./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8d951c4402488c95b1d9f665863df74bf845558698369360669f9c187af26b8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:16:56,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:16:56,470 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:16:56,501 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:16:56,501 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:16:56,504 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:16:56,507 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:16:56,509 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:16:56,511 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:16:56,519 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:16:56,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:16:56,522 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:16:56,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:16:56,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:16:56,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:16:56,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:16:56,531 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:16:56,532 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:16:56,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:16:56,541 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:16:56,542 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:16:56,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:16:56,547 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:16:56,548 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:16:56,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:16:56,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:16:56,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:16:56,555 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:16:56,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:16:56,556 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:16:56,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:16:56,557 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:16:56,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:16:56,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:16:56,560 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:16:56,560 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:16:56,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:16:56,561 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:16:56,561 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:16:56,562 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:16:56,562 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:16:56,568 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:16:56,605 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:16:56,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:16:56,605 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:16:56,606 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:16:56,606 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:16:56,606 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:16:56,610 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:16:56,610 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:16:56,610 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:16:56,610 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:16:56,611 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:16:56,612 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:16:56,612 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:16:56,612 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:16:56,612 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:16:56,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:16:56,613 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:16:56,613 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:16:56,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:16:56,613 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:16:56,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:16:56,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:56,614 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:16:56,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:16:56,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:16:56,615 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:16:56,616 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:16:56,617 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:16:56,617 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:16:56,617 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:16:56,617 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_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d951c4402488c95b1d9f665863df74bf845558698369360669f9c187af26b8 [2022-11-16 11:16:56,876 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:16:56,909 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:16:56,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:16:56,915 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:16:56,916 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:16:56,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:16:57,005 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/1f9e03702/9f8859d8a25f4836a8a81911b1d7ad4a/FLAG644e7695d [2022-11-16 11:16:57,673 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:16:57,673 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:16:57,689 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/1f9e03702/9f8859d8a25f4836a8a81911b1d7ad4a/FLAG644e7695d [2022-11-16 11:16:57,837 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/1f9e03702/9f8859d8a25f4836a8a81911b1d7ad4a [2022-11-16 11:16:57,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:16:57,840 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:16:57,842 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:57,842 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:16:57,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:16:57,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:57" (1/1) ... [2022-11-16 11:16:57,853 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388ea116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:57, skipping insertion in model container [2022-11-16 11:16:57,854 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:16:57" (1/1) ... [2022-11-16 11:16:57,861 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:16:57,922 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:16:58,176 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1014,1027] [2022-11-16 11:16:58,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:58,643 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:16:58,657 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1014,1027] [2022-11-16 11:16:58,824 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:16:58,837 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:16:58,838 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58 WrapperNode [2022-11-16 11:16:58,839 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:16:58,840 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:58,841 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:16:58,841 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:16:58,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:58,906 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,090 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3393 [2022-11-16 11:16:59,091 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:16:59,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:16:59,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:16:59,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:16:59,101 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,102 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,185 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,268 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,281 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,297 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:16:59,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:16:59,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:16:59,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:16:59,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (1/1) ... [2022-11-16 11:16:59,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:16:59,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:16:59,351 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:16:59,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:16:59,387 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:16:59,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:16:59,949 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:16:59,952 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:17:08,896 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:17:08,918 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:17:08,918 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:17:08,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:08 BoogieIcfgContainer [2022-11-16 11:17:08,922 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:17:08,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:17:08,925 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:17:08,928 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:17:08,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:16:57" (1/3) ... [2022-11-16 11:17:08,929 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab3acd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:08, skipping insertion in model container [2022-11-16 11:17:08,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:16:58" (2/3) ... [2022-11-16 11:17:08,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ab3acd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:08, skipping insertion in model container [2022-11-16 11:17:08,930 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:08" (3/3) ... [2022-11-16 11:17:08,932 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:17:08,956 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:17:08,957 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:17:09,050 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:17:09,061 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@31e9a2a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:17:09,062 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:17:09,072 INFO L276 IsEmpty]: Start isEmpty. Operand has 494 states, 492 states have (on average 1.6626016260162602) internal successors, (818), 493 states have internal predecessors, (818), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:09,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-11-16 11:17:09,081 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:09,082 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:09,083 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:09,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:09,088 INFO L85 PathProgramCache]: Analyzing trace with hash -1757961959, now seen corresponding path program 1 times [2022-11-16 11:17:09,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:09,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970806068] [2022-11-16 11:17:09,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:09,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:09,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:09,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:09,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:09,808 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970806068] [2022-11-16 11:17:09,808 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1970806068] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:09,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:09,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:09,811 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461412300] [2022-11-16 11:17:09,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:09,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:09,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:09,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:09,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:09,866 INFO L87 Difference]: Start difference. First operand has 494 states, 492 states have (on average 1.6626016260162602) internal successors, (818), 493 states have internal predecessors, (818), 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 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:10,068 INFO L93 Difference]: Finished difference Result 1516 states and 2522 transitions. [2022-11-16 11:17:10,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:10,073 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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 37 [2022-11-16 11:17:10,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:10,090 INFO L225 Difference]: With dead ends: 1516 [2022-11-16 11:17:10,090 INFO L226 Difference]: Without dead ends: 1024 [2022-11-16 11:17:10,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:17:10,098 INFO L413 NwaCegarLoop]: 890 mSDtfsCounter, 2412 mSDsluCounter, 963 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2412 SdHoareTripleChecker+Valid, 1853 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:10,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2412 Valid, 1853 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:17:10,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1024 states. [2022-11-16 11:17:10,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1024 to 492. [2022-11-16 11:17:10,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 492 states, 491 states have (on average 1.6578411405295315) internal successors, (814), 491 states have internal predecessors, (814), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 492 states to 492 states and 814 transitions. [2022-11-16 11:17:10,181 INFO L78 Accepts]: Start accepts. Automaton has 492 states and 814 transitions. Word has length 37 [2022-11-16 11:17:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:10,181 INFO L495 AbstractCegarLoop]: Abstraction has 492 states and 814 transitions. [2022-11-16 11:17:10,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,181 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 814 transitions. [2022-11-16 11:17:10,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-16 11:17:10,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:10,183 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:10,183 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:17:10,183 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:10,184 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:10,184 INFO L85 PathProgramCache]: Analyzing trace with hash 1339479259, now seen corresponding path program 1 times [2022-11-16 11:17:10,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:10,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79278153] [2022-11-16 11:17:10,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:10,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:10,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:10,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:10,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:10,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79278153] [2022-11-16 11:17:10,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79278153] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:10,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:10,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:10,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740141517] [2022-11-16 11:17:10,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:10,358 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:10,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:10,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:10,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:10,360 INFO L87 Difference]: Start difference. First operand 492 states and 814 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:10,451 INFO L93 Difference]: Finished difference Result 1951 states and 3236 transitions. [2022-11-16 11:17:10,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:10,452 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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 38 [2022-11-16 11:17:10,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:10,457 INFO L225 Difference]: With dead ends: 1951 [2022-11-16 11:17:10,458 INFO L226 Difference]: Without dead ends: 1461 [2022-11-16 11:17:10,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:17:10,461 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 2400 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2400 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:10,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2400 Valid, 2563 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:17:10,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1461 states. [2022-11-16 11:17:10,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1461 to 497. [2022-11-16 11:17:10,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.655241935483871) internal successors, (821), 496 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 821 transitions. [2022-11-16 11:17:10,483 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 821 transitions. Word has length 38 [2022-11-16 11:17:10,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:10,483 INFO L495 AbstractCegarLoop]: Abstraction has 497 states and 821 transitions. [2022-11-16 11:17:10,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,484 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 821 transitions. [2022-11-16 11:17:10,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-16 11:17:10,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:10,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:10,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:17:10,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:10,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:10,486 INFO L85 PathProgramCache]: Analyzing trace with hash 1318965519, now seen corresponding path program 1 times [2022-11-16 11:17:10,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:10,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256601546] [2022-11-16 11:17:10,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:10,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:10,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:10,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:10,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:17:10,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256601546] [2022-11-16 11:17:10,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [256601546] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:10,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:10,697 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:10,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973026289] [2022-11-16 11:17:10,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:10,698 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:10,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:17:10,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:10,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:10,699 INFO L87 Difference]: Start difference. First operand 497 states and 821 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:10,787 INFO L93 Difference]: Finished difference Result 1966 states and 3255 transitions. [2022-11-16 11:17:10,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:10,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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 39 [2022-11-16 11:17:10,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:10,793 INFO L225 Difference]: With dead ends: 1966 [2022-11-16 11:17:10,793 INFO L226 Difference]: Without dead ends: 1471 [2022-11-16 11:17:10,795 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:17:10,796 INFO L413 NwaCegarLoop]: 884 mSDtfsCounter, 2402 mSDsluCounter, 1679 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2402 SdHoareTripleChecker+Valid, 2563 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:10,797 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2402 Valid, 2563 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:17:10,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1471 states. [2022-11-16 11:17:10,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1471 to 497. [2022-11-16 11:17:10,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 496 states have (on average 1.655241935483871) internal successors, (821), 496 states have internal predecessors, (821), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 821 transitions. [2022-11-16 11:17:10,828 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 821 transitions. Word has length 39 [2022-11-16 11:17:10,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:10,828 INFO L495 AbstractCegarLoop]: Abstraction has 497 states and 821 transitions. [2022-11-16 11:17:10,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:10,830 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 821 transitions. [2022-11-16 11:17:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-16 11:17:10,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:10,834 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:10,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:17:10,836 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:10,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:10,837 INFO L85 PathProgramCache]: Analyzing trace with hash 2022793151, now seen corresponding path program 1 times [2022-11-16 11:17:10,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:17:10,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809454543] [2022-11-16 11:17:10,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:10,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:17:10,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:17:10,911 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:17:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:17:11,025 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:17:11,026 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:17:11,027 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:17:11,030 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:17:11,038 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:17:11,042 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:17:11,173 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:17:11,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:17:11 BoogieIcfgContainer [2022-11-16 11:17:11,205 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:17:11,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:17:11,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:17:11,206 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:17:11,206 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:08" (3/4) ... [2022-11-16 11:17:11,209 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:17:11,209 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:17:11,210 INFO L158 Benchmark]: Toolchain (without parser) took 13369.75ms. Allocated memory was 125.8MB in the beginning and 761.3MB in the end (delta: 635.4MB). Free memory was 85.9MB in the beginning and 319.9MB in the end (delta: -234.0MB). Peak memory consumption was 400.5MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,211 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:17:11,211 INFO L158 Benchmark]: CACSL2BoogieTranslator took 997.85ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 79.4MB in the end (delta: 6.4MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,212 INFO L158 Benchmark]: Boogie Procedure Inliner took 250.80ms. Allocated memory is still 125.8MB. Free memory was 79.4MB in the beginning and 57.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,212 INFO L158 Benchmark]: Boogie Preprocessor took 228.28ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 57.4MB in the beginning and 108.6MB in the end (delta: -51.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,218 INFO L158 Benchmark]: RCFGBuilder took 9601.71ms. Allocated memory was 176.2MB in the beginning and 761.3MB in the end (delta: 585.1MB). Free memory was 108.6MB in the beginning and 573.8MB in the end (delta: -465.2MB). Peak memory consumption was 451.1MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,219 INFO L158 Benchmark]: TraceAbstraction took 2280.55ms. Allocated memory is still 761.3MB. Free memory was 573.8MB in the beginning and 319.9MB in the end (delta: 253.9MB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. [2022-11-16 11:17:11,219 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 761.3MB. Free memory is still 319.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:17:11,224 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 125.8MB. Free memory is still 106.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 997.85ms. Allocated memory is still 125.8MB. Free memory was 85.8MB in the beginning and 79.4MB in the end (delta: 6.4MB). Peak memory consumption was 47.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 250.80ms. Allocated memory is still 125.8MB. Free memory was 79.4MB in the beginning and 57.4MB in the end (delta: 22.0MB). Peak memory consumption was 25.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 228.28ms. Allocated memory was 125.8MB in the beginning and 176.2MB in the end (delta: 50.3MB). Free memory was 57.4MB in the beginning and 108.6MB in the end (delta: -51.2MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. * RCFGBuilder took 9601.71ms. Allocated memory was 176.2MB in the beginning and 761.3MB in the end (delta: 585.1MB). Free memory was 108.6MB in the beginning and 573.8MB in the end (delta: -465.2MB). Peak memory consumption was 451.1MB. Max. memory is 16.1GB. * TraceAbstraction took 2280.55ms. Allocated memory is still 761.3MB. Free memory was 573.8MB in the beginning and 319.9MB in the end (delta: 253.9MB). Peak memory consumption was 253.8MB. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 761.3MB. Free memory is still 319.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 286, overapproximation of bitwiseAnd at line 288. 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 - 32); [L32] const SORT_3 msb_SORT_3 = (SORT_3)1 << (32 - 1); [L34] const SORT_2 var_4 = 0; [L35] const SORT_1 var_25 = 0; [L36] const SORT_3 var_88 = 1; [L37] const SORT_3 var_89 = 0; [L38] const SORT_2 var_98 = 255; [L39] const SORT_2 var_100 = 0; [L40] const SORT_2 var_103 = 2; [L41] const SORT_2 var_107 = 1; [L43] SORT_1 input_99; [L44] SORT_1 input_104; [L45] SORT_1 input_108; [L46] SORT_1 input_111; [L47] SORT_1 input_123; [L48] SORT_1 input_135; [L49] SORT_1 input_147; [L50] SORT_1 input_150; [L51] SORT_1 input_153; [L52] SORT_1 input_156; [L53] SORT_1 input_166; [L54] SORT_1 input_176; [L55] SORT_1 input_186; [L56] SORT_1 input_187; [L57] SORT_1 input_188; [L58] SORT_1 input_189; [L59] SORT_1 input_190; [L60] SORT_1 input_191; [L61] SORT_1 input_215; [L62] SORT_1 input_217; [L63] SORT_1 input_227; [L64] SORT_1 input_232; [L65] SORT_1 input_234; [L66] SORT_1 input_239; [L67] SORT_1 input_243; [L68] SORT_1 input_258; [L69] SORT_1 input_260; [L70] SORT_1 input_270; [L71] SORT_1 input_275; [L72] SORT_1 input_277; [L73] SORT_1 input_282; [L74] SORT_1 input_286; [L75] SORT_1 input_301; [L76] SORT_1 input_303; [L77] SORT_1 input_313; [L78] SORT_1 input_318; [L79] SORT_1 input_320; [L80] SORT_1 input_325; [L81] SORT_1 input_329; [L83] SORT_2 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L84] SORT_2 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L85] SORT_2 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L86] SORT_2 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L87] SORT_2 state_13 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L88] SORT_2 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L89] SORT_2 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L90] SORT_2 state_19 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L91] SORT_2 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] SORT_2 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] SORT_1 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_1 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L95] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L96] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L97] SORT_1 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L98] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] SORT_1 state_40 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] SORT_1 state_42 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] SORT_1 state_44 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] SORT_1 state_46 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] SORT_1 state_52 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] SORT_1 state_54 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] SORT_1 state_56 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] SORT_1 state_58 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] SORT_1 state_60 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] SORT_1 state_62 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] SORT_1 state_68 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] SORT_1 state_70 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] SORT_1 state_72 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] SORT_1 state_74 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] SORT_1 state_76 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] SORT_1 state_78 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] SORT_1 state_80 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] SORT_1 state_82 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] SORT_1 state_84 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] SORT_1 state_86 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_6_arg_1 = var_4; [L126] state_5 = init_6_arg_1 [L127] SORT_2 init_8_arg_1 = var_4; [L128] state_7 = init_8_arg_1 [L129] SORT_2 init_10_arg_1 = var_4; [L130] state_9 = init_10_arg_1 [L131] SORT_2 init_12_arg_1 = var_4; [L132] state_11 = init_12_arg_1 [L133] SORT_2 init_14_arg_1 = var_4; [L134] state_13 = init_14_arg_1 [L135] SORT_2 init_16_arg_1 = var_4; [L136] state_15 = init_16_arg_1 [L137] SORT_2 init_18_arg_1 = var_4; [L138] state_17 = init_18_arg_1 [L139] SORT_2 init_20_arg_1 = var_4; [L140] state_19 = init_20_arg_1 [L141] SORT_2 init_22_arg_1 = var_4; [L142] state_21 = init_22_arg_1 [L143] SORT_2 init_24_arg_1 = var_4; [L144] state_23 = init_24_arg_1 [L145] SORT_1 init_27_arg_1 = var_25; [L146] state_26 = init_27_arg_1 [L147] SORT_1 init_29_arg_1 = var_25; [L148] state_28 = init_29_arg_1 [L149] SORT_1 init_31_arg_1 = var_25; [L150] state_30 = init_31_arg_1 [L151] SORT_1 init_33_arg_1 = var_25; [L152] state_32 = init_33_arg_1 [L153] SORT_1 init_35_arg_1 = var_25; [L154] state_34 = init_35_arg_1 [L155] SORT_1 init_37_arg_1 = var_25; [L156] state_36 = init_37_arg_1 [L157] SORT_1 init_39_arg_1 = var_25; [L158] state_38 = init_39_arg_1 [L159] SORT_1 init_41_arg_1 = var_25; [L160] state_40 = init_41_arg_1 [L161] SORT_1 init_43_arg_1 = var_25; [L162] state_42 = init_43_arg_1 [L163] SORT_1 init_45_arg_1 = var_25; [L164] state_44 = init_45_arg_1 [L165] SORT_1 init_47_arg_1 = var_25; [L166] state_46 = init_47_arg_1 [L167] SORT_1 init_49_arg_1 = var_25; [L168] state_48 = init_49_arg_1 [L169] SORT_1 init_51_arg_1 = var_25; [L170] state_50 = init_51_arg_1 [L171] SORT_1 init_53_arg_1 = var_25; [L172] state_52 = init_53_arg_1 [L173] SORT_1 init_55_arg_1 = var_25; [L174] state_54 = init_55_arg_1 [L175] SORT_1 init_57_arg_1 = var_25; [L176] state_56 = init_57_arg_1 [L177] SORT_1 init_59_arg_1 = var_25; [L178] state_58 = init_59_arg_1 [L179] SORT_1 init_61_arg_1 = var_25; [L180] state_60 = init_61_arg_1 [L181] SORT_1 init_63_arg_1 = var_25; [L182] state_62 = init_63_arg_1 [L183] SORT_1 init_65_arg_1 = var_25; [L184] state_64 = init_65_arg_1 [L185] SORT_1 init_67_arg_1 = var_25; [L186] state_66 = init_67_arg_1 [L187] SORT_1 init_69_arg_1 = var_25; [L188] state_68 = init_69_arg_1 [L189] SORT_1 init_71_arg_1 = var_25; [L190] state_70 = init_71_arg_1 [L191] SORT_1 init_73_arg_1 = var_25; [L192] state_72 = init_73_arg_1 [L193] SORT_1 init_75_arg_1 = var_25; [L194] state_74 = init_75_arg_1 [L195] SORT_1 init_77_arg_1 = var_25; [L196] state_76 = init_77_arg_1 [L197] SORT_1 init_79_arg_1 = var_25; [L198] state_78 = init_79_arg_1 [L199] SORT_1 init_81_arg_1 = var_25; [L200] state_80 = init_81_arg_1 [L201] SORT_1 init_83_arg_1 = var_25; [L202] state_82 = init_83_arg_1 [L203] SORT_1 init_85_arg_1 = var_25; [L204] state_84 = init_85_arg_1 [L205] SORT_1 init_87_arg_1 = var_25; [L206] state_86 = init_87_arg_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L209] input_99 = __VERIFIER_nondet_uchar() [L210] input_104 = __VERIFIER_nondet_uchar() [L211] input_108 = __VERIFIER_nondet_uchar() [L212] input_111 = __VERIFIER_nondet_uchar() [L213] input_111 = input_111 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L214] input_123 = __VERIFIER_nondet_uchar() [L215] input_123 = input_123 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L216] input_135 = __VERIFIER_nondet_uchar() [L217] input_135 = input_135 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L218] input_147 = __VERIFIER_nondet_uchar() [L219] input_150 = __VERIFIER_nondet_uchar() [L220] input_153 = __VERIFIER_nondet_uchar() [L221] input_156 = __VERIFIER_nondet_uchar() [L222] input_156 = input_156 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L223] input_166 = __VERIFIER_nondet_uchar() [L224] input_166 = input_166 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L225] input_176 = __VERIFIER_nondet_uchar() [L226] input_176 = input_176 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L227] input_186 = __VERIFIER_nondet_uchar() [L228] input_186 = input_186 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L229] input_187 = __VERIFIER_nondet_uchar() [L230] input_187 = input_187 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L231] input_188 = __VERIFIER_nondet_uchar() [L232] input_188 = input_188 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L233] input_189 = __VERIFIER_nondet_uchar() [L234] input_189 = input_189 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L235] input_190 = __VERIFIER_nondet_uchar() [L236] input_190 = input_190 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L237] input_191 = __VERIFIER_nondet_uchar() [L238] input_191 = input_191 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_98=255] [L239] input_215 = __VERIFIER_nondet_uchar() [L240] input_217 = __VERIFIER_nondet_uchar() [L241] input_227 = __VERIFIER_nondet_uchar() [L242] input_232 = __VERIFIER_nondet_uchar() [L243] input_234 = __VERIFIER_nondet_uchar() [L244] input_239 = __VERIFIER_nondet_uchar() [L245] input_243 = __VERIFIER_nondet_uchar() [L246] input_258 = __VERIFIER_nondet_uchar() [L247] input_260 = __VERIFIER_nondet_uchar() [L248] input_270 = __VERIFIER_nondet_uchar() [L249] input_275 = __VERIFIER_nondet_uchar() [L250] input_277 = __VERIFIER_nondet_uchar() [L251] input_282 = __VERIFIER_nondet_uchar() [L252] input_286 = __VERIFIER_nondet_uchar() [L253] input_301 = __VERIFIER_nondet_uchar() [L254] input_303 = __VERIFIER_nondet_uchar() [L255] input_313 = __VERIFIER_nondet_uchar() [L256] input_318 = __VERIFIER_nondet_uchar() [L257] input_320 = __VERIFIER_nondet_uchar() [L258] input_325 = __VERIFIER_nondet_uchar() [L259] input_329 = __VERIFIER_nondet_uchar() [L262] SORT_1 var_90_arg_0 = state_38; [L263] SORT_3 var_90_arg_1 = var_88; [L264] SORT_3 var_90_arg_2 = var_89; [L265] SORT_3 var_90 = var_90_arg_0 ? var_90_arg_1 : var_90_arg_2; [L266] SORT_1 var_91_arg_0 = state_58; [L267] SORT_3 var_91_arg_1 = var_88; [L268] SORT_3 var_91_arg_2 = var_89; [L269] SORT_3 var_91 = var_91_arg_0 ? var_91_arg_1 : var_91_arg_2; [L270] SORT_3 var_92_arg_0 = var_90; [L271] SORT_3 var_92_arg_1 = var_91; [L272] SORT_3 var_92 = var_92_arg_0 + var_92_arg_1; [L273] SORT_1 var_93_arg_0 = state_78; [L274] SORT_3 var_93_arg_1 = var_88; [L275] SORT_3 var_93_arg_2 = var_89; [L276] SORT_3 var_93 = var_93_arg_0 ? var_93_arg_1 : var_93_arg_2; [L277] SORT_3 var_94_arg_0 = var_92; [L278] SORT_3 var_94_arg_1 = var_93; [L279] SORT_3 var_94 = var_94_arg_0 + var_94_arg_1; VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_98=255] [L280] var_94 = var_94 & mask_SORT_3 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_98=255] [L281] SORT_3 var_95_arg_0 = var_94; [L282] SORT_3 var_95_arg_1 = var_88; [L283] SORT_1 var_95 = var_95_arg_0 <= var_95_arg_1; [L284] SORT_1 var_96_arg_0 = ~state_86; VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_98=255] [L285] var_96_arg_0 = var_96_arg_0 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_96_arg_0=1, var_98=255] [L286] SORT_1 var_96_arg_1 = ~var_95; VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_96_arg_0=1, var_98=255] [L287] var_96_arg_1 = var_96_arg_1 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_96_arg_0=1, var_96_arg_1=1, var_98=255] [L288] SORT_1 var_96 = var_96_arg_0 & var_96_arg_1; VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_96=1, var_96_arg_0=1, var_96_arg_1=1, var_98=255] [L289] var_96 = var_96 & mask_SORT_1 VAL [init_10_arg_1=0, init_12_arg_1=0, init_14_arg_1=0, init_16_arg_1=0, init_18_arg_1=0, init_20_arg_1=0, init_22_arg_1=0, init_24_arg_1=0, init_27_arg_1=0, init_29_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_41_arg_1=0, init_43_arg_1=0, init_45_arg_1=0, init_47_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_53_arg_1=0, init_55_arg_1=0, init_57_arg_1=0, init_59_arg_1=0, init_61_arg_1=0, init_63_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, init_69_arg_1=0, init_6_arg_1=0, init_71_arg_1=0, init_73_arg_1=0, init_75_arg_1=0, init_77_arg_1=0, init_79_arg_1=0, init_81_arg_1=0, init_83_arg_1=0, init_85_arg_1=0, init_87_arg_1=0, init_8_arg_1=0, input_104=8, input_108=19, input_111=0, input_123=0, input_135=0, input_147=14, input_150=4, input_153=12, input_156=0, input_166=0, input_176=0, input_186=0, input_187=0, input_188=0, input_189=0, input_190=0, input_191=0, input_215=20, input_217=23, input_227=7, input_232=2, input_234=3, input_239=21, input_243=17, input_258=1, input_260=18, input_270=28, input_275=11, input_277=9, input_282=25, input_286=13, input_301=27, input_303=22, input_313=15, input_318=26, input_320=5, input_325=10, input_329=24, input_99=6, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_3=4294967295, msb_SORT_1=1, msb_SORT_2=128, msb_SORT_3=2147483648, state_11=0, state_13=0, state_15=0, state_17=0, state_19=0, state_21=0, state_23=0, state_26=0, state_28=0, state_30=0, state_32=0, state_34=0, state_36=0, state_38=0, state_40=0, state_42=0, state_44=0, state_46=0, state_48=0, state_5=0, state_50=0, state_52=0, state_54=0, state_56=0, state_58=0, state_60=0, state_62=0, state_64=0, state_66=0, state_68=0, state_7=0, state_70=0, state_72=0, state_74=0, state_76=0, state_78=0, state_80=0, state_82=0, state_84=0, state_86=0, state_9=0, var_100=0, var_103=2, var_107=1, var_25=0, var_4=0, var_88=1, var_89=0, var_90=0, var_90_arg_0=0, var_90_arg_1=1, var_90_arg_2=0, var_91=0, var_91_arg_0=0, var_91_arg_1=1, var_91_arg_2=0, var_92=0, var_92_arg_0=0, var_92_arg_1=0, var_93=0, var_93_arg_0=0, var_93_arg_1=1, var_93_arg_2=0, var_94=0, var_94_arg_0=0, var_94_arg_1=0, var_95=1, var_95_arg_0=0, var_95_arg_1=1, var_96=1, var_96_arg_0=1, var_96_arg_1=1, var_98=255] [L290] SORT_1 bad_97_arg_0 = var_96; [L291] CALL __VERIFIER_assert(!(bad_97_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 494 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7214 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7214 mSDsluCounter, 6979 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4321 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 63 IncrementalHoareTripleChecker+Invalid, 68 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 2658 mSDtfsCounter, 63 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=497occurred in iteration=2, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 2470 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 128 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 11:17:11,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f8d951c4402488c95b1d9f665863df74bf845558698369360669f9c187af26b8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 11:17:13,702 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:17:13,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:17:13,724 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:17:13,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:17:13,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:17:13,726 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:17:13,728 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:17:13,730 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:17:13,731 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:17:13,732 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:17:13,733 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:17:13,733 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:17:13,734 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:17:13,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:17:13,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:17:13,738 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:17:13,739 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:17:13,740 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:17:13,742 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:17:13,744 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:17:13,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:17:13,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:17:13,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:17:13,751 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:17:13,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:17:13,752 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:17:13,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:17:13,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:17:13,754 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:17:13,755 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:17:13,756 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:17:13,756 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:17:13,757 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:17:13,758 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:17:13,758 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:17:13,759 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:17:13,760 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:17:13,760 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:17:13,761 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:17:13,762 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:17:13,763 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:17:13,786 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:17:13,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:17:13,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:17:13,787 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:17:13,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:17:13,788 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:17:13,789 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:17:13,789 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:17:13,789 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:17:13,789 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:17:13,790 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:17:13,790 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:17:13,790 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:17:13,790 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:17:13,791 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:17:13,791 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:17:13,791 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:17:13,791 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:17:13,792 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:17:13,792 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:17:13,792 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:17:13,792 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:17:13,793 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:17:13,793 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:17:13,793 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:17:13,793 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:17:13,794 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:17:13,794 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:17:13,794 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:17:13,794 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:17:13,795 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:17:13,795 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:17:13,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:17:13,795 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_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f8d951c4402488c95b1d9f665863df74bf845558698369360669f9c187af26b8 [2022-11-16 11:17:14,167 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:17:14,203 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:17:14,206 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:17:14,207 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:17:14,211 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:17:14,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:17:14,299 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/5eb0a2229/7bd1d43576254c8087ad281293cae54e/FLAGbbb09341c [2022-11-16 11:17:15,112 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:17:15,113 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:17:15,138 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/5eb0a2229/7bd1d43576254c8087ad281293cae54e/FLAGbbb09341c [2022-11-16 11:17:15,278 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/data/5eb0a2229/7bd1d43576254c8087ad281293cae54e [2022-11-16 11:17:15,284 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:17:15,288 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:17:15,289 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:17:15,289 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:17:15,294 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:17:15,295 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:17:15" (1/1) ... [2022-11-16 11:17:15,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24fe06f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:15, skipping insertion in model container [2022-11-16 11:17:15,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:17:15" (1/1) ... [2022-11-16 11:17:15,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:17:15,385 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:17:15,612 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1014,1027] [2022-11-16 11:17:16,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:17:16,039 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:17:16,052 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.mcs.1.prop1-func-interl.c[1014,1027] [2022-11-16 11:17:16,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:17:16,265 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:17:16,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16 WrapperNode [2022-11-16 11:17:16,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:17:16,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:17:16,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:17:16,268 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:17:16,275 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,322 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,410 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2266 [2022-11-16 11:17:16,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:17:16,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:17:16,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:17:16,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:17:16,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,438 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,444 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,520 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,529 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,546 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:17:16,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:17:16,548 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:17:16,548 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:17:16,549 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (1/1) ... [2022-11-16 11:17:16,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:17:16,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:17:16,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:17:16,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:17:16,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:17:16,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:17:17,254 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:17:17,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:17:20,935 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:17:20,941 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:17:20,941 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:17:20,943 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:20 BoogieIcfgContainer [2022-11-16 11:17:20,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:17:20,946 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:17:20,946 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:17:20,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:17:20,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:17:15" (1/3) ... [2022-11-16 11:17:20,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fb7843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:20, skipping insertion in model container [2022-11-16 11:17:20,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:17:16" (2/3) ... [2022-11-16 11:17:20,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8fb7843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:17:20, skipping insertion in model container [2022-11-16 11:17:20,951 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:17:20" (3/3) ... [2022-11-16 11:17:20,952 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.mcs.1.prop1-func-interl.c [2022-11-16 11:17:20,970 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:17:20,970 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:17:21,024 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:17:21,033 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@1c6a9835, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:17:21,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:17:21,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:21,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:17:21,043 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:21,044 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:17:21,045 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:21,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:21,050 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:17:21,064 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:17:21,065 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [507085686] [2022-11-16 11:17:21,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:21,066 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:17:21,066 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:17:21,071 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:17:21,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 11:17:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:21,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-16 11:17:21,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:17:22,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:22,010 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:17:22,011 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:17:22,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [507085686] [2022-11-16 11:17:22,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [507085686] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:17:22,012 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:17:22,012 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:17:22,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649555683] [2022-11-16 11:17:22,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:17:22,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:17:22,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:17:22,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:17:22,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:17:22,051 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:17:22,367 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:17:22,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:17:22,370 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 11:17:22,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:17:22,379 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:17:22,379 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:17:22,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:17:22,386 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 11:17:22,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 11:17:22,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:17:22,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:17:22,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:17:22,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:17:22,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:17:22,420 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:17:22,421 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:17:22,421 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:17:22,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:17:22,422 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:17:22,422 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:17:22,443 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-16 11:17:22,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:17:22,634 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:17:22,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:17:22,635 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:17:22,638 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:17:22,638 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1630759330] [2022-11-16 11:17:22,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:17:22,639 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:17:22,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:17:22,640 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:17:22,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 11:17:23,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:17:23,802 INFO L263 TraceCheckSpWp]: Trace formula consists of 2005 conjuncts, 202 conjunts are in the unsatisfiable core [2022-11-16 11:17:23,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:17:26,999 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:17:27,000 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:18:05,400 WARN L233 SmtUtils]: Spent 31.11s on a formula simplification that was a NOOP. DAG size: 428 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:18:06,678 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:06,679 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:18:06,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1630759330] [2022-11-16 11:18:06,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1630759330] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:18:06,686 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:18:06,686 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:18:06,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553850351] [2022-11-16 11:18:06,687 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:18:06,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:18:06,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:18:06,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:18:06,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=38, Unknown=1, NotChecked=0, Total=56 [2022-11-16 11:18:06,692 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:07,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:18:07,817 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:18:07,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:18:07,817 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 11:18:07,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:18:07,818 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:18:07,818 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:18:07,819 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 38.8s TimeCoverageRelationStatistics Valid=30, Invalid=59, Unknown=1, NotChecked=0, Total=90 [2022-11-16 11:18:07,821 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 11 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 11:18:07,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 19 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 11 Unchecked, 0.2s Time] [2022-11-16 11:18:07,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:18:07,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:18:07,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:18:07,832 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:18:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:18:07,833 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:18:07,833 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:18:07,833 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:18:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:18:07,834 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:18:07,834 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:18:07,849 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-16 11:18:08,035 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:18:08,035 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:18:08,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:18:08,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:18:08,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:18:08,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2104727870] [2022-11-16 11:18:08,042 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:18:08,043 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:18:08,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:18:08,044 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:18:08,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 11:18:09,608 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:18:09,609 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:18:09,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 3843 conjuncts, 369 conjunts are in the unsatisfiable core [2022-11-16 11:18:09,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:18:20,802 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 1 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:18:20,803 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:20:27,418 WARN L233 SmtUtils]: Spent 1.91m on a formula simplification. DAG size of input: 406 DAG size of output: 403 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:22:09,348 WARN L233 SmtUtils]: Spent 1.25m on a formula simplification that was a NOOP. DAG size: 2220 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 11:22:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:22:13,436 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:22:13,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2104727870] [2022-11-16 11:22:13,437 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2104727870] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:22:13,437 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:22:13,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:22:13,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393342764] [2022-11-16 11:22:13,438 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:22:13,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:22:13,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:22:13,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:22:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=61, Unknown=4, NotChecked=0, Total=90 [2022-11-16 11:22:13,439 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:22:16,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:22:16,142 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 11:22:16,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:22:16,143 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 11:22:16,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:22:16,143 INFO L225 Difference]: With dead ends: 19 [2022-11-16 11:22:16,144 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 11:22:16,144 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 229.3s TimeCoverageRelationStatistics Valid=41, Invalid=87, Unknown=4, NotChecked=0, Total=132 [2022-11-16 11:22:16,146 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 7 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 15 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 11:22:16,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 28 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 15 Unchecked, 0.5s Time] [2022-11-16 11:22:16,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 11:22:16,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 11:22:16,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:22:16,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:22:16,158 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:22:16,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:22:16,159 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:22:16,159 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 11:22:16,159 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:22:16,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:22:16,160 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:22:16,160 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:22:16,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 11:22:16,360 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:22:16,361 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:22:16,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:22:16,362 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:22:16,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:22:16,367 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809896749] [2022-11-16 11:22:16,367 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:22:16,367 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 11:22:16,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:22:16,368 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 11:22:16,370 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f02c6c3e-e7d5-4df7-89e0-d7dfc8a6ba77/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 11:22:18,591 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-16 11:22:18,592 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:22:18,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 5681 conjuncts, 779 conjunts are in the unsatisfiable core [2022-11-16 11:22:18,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:23:10,472 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 10 refuted. 5 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:23:10,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:31:57,099 WARN L233 SmtUtils]: Spent 8.10m on a formula simplification. DAG size of input: 706 DAG size of output: 703 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)