240_arg_1=0, var_241=1, var_241_arg_0=1, var_241_arg_1=0, var_242=0, var_242_arg_0=0, var_242_arg_1=1, var_243=0, var_243_arg_0=0, var_243_arg_1=0, var_244=0, var_244_arg_0=0, var_244_arg_1=0, var_245=1, var_245_arg_0=0, var_245_arg_1=1, var_246=0, var_246_arg_0=0, var_246_arg_1=1, var_247=0, var_247_arg_0=0, var_247_arg_1=0, var_248=255, var_248_arg_0=255, var_248_arg_1=0, var_249=0, var_249_arg_0=0, var_249_arg_1=255, var_250=0, var_250_arg_0=0, var_250_arg_1=0, var_251=255, var_251_arg_0=0, var_251_arg_1=255, var_252=0, var_252_arg_0=0, var_252_arg_1=255, var_253=0, var_253_arg_0=0, var_253_arg_1=0, var_254=0, var_254_arg_0=0, var_254_arg_1=0, var_255=255, var_255_arg_0=0, var_255_arg_1=255, var_256=0, var_256_arg_0=0, var_256_arg_1=255, var_257=0, var_257_arg_0=0, var_257_arg_1=0, var_258=0, var_258_arg_0=0, var_258_arg_1=0, var_259=0, var_259_arg_0=0, var_259_arg_1=0, var_260=0, var_260_arg_0=0, var_260_arg_1=0, var_261=0, var_261_arg_0=0, var_261_arg_1=0, var_262=0, var_262_arg_0=0, var_262_arg_1=0, var_263=13, var_263_arg_0=13, var_263_arg_1=0, var_264=0, var_264_arg_0=0, var_264_arg_1=13, var_265=0, var_265_arg_0=0, var_265_arg_1=0, var_266=0, var_266_arg_0=22, var_266_arg_1=0, var_267=22, var_267_arg_0=22, var_267_arg_1=0, var_268=0, var_268_arg_0=0, var_268_arg_1=22, var_269=0, var_269_arg_0=0, var_269_arg_1=0, var_270=22, var_270_arg_0=0, var_270_arg_1=22, var_271=21, var_271_arg_0=21, var_271_arg_1=22, var_272=0, var_272_arg_0=253, var_272_arg_1=0, var_273=253, var_273_arg_0=253, var_273_arg_1=0, var_274=0, var_274_arg_0=0, var_274_arg_1=253, var_275=0, var_275_arg_0=0, var_275_arg_1=0, var_276=244, var_276_arg_0=21, var_276_arg_1=255, var_277=253, var_277_arg_0=0, var_277_arg_1=253, var_278=39, var_278_arg_0=244, var_278_arg_1=253, var_279=0, var_279_arg_0=0, var_279_arg_1=0, var_280=0, var_280_arg_0=0, var_280_arg_1=0, var_281=0, var_281_arg_0=37, var_281_arg_1=0, var_282=0, var_282_arg_0=0, var_282_arg_1=0, var_283=39, var_283_arg_0=39, var_283_arg_1=27, var_284=37, var_284_arg_0=37, var_284_arg_1=0, var_285=5, var_285_arg_0=39, var_285_arg_1=37, var_286=0, var_286_arg_0=0, var_286_arg_1=0, var_287=0, var_287_arg_0=0, var_287_arg_1=0, var_288=0, var_288_arg_0=0, var_288_arg_1=0, var_289=0, var_289_arg_0=0, var_289_arg_1=0, var_290=0, var_290_arg_0=0, var_290_arg_1=0, var_291=0, var_291_arg_0=36, var_291_arg_1=0, var_292=0, var_292_arg_0=0, var_292_arg_1=0, var_293=2, var_293_arg_0=5, var_293_arg_1=14, var_294=36, var_294_arg_0=36, var_294_arg_1=0, var_295=2, var_295_arg_0=2, var_295_arg_1=36, var_296=0, var_296_arg_0=0, var_296_arg_1=0, var_297=0, var_297_arg_0=2, var_297_arg_1=0, var_298=0, var_298_arg_0=0, var_298_arg_1=0, var_299=0, var_299_arg_0=0, var_299_arg_1=0, var_300=0, var_300_arg_0=0, var_300_arg_1=0, var_301=0, var_301_arg_0=0, var_301_arg_1=2, var_302=0, var_302_arg_0=0, var_302_arg_1=0, var_303=0, var_303_arg_0=0, var_303_arg_1=0, var_304=0, var_304_arg_0=0, var_304_arg_1=0, var_305=0, var_305_arg_0=0, var_305_arg_1=0, var_5=0, var_57=0, var_57_arg_0=0, var_57_arg_1=0, var_58=0, var_58_arg_0=0, var_58_arg_1=0, var_61=0, var_61_arg_0=29, var_61_arg_1=0, var_61_arg_2=0, var_64=0, var_66=1, var_67=0, var_68=0, var_68_arg_0=0, var_68_arg_1=0, var_69=1, var_69_arg_0=1, var_69_arg_1=0, var_70=1, var_70_arg_0=1, var_71=1, var_71_arg_0=38, var_71_arg_1=1, var_71_arg_2=0, var_72=1, var_72_arg_0=0, var_72_arg_1=0, var_72_arg_2=1, var_76=0, var_76_arg_0=0, var_76_arg_1=0, var_77=1, var_77_arg_0=1, var_77_arg_1=0, var_78=1, var_78_arg_0=1, var_79=0, var_79_arg_0=0, var_79_arg_1=1, var_79_arg_2=0, var_82=0, var_82_arg_0=0, var_82_arg_1=0, var_82_arg_2=0, var_85=1, var_87=0, var_87_arg_0=0, var_87_arg_1=0, var_87_arg_2=0, var_88=0, var_88_arg_0=0, var_88_arg_1=1, var_88_arg_2=0, var_90=0, var_90_arg_0=0, var_90_arg_1=0, var_90_arg_2=0, var_92=38, var_92_arg_0=38, var_92_arg_1=38, var_93=22, var_93_arg_0=38, var_93_arg_1=37, var_94=22, var_94_arg_0=22, var_94_arg_1=0, var_96=0, var_96_arg_0=0, var_96_arg_1=0, var_97=29, var_97_arg_0=0, var_97_arg_1=29, var_98=0, var_98_arg_0=29, var_98_arg_1=17] [L137] input_60 = __VERIFIER_nondet_uchar() [L138] input_60 = input_60 & mask_SORT_1 [L139] input_63 = __VERIFIER_nondet_uchar() [L140] input_63 = input_63 & mask_SORT_1 [L141] input_65 = __VERIFIER_nondet_uchar() [L142] input_65 = input_65 & mask_SORT_1 [L143] input_75 = __VERIFIER_nondet_uchar() [L144] input_75 = input_75 & mask_SORT_1 [L145] input_81 = __VERIFIER_nondet_uchar() [L146] input_81 = input_81 & mask_SORT_1 [L147] input_84 = __VERIFIER_nondet_uchar() [L148] input_84 = input_84 & mask_SORT_1 [L149] input_86 = __VERIFIER_nondet_uchar() [L150] input_86 = input_86 & mask_SORT_1 [L151] input_106 = __VERIFIER_nondet_uchar() [L152] input_108 = __VERIFIER_nondet_uchar() [L153] input_119 = __VERIFIER_nondet_uchar() [L154] input_121 = __VERIFIER_nondet_uchar() [L155] input_125 = __VERIFIER_nondet_uchar() [L156] input_127 = __VERIFIER_nondet_uchar() [L159] SORT_1 var_57_arg_0 = state_43; [L160] SORT_1 var_57_arg_1 = state_45; [L161] SORT_1 var_57 = var_57_arg_0 | var_57_arg_1; [L162] SORT_1 var_58_arg_0 = ~state_55; [L163] var_58_arg_0 = var_58_arg_0 & mask_SORT_1 [L164] SORT_1 var_58_arg_1 = var_57; [L165] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L166] var_58 = var_58 & mask_SORT_1 [L167] SORT_1 bad_59_arg_0 = var_58; [L168] CALL __VERIFIER_assert(!(bad_59_arg_0)) [L20] COND TRUE !(cond) VAL [cond=0, unknown-#in~cond-unknown=0] [L20] reach_error() VAL [cond=0, unknown-#in~cond-unknown=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 35.3s, OverallIterations: 2, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 2.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 2 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 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, 20.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 12 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 [2022-11-23 15:40:46,182 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW --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 aa839a4e8ed9339d6ad436e2f1e2721e6ff88794668222413ef781c5602de5f5 --- 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-4e7fbc6 [2022-11-23 15:40:48,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:40:48,653 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:40:48,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:40:48,698 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:40:48,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:40:48,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:40:48,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:40:48,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:40:48,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:40:48,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:40:48,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:40:48,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:40:48,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:40:48,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:40:48,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:40:48,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:40:48,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:40:48,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:40:48,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:40:48,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:40:48,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:40:48,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:40:48,722 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:40:48,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:40:48,726 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:40:48,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:40:48,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:40:48,728 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:40:48,729 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:40:48,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:40:48,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:40:48,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:40:48,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:40:48,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:40:48,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:40:48,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:40:48,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:40:48,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:40:48,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:40:48,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:40:48,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Bitvector.epf [2022-11-23 15:40:48,762 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:40:48,762 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:40:48,763 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:40:48,763 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:40:48,764 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:40:48,764 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:40:48,764 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:40:48,764 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:40:48,764 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:40:48,765 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:40:48,765 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:40:48,765 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:40:48,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:40:48,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:40:48,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:40:48,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:40:48,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:40:48,767 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 15:40:48,767 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 15:40:48,767 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 15:40:48,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:40:48,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:40:48,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:40:48,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:40:48,768 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 15:40:48,768 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:40:48,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:48,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:40:48,769 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:40:48,769 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:40:48,769 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 15:40:48,769 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 15:40:48,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:40:48,770 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:40:48,770 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 15:40:48,770 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_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa839a4e8ed9339d6ad436e2f1e2721e6ff88794668222413ef781c5602de5f5 [2022-11-23 15:40:49,145 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:40:49,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:40:49,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:40:49,179 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:40:49,180 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:40:49,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:40:52,366 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:40:52,726 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:40:52,727 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:40:52,738 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/f00970afd/458931e7e06644399bd4c1df81ba3888/FLAGb815807d2 [2022-11-23 15:40:52,756 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/data/f00970afd/458931e7e06644399bd4c1df81ba3888 [2022-11-23 15:40:52,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:40:52,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:40:52,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:52,761 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:40:52,773 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:40:52,774 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:52" (1/1) ... [2022-11-23 15:40:52,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6caf6522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:52, skipping insertion in model container [2022-11-23 15:40:52,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:40:52" (1/1) ... [2022-11-23 15:40:52,783 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:40:52,845 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:40:53,048 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_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1014,1027] [2022-11-23 15:40:53,323 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:53,329 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:40:53,340 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_3f4617c3-9df5-4edc-a69f-86426fc47392/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.protocols.1.prop1-func-interl.c[1014,1027] [2022-11-23 15:40:53,483 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:40:53,499 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:40:53,500 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53 WrapperNode [2022-11-23 15:40:53,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:40:53,502 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:53,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:40:53,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:40:53,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,554 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,622 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 936 [2022-11-23 15:40:53,623 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:40:53,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:40:53,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:40:53,624 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:40:53,634 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,667 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,668 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,696 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,700 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,722 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:40:53,723 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:40:53,723 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:40:53,723 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:40:53,724 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (1/1) ... [2022-11-23 15:40:53,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:40:53,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:40:53,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:40:53,809 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:40:53,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:40:53,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:40:54,105 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:40:54,107 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:40:55,600 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:40:55,607 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:40:55,607 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:40:55,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:55 BoogieIcfgContainer [2022-11-23 15:40:55,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:40:55,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:40:55,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:40:55,615 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:40:55,616 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:40:52" (1/3) ... [2022-11-23 15:40:55,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7ab183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:55, skipping insertion in model container [2022-11-23 15:40:55,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:40:53" (2/3) ... [2022-11-23 15:40:55,617 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e7ab183 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:40:55, skipping insertion in model container [2022-11-23 15:40:55,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:40:55" (3/3) ... [2022-11-23 15:40:55,619 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.protocols.1.prop1-func-interl.c [2022-11-23 15:40:55,638 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:40:55,639 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:40:55,702 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:40:55,710 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;@3ee0eaf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:40:55,711 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:40:55,715 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:55,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-23 15:40:55,722 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:55,723 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-23 15:40:55,724 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:55,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:55,731 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-23 15:40:55,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:40:55,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2125882186] [2022-11-23 15:40:55,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:55,754 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:55,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:40:55,755 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:40:55,757 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 15:40:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:56,034 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 15 conjunts are in the unsatisfiable core [2022-11-23 15:40:56,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:40:56,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:56,172 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:40:56,173 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:40:56,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2125882186] [2022-11-23 15:40:56,174 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2125882186] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:40:56,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:40:56,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-23 15:40:56,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596555808] [2022-11-23 15:40:56,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:40:56,182 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:40:56,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:40:56,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:40:56,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:40:56,232 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:56,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:40:56,360 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-23 15:40:56,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-23 15:40:56,365 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-23 15:40:56,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:40:56,373 INFO L225 Difference]: With dead ends: 20 [2022-11-23 15:40:56,374 INFO L226 Difference]: Without dead ends: 11 [2022-11-23 15:40:56,376 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:40:56,381 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-23 15:40:56,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-23 15:40:56,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-23 15:40:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-23 15:40:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:56,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-23 15:40:56,417 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-23 15:40:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:40:56,417 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-23 15:40:56,418 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:40:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-23 15:40:56,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:40:56,419 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:40:56,419 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-23 15:40:56,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:40:56,631 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:56,631 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:40:56,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:40:56,632 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-23 15:40:56,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:40:56,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1002964343] [2022-11-23 15:40:56,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:56,635 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:40:56,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:40:56,637 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:40:56,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 15:40:57,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:57,151 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-23 15:40:57,160 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:40:57,667 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:57,668 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:40:58,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:58,196 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:40:58,196 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1002964343] [2022-11-23 15:40:58,197 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1002964343] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:40:58,201 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [963856268] [2022-11-23 15:40:58,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:40:58,202 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:40:58,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:40:58,207 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:40:58,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2022-11-23 15:40:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:40:59,092 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-23 15:40:59,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:40:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:40:59,385 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:41:03,785 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:03,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [963856268] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:41:03,786 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127474831] [2022-11-23 15:41:03,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:41:03,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:41:03,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:41:03,791 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:41:03,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:41:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:41:04,205 INFO L263 TraceCheckSpWp]: Trace formula consists of 783 conjuncts, 77 conjunts are in the unsatisfiable core [2022-11-23 15:41:04,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:04,555 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:04,556 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:41:17,297 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:17,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2127474831] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:41:17,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:41:17,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5, 5, 6, 6] total 12 [2022-11-23 15:41:17,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120087520] [2022-11-23 15:41:17,305 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:41:17,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-23 15:41:17,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:41:17,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-23 15:41:17,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=91, Unknown=8, NotChecked=0, Total=132 [2022-11-23 15:41:17,308 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:41:18,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:41:18,102 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-23 15:41:18,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:41:18,102 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-23 15:41:18,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:41:18,103 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:41:18,103 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 15:41:18,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 17.5s TimeCoverageRelationStatistics Valid=62, Invalid=140, Unknown=8, NotChecked=0, Total=210 [2022-11-23 15:41:18,105 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 16 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:41:18,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 27 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-23 15:41:18,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 15:41:18,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-23 15:41:18,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:41:18,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-23 15:41:18,111 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-23 15:41:18,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:41:18,112 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-23 15:41:18,112 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0) internal successors, (24), 12 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:41:18,112 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-23 15:41:18,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 15:41:18,113 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:41:18,113 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-23 15:41:18,136 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-23 15:41:18,333 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:41:18,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:41:18,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:41:18,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:41:18,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:41:18,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-23 15:41:18,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:41:18,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1149371157] [2022-11-23 15:41:18,732 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:41:18,732 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:41:18,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:41:18,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:41:18,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-23 15:41:19,401 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:41:19,402 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:41:19,435 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 124 conjunts are in the unsatisfiable core [2022-11-23 15:41:19,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:20,320 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:20,322 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:41:21,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:21,642 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:41:21,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1149371157] [2022-11-23 15:41:21,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1149371157] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:41:21,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [712819872] [2022-11-23 15:41:21,643 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:41:21,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:41:21,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:41:21,644 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:41:21,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2022-11-23 15:41:22,787 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:41:22,787 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:41:22,832 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 124 conjunts are in the unsatisfiable core [2022-11-23 15:41:22,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:29,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:29,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:41:38,903 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:38,903 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [712819872] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:41:38,904 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1996996619] [2022-11-23 15:41:38,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-23 15:41:38,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:41:38,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:41:38,905 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:41:38,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:41:39,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-23 15:41:39,505 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:41:39,521 INFO L263 TraceCheckSpWp]: Trace formula consists of 1474 conjuncts, 110 conjunts are in the unsatisfiable core [2022-11-23 15:41:39,531 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:41:42,006 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:41:42,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:42:11,426 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:42:11,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1996996619] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:42:11,427 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:42:11,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 8, 8] total 21 [2022-11-23 15:42:11,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682637002] [2022-11-23 15:42:11,428 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:42:11,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-11-23 15:42:11,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:42:11,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-11-23 15:42:11,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=333, Unknown=19, NotChecked=0, Total=420 [2022-11-23 15:42:11,430 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:16,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:18,871 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:20,876 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:22,882 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:34,009 WARN L233 SmtUtils]: Spent 10.52s on a formula simplification. DAG size of input: 548 DAG size of output: 396 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:42:36,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:42:37,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:42:45,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:46,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:48,932 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:51,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:52,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:42:54,124 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:42:55,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:42:55,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:42:55,255 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2022-11-23 15:42:55,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-23 15:42:55,255 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-23 15:42:55,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:42:55,256 INFO L225 Difference]: With dead ends: 22 [2022-11-23 15:42:55,256 INFO L226 Difference]: Without dead ends: 20 [2022-11-23 15:42:55,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 67.7s TimeCoverageRelationStatistics Valid=147, Invalid=481, Unknown=22, NotChecked=0, Total=650 [2022-11-23 15:42:55,258 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 53 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 14 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:42:55,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 42 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 50 Invalid, 9 Unknown, 0 Unchecked, 23.4s Time] [2022-11-23 15:42:55,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2022-11-23 15:42:55,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 18. [2022-11-23 15:42:55,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.0588235294117647) internal successors, (18), 17 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:55,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2022-11-23 15:42:55,268 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 11 [2022-11-23 15:42:55,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:42:55,269 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2022-11-23 15:42:55,269 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.0476190476190474) internal successors, (43), 21 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:42:55,269 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2022-11-23 15:42:55,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-11-23 15:42:55,270 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:42:55,270 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 1, 1, 1, 1] [2022-11-23 15:42:55,288 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:55,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:55,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-23 15:42:55,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:42:55,884 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:42:55,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:42:55,885 INFO L85 PathProgramCache]: Analyzing trace with hash -1250702327, now seen corresponding path program 3 times [2022-11-23 15:42:55,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:42:55,888 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [730715336] [2022-11-23 15:42:55,888 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:42:55,888 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:42:55,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:42:55,889 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:42:55,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2022-11-23 15:42:56,937 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-23 15:42:56,937 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:42:56,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 227 conjunts are in the unsatisfiable core [2022-11-23 15:42:56,996 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:43:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 24 refuted. 2 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:08,132 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:43:32,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:43:32,614 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 15:43:32,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [730715336] [2022-11-23 15:43:32,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [730715336] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:43:32,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1752058962] [2022-11-23 15:43:32,614 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:43:32,614 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2022-11-23 15:43:32,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 [2022-11-23 15:43:32,618 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2022-11-23 15:43:32,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2022-11-23 15:43:34,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-23 15:43:34,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:43:34,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 209 conjunts are in the unsatisfiable core [2022-11-23 15:43:34,710 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 21 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:06,788 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:19,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1752058962] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:19,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1541446167] [2022-11-23 15:44:19,743 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:44:19,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:19,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:19,746 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:44:19,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-23 15:44:20,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-23 15:44:20,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:44:20,703 INFO L263 TraceCheckSpWp]: Trace formula consists of 2856 conjuncts, 227 conjunts are in the unsatisfiable core [2022-11-23 15:44:20,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:45:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:45:38,947 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:47:23,718 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:47:23,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1541446167] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:47:23,719 INFO L184 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2022-11-23 15:47:23,719 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 8, 8, 10, 10] total 37 [2022-11-23 15:47:23,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442731972] [2022-11-23 15:47:23,719 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2022-11-23 15:47:23,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2022-11-23 15:47:23,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 15:47:23,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2022-11-23 15:47:23,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=1081, Unknown=86, NotChecked=0, Total=1332 [2022-11-23 15:47:23,722 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:47:33,710 WARN L233 SmtUtils]: Spent 9.50s on a formula simplification. DAG size of input: 632 DAG size of output: 519 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:45,426 WARN L233 SmtUtils]: Spent 9.56s on a formula simplification. DAG size of input: 640 DAG size of output: 522 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:47:47,554 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:48:13,646 WARN L233 SmtUtils]: Spent 10.92s on a formula simplification. DAG size of input: 995 DAG size of output: 289 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:48:15,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0, 1] [2022-11-23 15:48:29,400 WARN L233 SmtUtils]: Spent 9.02s on a formula simplification. DAG size of input: 634 DAG size of output: 597 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:48:31,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:49:32,808 WARN L233 SmtUtils]: Spent 45.64s on a formula simplification. DAG size of input: 1417 DAG size of output: 1279 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:49:35,072 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:50:09,019 WARN L233 SmtUtils]: Spent 25.31s on a formula simplification. DAG size of input: 908 DAG size of output: 903 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:50:11,312 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:50:13,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:51:04,888 WARN L233 SmtUtils]: Spent 34.27s on a formula simplification. DAG size of input: 1341 DAG size of output: 1203 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:51:07,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:51:33,762 WARN L233 SmtUtils]: Spent 12.73s on a formula simplification. DAG size of input: 775 DAG size of output: 770 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:51:35,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:51:37,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:51:39,937 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:51:41,972 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:07,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:09,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:11,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:13,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:15,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:17,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:19,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:21,893 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:23,901 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:25,934 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:28,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-23 15:52:55,003 WARN L233 SmtUtils]: Spent 12.13s on a formula simplification that was a NOOP. DAG size: 273 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:52:55,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:52:55,005 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2022-11-23 15:52:55,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-23 15:52:55,006 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 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 17 [2022-11-23 15:52:55,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:52:55,007 INFO L225 Difference]: With dead ends: 25 [2022-11-23 15:52:55,007 INFO L226 Difference]: Without dead ends: 23 [2022-11-23 15:52:55,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 540.9s TimeCoverageRelationStatistics Valid=422, Invalid=1620, Unknown=120, NotChecked=0, Total=2162 [2022-11-23 15:52:55,010 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 67 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 25 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 47.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 47.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:52:55,012 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 57 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 74 Invalid, 22 Unknown, 0 Unchecked, 47.0s Time] [2022-11-23 15:52:55,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-23 15:52:55,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2022-11-23 15:52:55,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:55,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2022-11-23 15:52:55,035 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 17 [2022-11-23 15:52:55,036 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:52:55,036 INFO L495 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2022-11-23 15:52:55,036 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 2.135135135135135) internal successors, (79), 37 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 15:52:55,036 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2022-11-23 15:52:55,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:52:55,037 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:52:55,037 INFO L195 NwaCegarLoop]: trace histogram [6, 5, 5, 1, 1, 1, 1] [2022-11-23 15:52:55,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:55,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:55,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Forceful destruction successful, exit code 0 [2022-11-23 15:52:55,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:52:55,640 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:52:55,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:52:55,641 INFO L85 PathProgramCache]: Analyzing trace with hash -826954269, now seen corresponding path program 4 times [2022-11-23 15:52:55,644 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 15:52:55,644 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1159878318] [2022-11-23 15:52:55,644 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-23 15:52:55,644 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 15:52:55,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 15:52:55,646 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 15:52:55,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3f4617c3-9df5-4edc-a69f-86426fc47392/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (12)] Waiting until timeout for monitored process [2022-11-23 15:52:56,695 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-23 15:52:56,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:52:56,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 3547 conjuncts, 318 conjunts are in the unsatisfiable core [2022-11-23 15:52:56,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:53:43,881 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 29 refuted. 11 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:53:43,881 INFO L328 TraceCheckSpWp]: Computing backward predicates...