./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R --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 83e6df15f4eb2b31c3a84809f6e84287e8028f32a3392fa2ef77c11f7544f928 --- 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-38b53e6 [2022-11-25 17:31:31,457 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:31:31,460 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:31:31,488 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:31:31,489 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:31:31,490 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:31:31,491 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:31:31,493 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:31:31,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:31:31,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:31:31,498 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:31:31,499 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:31:31,499 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:31:31,501 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:31:31,502 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:31:31,504 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:31:31,505 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:31:31,506 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:31:31,508 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:31:31,511 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:31:31,513 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:31:31,514 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:31:31,516 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:31:31,517 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:31:31,521 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:31:31,522 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:31:31,522 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:31:31,523 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:31:31,524 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:31:31,525 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:31:31,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:31:31,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:31:31,528 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:31:31,529 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:31:31,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:31:31,530 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:31:31,531 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:31:31,532 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:31:31,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:31:31,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:31:31,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:31:31,535 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 17:31:31,559 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:31:31,560 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:31:31,560 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:31:31,560 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:31:31,561 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:31:31,562 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:31:31,562 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:31:31,563 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:31:31,563 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:31:31,563 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:31:31,564 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:31:31,564 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:31:31,564 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:31:31,564 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:31:31,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:31:31,565 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:31:31,565 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:31:31,565 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:31:31,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:31:31,566 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:31:31,566 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:31:31,566 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:31,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:31:31,567 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:31:31,567 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:31:31,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:31:31,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:31:31,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:31:31,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:31:31,569 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:31:31,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:31:31,569 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e6df15f4eb2b31c3a84809f6e84287e8028f32a3392fa2ef77c11f7544f928 [2022-11-25 17:31:31,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:31:32,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:31:32,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:31:32,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:31:32,040 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:31:32,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c [2022-11-25 17:31:35,189 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:31:35,647 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:31:35,650 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c [2022-11-25 17:31:35,678 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/848243d54/39360a3a82c74468a650ae7d9d0cc924/FLAG97706e238 [2022-11-25 17:31:35,700 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/848243d54/39360a3a82c74468a650ae7d9d0cc924 [2022-11-25 17:31:35,708 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:31:35,710 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:31:35,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:35,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:31:35,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:31:35,720 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:35" (1/1) ... [2022-11-25 17:31:35,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c738008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:35, skipping insertion in model container [2022-11-25 17:31:35,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:31:35" (1/1) ... [2022-11-25 17:31:35,730 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:31:35,841 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:31:36,141 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c[1107,1120] [2022-11-25 17:31:36,746 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:36,752 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:31:36,765 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c[1107,1120] [2022-11-25 17:31:37,044 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:31:37,058 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:31:37,059 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37 WrapperNode [2022-11-25 17:31:37,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:31:37,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:37,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:31:37,062 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:31:37,070 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,149 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,302 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3463 [2022-11-25 17:31:37,302 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:31:37,303 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:31:37,303 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:31:37,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:31:37,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,341 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,574 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,606 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:31:37,607 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:31:37,607 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:31:37,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:31:37,609 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (1/1) ... [2022-11-25 17:31:37,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:31:37,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:31:37,643 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:31:37,672 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:31:37,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:31:37,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:31:38,507 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:31:38,510 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:35:40,292 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:35:40,308 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:35:40,308 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:35:40,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:40 BoogieIcfgContainer [2022-11-25 17:35:40,310 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:35:40,314 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:35:40,314 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:35:40,317 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:35:40,318 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:31:35" (1/3) ... [2022-11-25 17:35:40,320 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2123974d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:40, skipping insertion in model container [2022-11-25 17:35:40,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:31:37" (2/3) ... [2022-11-25 17:35:40,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2123974d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:40, skipping insertion in model container [2022-11-25 17:35:40,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:40" (3/3) ... [2022-11-25 17:35:40,329 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal186.c [2022-11-25 17:35:40,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:35:40,351 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:35:40,423 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:35:40,429 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;@68937bbc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:35:40,429 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:35:40,433 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) [2022-11-25 17:35:40,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:35:40,441 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:40,441 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:35:40,442 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:35:40,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:40,448 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:35:40,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:35:40,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923749490] [2022-11-25 17:35:40,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:40,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:35:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:35:40,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 17:35:41,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 17:35:41,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 17:35:41,265 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 17:35:41,266 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 17:35:41,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:35:41,273 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 17:35:41,277 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:35:41,320 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 17:35:41,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:35:41 BoogieIcfgContainer [2022-11-25 17:35:41,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:35:41,338 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:35:41,338 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:35:41,338 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:35:41,339 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:40" (3/4) ... [2022-11-25 17:35:41,342 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 17:35:41,342 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:35:41,344 INFO L158 Benchmark]: Toolchain (without parser) took 245633.07ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 138.4MB in the beginning and 809.2MB in the end (delta: -670.8MB). Peak memory consumption was 364.8MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,344 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 14.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:35:41,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1345.17ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 98.2MB in the end (delta: 40.2MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 241.40ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 68.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,346 INFO L158 Benchmark]: Boogie Preprocessor took 302.97ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 97.8MB in the end (delta: -29.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,347 INFO L158 Benchmark]: RCFGBuilder took 242703.76ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 97.8MB in the beginning and 889.9MB in the end (delta: -792.1MB). Peak memory consumption was 738.8MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,347 INFO L158 Benchmark]: TraceAbstraction took 1023.67ms. Allocated memory is still 1.2GB. Free memory was 888.9MB in the beginning and 810.2MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,348 INFO L158 Benchmark]: Witness Printer took 4.63ms. Allocated memory is still 1.2GB. Free memory was 810.2MB in the beginning and 809.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:35:41,351 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 130.0MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 14.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1345.17ms. Allocated memory is still 169.9MB. Free memory was 138.4MB in the beginning and 98.2MB in the end (delta: 40.2MB). Peak memory consumption was 76.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 241.40ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 68.9MB in the end (delta: 29.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 302.97ms. Allocated memory is still 169.9MB. Free memory was 68.9MB in the beginning and 97.8MB in the end (delta: -29.0MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * RCFGBuilder took 242703.76ms. Allocated memory was 169.9MB in the beginning and 1.2GB in the end (delta: 1.0GB). Free memory was 97.8MB in the beginning and 889.9MB in the end (delta: -792.1MB). Peak memory consumption was 738.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1023.67ms. Allocated memory is still 1.2GB. Free memory was 888.9MB in the beginning and 810.2MB in the end (delta: 78.6MB). Peak memory consumption was 77.6MB. Max. memory is 16.1GB. * Witness Printer took 4.63ms. Allocated memory is still 1.2GB. Free memory was 810.2MB in the beginning and 809.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 388, overapproximation of bitwiseOr at line 402, overapproximation of bitwiseAnd at line 293. 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_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L29] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L31] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L32] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L34] const SORT_20 mask_SORT_20 = (SORT_20)-1 >> (sizeof(SORT_20) * 8 - 3); [L35] const SORT_20 msb_SORT_20 = (SORT_20)1 << (3 - 1); [L37] const SORT_165 mask_SORT_165 = (SORT_165)-1 >> (sizeof(SORT_165) * 8 - 31); [L38] const SORT_165 msb_SORT_165 = (SORT_165)1 << (31 - 1); [L40] const SORT_1 var_90 = 0; [L41] const SORT_7 var_94 = 0; [L42] const SORT_1 var_115 = 1; [L43] const SORT_7 var_122 = 1618477080; [L44] const SORT_9 var_139 = 0; [L45] const SORT_9 var_148 = 2; [L46] const SORT_9 var_152 = 3; [L47] const SORT_9 var_163 = 1; [L48] const SORT_165 var_166 = 1618477056; [L49] const SORT_165 var_169 = 1618478076; [L50] const SORT_20 var_214 = 0; [L51] const SORT_20 var_218 = 2; [L52] const SORT_20 var_220 = 4; [L53] const SORT_20 var_233 = 3; [L54] const SORT_20 var_318 = 5; [L55] const SORT_20 var_320 = 7; [L56] const SORT_20 var_333 = 6; [L57] const SORT_20 var_367 = 1; [L59] SORT_1 input_2; [L60] SORT_1 input_3; [L61] SORT_1 input_4; [L62] SORT_1 input_5; [L63] SORT_1 input_6; [L64] SORT_7 input_8; [L65] SORT_9 input_10; [L66] SORT_1 input_11; [L67] SORT_7 input_12; [L68] SORT_7 input_13; [L69] SORT_1 input_14; [L70] SORT_7 input_15; [L71] SORT_1 input_16; [L72] SORT_1 input_17; [L73] SORT_1 input_18; [L74] SORT_7 input_19; [L75] SORT_20 input_21; [L76] SORT_7 input_22; [L77] SORT_1 input_23; [L78] SORT_1 input_24; [L79] SORT_7 input_25; [L80] SORT_1 input_26; [L81] SORT_1 input_27; [L82] SORT_1 input_28; [L83] SORT_1 input_29; [L84] SORT_1 input_30; [L85] SORT_1 input_31; [L86] SORT_9 input_32; [L87] SORT_9 input_33; [L88] SORT_7 input_34; [L89] SORT_7 input_35; [L90] SORT_1 input_36; [L91] SORT_9 input_37; [L92] SORT_9 input_38; [L93] SORT_7 input_39; [L94] SORT_7 input_40; [L95] SORT_1 input_41; [L96] SORT_1 input_42; [L97] SORT_1 input_43; [L98] SORT_7 input_44; [L99] SORT_7 input_45; [L100] SORT_1 input_46; [L101] SORT_1 input_47; [L102] SORT_1 input_48; [L103] SORT_1 input_49; [L104] SORT_9 input_50; [L105] SORT_9 input_51; [L106] SORT_1 input_52; [L107] SORT_1 input_53; [L108] SORT_1 input_54; [L109] SORT_1 input_55; [L110] SORT_1 input_56; [L111] SORT_1 input_57; [L112] SORT_1 input_58; [L113] SORT_1 input_59; [L114] SORT_1 input_60; [L115] SORT_1 input_61; [L116] SORT_9 input_62; [L117] SORT_9 input_63; [L118] SORT_1 input_64; [L119] SORT_1 input_65; [L120] SORT_1 input_66; [L121] SORT_1 input_67; [L122] SORT_9 input_68; [L123] SORT_9 input_69; [L124] SORT_7 input_70; [L125] SORT_7 input_71; [L126] SORT_7 input_72; [L127] SORT_7 input_73; [L128] SORT_9 input_74; [L129] SORT_9 input_75; [L130] SORT_7 input_76; [L131] SORT_7 input_77; [L132] SORT_7 input_78; [L133] SORT_7 input_79; [L134] SORT_20 input_80; [L135] SORT_20 input_81; [L136] SORT_1 input_82; [L137] SORT_1 input_83; [L138] SORT_7 input_84; [L139] SORT_7 input_85; [L140] SORT_7 input_86; [L141] SORT_7 input_87; [L142] SORT_1 input_88; [L143] SORT_1 input_89; [L145] SORT_1 state_91 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L146] SORT_7 state_95 = __VERIFIER_nondet_uint() & mask_SORT_7; [L147] SORT_1 state_97 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L148] SORT_7 state_104 = __VERIFIER_nondet_uint() & mask_SORT_7; [L149] SORT_7 state_119 = __VERIFIER_nondet_uint() & mask_SORT_7; [L150] SORT_1 state_124 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L151] SORT_1 state_129 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L152] SORT_7 state_134 = __VERIFIER_nondet_uint() & mask_SORT_7; [L153] SORT_9 state_140 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L154] SORT_1 state_143 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L155] SORT_9 state_149 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L156] SORT_1 state_157 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L157] SORT_1 state_201 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L158] SORT_1 state_204 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L159] SORT_20 state_215 = __VERIFIER_nondet_uchar() & mask_SORT_20; [L160] SORT_9 state_246 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L161] SORT_9 state_251 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L162] SORT_1 state_255 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L163] SORT_1 state_262 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L164] SORT_1 state_305 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L165] SORT_1 state_308 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] SORT_7 state_345 = __VERIFIER_nondet_uint() & mask_SORT_7; [L167] SORT_1 state_348 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L168] SORT_7 state_356 = __VERIFIER_nondet_uint() & mask_SORT_7; [L169] SORT_7 state_445 = __VERIFIER_nondet_uint() & mask_SORT_7; [L170] SORT_7 state_452 = __VERIFIER_nondet_uint() & mask_SORT_7; [L171] SORT_7 state_604 = __VERIFIER_nondet_uint() & mask_SORT_7; [L172] SORT_1 state_608 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L173] SORT_1 state_613 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L174] SORT_7 state_618 = __VERIFIER_nondet_uint() & mask_SORT_7; [L175] SORT_9 state_623 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L176] SORT_1 state_626 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L177] SORT_9 state_631 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L178] SORT_1 state_638 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L179] SORT_1 state_669 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L180] SORT_1 state_672 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L181] SORT_20 state_682 = __VERIFIER_nondet_uchar() & mask_SORT_20; [L182] SORT_9 state_710 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L183] SORT_9 state_715 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L184] SORT_1 state_719 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L185] SORT_1 state_726 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L186] SORT_1 state_761 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L187] SORT_1 state_764 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L188] SORT_7 state_798 = __VERIFIER_nondet_uint() & mask_SORT_7; [L189] SORT_1 state_801 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L190] SORT_7 state_809 = __VERIFIER_nondet_uint() & mask_SORT_7; [L191] SORT_7 state_897 = __VERIFIER_nondet_uint() & mask_SORT_7; [L192] SORT_7 state_904 = __VERIFIER_nondet_uint() & mask_SORT_7; [L194] SORT_1 init_92_arg_1 = var_90; [L195] state_91 = init_92_arg_1 [L196] SORT_7 init_96_arg_1 = var_94; [L197] state_95 = init_96_arg_1 [L198] SORT_1 init_98_arg_1 = var_90; [L199] state_97 = init_98_arg_1 [L200] SORT_7 init_105_arg_1 = var_94; [L201] state_104 = init_105_arg_1 [L202] SORT_7 init_120_arg_1 = var_94; [L203] state_119 = init_120_arg_1 [L204] SORT_1 init_125_arg_1 = var_90; [L205] state_124 = init_125_arg_1 [L206] SORT_1 init_130_arg_1 = var_90; [L207] state_129 = init_130_arg_1 [L208] SORT_7 init_135_arg_1 = var_94; [L209] state_134 = init_135_arg_1 [L210] SORT_9 init_141_arg_1 = var_139; [L211] state_140 = init_141_arg_1 [L212] SORT_1 init_144_arg_1 = var_90; [L213] state_143 = init_144_arg_1 [L214] SORT_9 init_150_arg_1 = var_139; [L215] state_149 = init_150_arg_1 [L216] SORT_1 init_158_arg_1 = var_90; [L217] state_157 = init_158_arg_1 [L218] SORT_1 init_202_arg_1 = var_90; [L219] state_201 = init_202_arg_1 [L220] SORT_1 init_205_arg_1 = var_90; [L221] state_204 = init_205_arg_1 [L222] SORT_20 init_216_arg_1 = var_214; [L223] state_215 = init_216_arg_1 [L224] SORT_9 init_247_arg_1 = var_139; [L225] state_246 = init_247_arg_1 [L226] SORT_9 init_252_arg_1 = var_139; [L227] state_251 = init_252_arg_1 [L228] SORT_1 init_256_arg_1 = var_90; [L229] state_255 = init_256_arg_1 [L230] SORT_1 init_263_arg_1 = var_90; [L231] state_262 = init_263_arg_1 [L232] SORT_1 init_306_arg_1 = var_90; [L233] state_305 = init_306_arg_1 [L234] SORT_1 init_309_arg_1 = var_90; [L235] state_308 = init_309_arg_1 [L236] SORT_7 init_346_arg_1 = var_94; [L237] state_345 = init_346_arg_1 [L238] SORT_1 init_349_arg_1 = var_90; [L239] state_348 = init_349_arg_1 [L240] SORT_7 init_357_arg_1 = var_94; [L241] state_356 = init_357_arg_1 [L242] SORT_7 init_446_arg_1 = var_94; [L243] state_445 = init_446_arg_1 [L244] SORT_7 init_453_arg_1 = var_94; [L245] state_452 = init_453_arg_1 [L246] SORT_7 init_605_arg_1 = var_94; [L247] state_604 = init_605_arg_1 [L248] SORT_1 init_609_arg_1 = var_90; [L249] state_608 = init_609_arg_1 [L250] SORT_1 init_614_arg_1 = var_90; [L251] state_613 = init_614_arg_1 [L252] SORT_7 init_619_arg_1 = var_94; [L253] state_618 = init_619_arg_1 [L254] SORT_9 init_624_arg_1 = var_139; [L255] state_623 = init_624_arg_1 [L256] SORT_1 init_627_arg_1 = var_90; [L257] state_626 = init_627_arg_1 [L258] SORT_9 init_632_arg_1 = var_139; [L259] state_631 = init_632_arg_1 [L260] SORT_1 init_639_arg_1 = var_90; [L261] state_638 = init_639_arg_1 [L262] SORT_1 init_670_arg_1 = var_90; [L263] state_669 = init_670_arg_1 [L264] SORT_1 init_673_arg_1 = var_90; [L265] state_672 = init_673_arg_1 [L266] SORT_20 init_683_arg_1 = var_214; [L267] state_682 = init_683_arg_1 [L268] SORT_9 init_711_arg_1 = var_139; [L269] state_710 = init_711_arg_1 [L270] SORT_9 init_716_arg_1 = var_139; [L271] state_715 = init_716_arg_1 [L272] SORT_1 init_720_arg_1 = var_90; [L273] state_719 = init_720_arg_1 [L274] SORT_1 init_727_arg_1 = var_90; [L275] state_726 = init_727_arg_1 [L276] SORT_1 init_762_arg_1 = var_90; [L277] state_761 = init_762_arg_1 [L278] SORT_1 init_765_arg_1 = var_90; [L279] state_764 = init_765_arg_1 [L280] SORT_7 init_799_arg_1 = var_94; [L281] state_798 = init_799_arg_1 [L282] SORT_1 init_802_arg_1 = var_90; [L283] state_801 = init_802_arg_1 [L284] SORT_7 init_810_arg_1 = var_94; [L285] state_809 = init_810_arg_1 [L286] SORT_7 init_898_arg_1 = var_94; [L287] state_897 = init_898_arg_1 [L288] SORT_7 init_905_arg_1 = var_94; [L289] state_904 = init_905_arg_1 VAL [init_105_arg_1=0, init_120_arg_1=0, init_125_arg_1=0, init_130_arg_1=0, init_135_arg_1=0, init_141_arg_1=0, init_144_arg_1=0, init_150_arg_1=0, init_158_arg_1=0, init_202_arg_1=0, init_205_arg_1=0, init_216_arg_1=0, init_247_arg_1=0, init_252_arg_1=0, init_256_arg_1=0, init_263_arg_1=0, init_306_arg_1=0, init_309_arg_1=0, init_346_arg_1=0, init_349_arg_1=0, init_357_arg_1=0, init_446_arg_1=0, init_453_arg_1=0, init_605_arg_1=0, init_609_arg_1=0, init_614_arg_1=0, init_619_arg_1=0, init_624_arg_1=0, init_627_arg_1=0, init_632_arg_1=0, init_639_arg_1=0, init_670_arg_1=0, init_673_arg_1=0, init_683_arg_1=0, init_711_arg_1=0, init_716_arg_1=0, init_720_arg_1=0, init_727_arg_1=0, init_762_arg_1=0, init_765_arg_1=0, init_799_arg_1=0, init_802_arg_1=0, init_810_arg_1=0, init_898_arg_1=0, init_905_arg_1=0, init_92_arg_1=0, init_96_arg_1=0, init_98_arg_1=0, mask_SORT_1=1, mask_SORT_165=4294967295, mask_SORT_20=7, mask_SORT_7=4294967295, mask_SORT_9=3, msb_SORT_1=1, msb_SORT_165=1073741824, msb_SORT_20=4, msb_SORT_7=2147483648, msb_SORT_9=2, state_104=0, state_119=0, state_124=0, state_129=0, state_134=0, state_140=0, state_143=0, state_149=0, state_157=0, state_201=0, state_204=0, state_215=0, state_246=0, state_251=0, state_255=0, state_262=0, state_305=0, state_308=0, state_345=0, state_348=0, state_356=0, state_445=0, state_452=0, state_604=0, state_608=0, state_613=0, state_618=0, state_623=0, state_626=0, state_631=0, state_638=0, state_669=0, state_672=0, state_682=0, state_710=0, state_715=0, state_719=0, state_726=0, state_761=0, state_764=0, state_798=0, state_801=0, state_809=0, state_897=0, state_904=0, state_91=0, state_95=0, state_97=0, var_115=1, var_122=1618477080, var_139=0, var_148=2, var_152=3, var_163=1, var_166=1618477056, var_169=1618478076, var_214=0, var_218=2, var_220=4, var_233=3, var_318=5, var_320=7, var_333=6, var_367=1, var_90=0, var_94=0] [L292] input_2 = __VERIFIER_nondet_uchar() [L293] input_2 = input_2 & mask_SORT_1 [L294] input_3 = __VERIFIER_nondet_uchar() [L295] input_3 = input_3 & mask_SORT_1 [L296] input_4 = __VERIFIER_nondet_uchar() [L297] input_4 = input_4 & mask_SORT_1 [L298] input_5 = __VERIFIER_nondet_uchar() [L299] input_6 = __VERIFIER_nondet_uchar() [L300] input_8 = __VERIFIER_nondet_uint() [L301] input_8 = input_8 & mask_SORT_7 [L302] input_10 = __VERIFIER_nondet_uchar() [L303] input_11 = __VERIFIER_nondet_uchar() [L304] input_12 = __VERIFIER_nondet_uint() [L305] input_12 = input_12 & mask_SORT_7 [L306] input_13 = __VERIFIER_nondet_uint() [L307] input_14 = __VERIFIER_nondet_uchar() [L308] input_14 = input_14 & mask_SORT_1 [L309] input_15 = __VERIFIER_nondet_uint() [L310] input_16 = __VERIFIER_nondet_uchar() [L311] input_16 = input_16 & mask_SORT_1 [L312] input_17 = __VERIFIER_nondet_uchar() [L313] input_18 = __VERIFIER_nondet_uchar() [L314] input_18 = input_18 & mask_SORT_1 [L315] input_19 = __VERIFIER_nondet_uint() [L316] input_21 = __VERIFIER_nondet_uchar() [L317] input_22 = __VERIFIER_nondet_uint() [L318] input_23 = __VERIFIER_nondet_uchar() [L319] input_24 = __VERIFIER_nondet_uchar() [L320] input_25 = __VERIFIER_nondet_uint() [L321] input_26 = __VERIFIER_nondet_uchar() [L322] input_27 = __VERIFIER_nondet_uchar() [L323] input_28 = __VERIFIER_nondet_uchar() [L324] input_29 = __VERIFIER_nondet_uchar() [L325] input_30 = __VERIFIER_nondet_uchar() [L326] input_31 = __VERIFIER_nondet_uchar() [L327] input_32 = __VERIFIER_nondet_uchar() [L328] input_33 = __VERIFIER_nondet_uchar() [L329] input_34 = __VERIFIER_nondet_uint() [L330] input_35 = __VERIFIER_nondet_uint() [L331] input_36 = __VERIFIER_nondet_uchar() [L332] input_37 = __VERIFIER_nondet_uchar() [L333] input_38 = __VERIFIER_nondet_uchar() [L334] input_39 = __VERIFIER_nondet_uint() [L335] input_40 = __VERIFIER_nondet_uint() [L336] input_41 = __VERIFIER_nondet_uchar() [L337] input_42 = __VERIFIER_nondet_uchar() [L338] input_43 = __VERIFIER_nondet_uchar() [L339] input_44 = __VERIFIER_nondet_uint() [L340] input_45 = __VERIFIER_nondet_uint() [L341] input_46 = __VERIFIER_nondet_uchar() [L342] input_47 = __VERIFIER_nondet_uchar() [L343] input_48 = __VERIFIER_nondet_uchar() [L344] input_49 = __VERIFIER_nondet_uchar() [L345] input_50 = __VERIFIER_nondet_uchar() [L346] input_51 = __VERIFIER_nondet_uchar() [L347] input_52 = __VERIFIER_nondet_uchar() [L348] input_53 = __VERIFIER_nondet_uchar() [L349] input_54 = __VERIFIER_nondet_uchar() [L350] input_55 = __VERIFIER_nondet_uchar() [L351] input_56 = __VERIFIER_nondet_uchar() [L352] input_57 = __VERIFIER_nondet_uchar() [L353] input_58 = __VERIFIER_nondet_uchar() [L354] input_59 = __VERIFIER_nondet_uchar() [L355] input_60 = __VERIFIER_nondet_uchar() [L356] input_61 = __VERIFIER_nondet_uchar() [L357] input_62 = __VERIFIER_nondet_uchar() [L358] input_63 = __VERIFIER_nondet_uchar() [L359] input_64 = __VERIFIER_nondet_uchar() [L360] input_65 = __VERIFIER_nondet_uchar() [L361] input_66 = __VERIFIER_nondet_uchar() [L362] input_67 = __VERIFIER_nondet_uchar() [L363] input_68 = __VERIFIER_nondet_uchar() [L364] input_69 = __VERIFIER_nondet_uchar() [L365] input_70 = __VERIFIER_nondet_uint() [L366] input_71 = __VERIFIER_nondet_uint() [L367] input_72 = __VERIFIER_nondet_uint() [L368] input_73 = __VERIFIER_nondet_uint() [L369] input_74 = __VERIFIER_nondet_uchar() [L370] input_75 = __VERIFIER_nondet_uchar() [L371] input_76 = __VERIFIER_nondet_uint() [L372] input_77 = __VERIFIER_nondet_uint() [L373] input_78 = __VERIFIER_nondet_uint() [L374] input_79 = __VERIFIER_nondet_uint() [L375] input_80 = __VERIFIER_nondet_uchar() [L376] input_81 = __VERIFIER_nondet_uchar() [L377] input_82 = __VERIFIER_nondet_uchar() [L378] input_83 = __VERIFIER_nondet_uchar() [L379] input_84 = __VERIFIER_nondet_uint() [L380] input_85 = __VERIFIER_nondet_uint() [L381] input_86 = __VERIFIER_nondet_uint() [L382] input_87 = __VERIFIER_nondet_uint() [L383] input_88 = __VERIFIER_nondet_uchar() [L384] input_89 = __VERIFIER_nondet_uchar() [L387] SORT_1 var_93_arg_0 = state_91; [L388] SORT_1 var_93 = ~var_93_arg_0; [L389] SORT_1 var_99_arg_0 = state_97; [L390] SORT_7 var_99_arg_1 = state_95; [L391] SORT_7 var_99_arg_2 = input_19; [L392] SORT_7 var_99 = var_99_arg_0 ? var_99_arg_1 : var_99_arg_2; [L393] SORT_7 var_100_arg_0 = var_99; [L394] SORT_1 var_100 = var_100_arg_0 >> 20; [L395] SORT_7 var_101_arg_0 = var_99; [L396] SORT_1 var_101 = var_101_arg_0 >> 22; [L397] SORT_1 var_102_arg_0 = var_100; [L398] SORT_1 var_102_arg_1 = var_101; [L399] SORT_1 var_102 = var_102_arg_0 & var_102_arg_1; [L400] SORT_1 var_103_arg_0 = var_102; [L401] SORT_1 var_103_arg_1 = input_17; [L402] SORT_1 var_103 = var_103_arg_0 | var_103_arg_1; [L403] var_103 = var_103 & mask_SORT_1 [L404] SORT_1 var_106_arg_0 = state_97; [L405] SORT_7 var_106_arg_1 = state_104; [L406] SORT_7 var_106_arg_2 = input_19; [L407] SORT_7 var_106 = var_106_arg_0 ? var_106_arg_1 : var_106_arg_2; [L408] SORT_7 var_107_arg_0 = var_106; [L409] SORT_1 var_107 = var_107_arg_0 >> 20; [L410] SORT_7 var_108_arg_0 = var_106; [L411] SORT_1 var_108 = var_108_arg_0 >> 22; [L412] SORT_1 var_109_arg_0 = var_107; [L413] SORT_1 var_109_arg_1 = var_108; [L414] SORT_1 var_109 = var_109_arg_0 & var_109_arg_1; [L415] SORT_1 var_110_arg_0 = var_109; [L416] SORT_1 var_110_arg_1 = input_17; [L417] SORT_1 var_110 = var_110_arg_0 | var_110_arg_1; [L418] var_110 = var_110 & mask_SORT_1 [L419] SORT_1 var_111_arg_0 = var_103; [L420] SORT_1 var_111_arg_1 = var_110; [L421] SORT_1 var_111 = var_111_arg_0 == var_111_arg_1; [L422] SORT_1 var_112_arg_0 = var_93; [L423] SORT_1 var_112_arg_1 = var_111; [L424] SORT_1 var_112 = var_112_arg_0 | var_112_arg_1; [L425] SORT_1 var_116_arg_0 = var_112; [L426] SORT_1 var_116 = ~var_116_arg_0; [L427] SORT_1 var_117_arg_0 = var_115; [L428] SORT_1 var_117_arg_1 = var_116; [L429] SORT_1 var_117 = var_117_arg_0 & var_117_arg_1; [L430] var_117 = var_117 & mask_SORT_1 [L431] SORT_1 bad_118_arg_0 = var_117; [L432] CALL __VERIFIER_assert(!(bad_118_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-11-25 17:35:41,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R --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 83e6df15f4eb2b31c3a84809f6e84287e8028f32a3392fa2ef77c11f7544f928 --- 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-38b53e6 [2022-11-25 17:35:43,948 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:35:43,951 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:35:43,990 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:35:43,990 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:35:43,994 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:35:43,997 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:35:44,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:35:44,001 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:35:44,002 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:35:44,003 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:35:44,005 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:35:44,005 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:35:44,006 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:35:44,008 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:35:44,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:35:44,013 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:35:44,017 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:35:44,019 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:35:44,021 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:35:44,022 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:35:44,024 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:35:44,025 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:35:44,026 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:35:44,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:35:44,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:35:44,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:35:44,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:35:44,032 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:35:44,033 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:35:44,033 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:35:44,034 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:35:44,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:35:44,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:35:44,058 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:35:44,058 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:35:44,059 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:35:44,059 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:35:44,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:35:44,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:35:44,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:35:44,066 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 17:35:44,098 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:35:44,099 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:35:44,099 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:35:44,099 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:35:44,100 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:35:44,100 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:35:44,101 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:35:44,101 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:35:44,101 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:35:44,101 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:35:44,101 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:35:44,101 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:35:44,102 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:35:44,102 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:35:44,102 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 17:35:44,102 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 17:35:44,102 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 17:35:44,103 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:35:44,103 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:35:44,103 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:35:44,103 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:35:44,103 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:35:44,104 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:35:44,104 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:35:44,104 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:35:44,104 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:35:44,104 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:35:44,105 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:35:44,106 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 17:35:44,106 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 83e6df15f4eb2b31c3a84809f6e84287e8028f32a3392fa2ef77c11f7544f928 [2022-11-25 17:35:44,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:35:44,544 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:35:44,549 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:35:44,551 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:35:44,552 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:35:44,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c [2022-11-25 17:35:47,681 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:35:48,031 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:35:48,032 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c [2022-11-25 17:35:48,062 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/3124d08b6/e0f16c8d47a948dcb80a3d82d5742284/FLAG0a20b7358 [2022-11-25 17:35:48,088 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/data/3124d08b6/e0f16c8d47a948dcb80a3d82d5742284 [2022-11-25 17:35:48,092 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:35:48,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:35:48,097 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:48,097 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:35:48,101 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:35:48,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:48" (1/1) ... [2022-11-25 17:35:48,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8607bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:48, skipping insertion in model container [2022-11-25 17:35:48,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:35:48" (1/1) ... [2022-11-25 17:35:48,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:35:48,253 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:35:48,436 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c[1107,1120] [2022-11-25 17:35:48,955 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:48,995 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:35:49,007 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal186.c[1107,1120] [2022-11-25 17:35:49,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:35:49,297 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:35:49,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49 WrapperNode [2022-11-25 17:35:49,298 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:35:49,299 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:49,299 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:35:49,299 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:35:49,306 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,358 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,486 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 3463 [2022-11-25 17:35:49,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:35:49,488 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:35:49,488 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:35:49,488 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:35:49,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,632 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,640 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,653 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,684 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:35:49,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:35:49,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:35:49,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:35:49,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (1/1) ... [2022-11-25 17:35:49,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:35:49,745 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:35:49,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:35:49,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:35:49,812 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:35:49,812 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:35:50,625 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:35:50,627 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:35:57,002 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:35:57,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:35:57,011 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 17:35:57,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:57 BoogieIcfgContainer [2022-11-25 17:35:57,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:35:57,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:35:57,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:35:57,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:35:57,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:35:48" (1/3) ... [2022-11-25 17:35:57,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359b75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:57, skipping insertion in model container [2022-11-25 17:35:57,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:35:49" (2/3) ... [2022-11-25 17:35:57,025 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@359b75a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:35:57, skipping insertion in model container [2022-11-25 17:35:57,025 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:35:57" (3/3) ... [2022-11-25 17:35:57,027 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal186.c [2022-11-25 17:35:57,048 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:35:57,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 17:35:57,124 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:35:57,131 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;@6d149ad9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:35:57,132 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 17:35:57,135 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) [2022-11-25 17:35:57,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 17:35:57,141 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:57,142 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 17:35:57,143 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:35:57,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:57,150 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 17:35:57,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:35:57,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2099550064] [2022-11-25 17:35:57,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:57,170 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 [2022-11-25 17:35:57,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:35:57,176 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:35:57,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:35:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:35:57,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-25 17:35:57,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:35:58,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:35:58,136 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 17:35:58,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:35:58,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2099550064] [2022-11-25 17:35:58,138 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2099550064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:35:58,138 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:35:58,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:35:58,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964064973] [2022-11-25 17:35:58,141 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:35:58,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:35:58,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:35:58,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:35:58,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:35:58,181 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) [2022-11-25 17:35:59,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:35:59,045 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 17:35:59,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 17:35:59,049 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 [2022-11-25 17:35:59,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:35:59,059 INFO L225 Difference]: With dead ends: 20 [2022-11-25 17:35:59,060 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 17:35:59,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 17:35:59,070 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:35:59,073 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-25 17:35:59,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 17:35:59,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 17:35:59,106 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) [2022-11-25 17:35:59,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 17:35:59,108 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 17:35:59,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:35:59,109 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 17:35:59,109 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) [2022-11-25 17:35:59,109 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 17:35:59,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 17:35:59,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:35:59,110 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 17:35:59,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 17:35:59,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:35:59,326 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:35:59,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:35:59,327 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 17:35:59,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:35:59,335 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1764185440] [2022-11-25 17:35:59,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:35:59,336 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 [2022-11-25 17:35:59,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:35:59,339 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:35:59,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:36:01,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:36:01,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 3186 conjuncts, 50 conjunts are in the unsatisfiable core [2022-11-25 17:36:01,381 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:36:01,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:36:01,641 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:36:02,571 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:36:02,572 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:36:02,572 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1764185440] [2022-11-25 17:36:02,572 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1764185440] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:36:02,573 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:36:02,573 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 17:36:02,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528107520] [2022-11-25 17:36:02,574 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:36:02,575 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 17:36:02,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:36:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 17:36:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:36:02,578 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) [2022-11-25 17:36:04,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:36:04,517 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 17:36:04,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:36:04,518 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 [2022-11-25 17:36:04,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:36:04,519 INFO L225 Difference]: With dead ends: 16 [2022-11-25 17:36:04,519 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 17:36:04,519 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2022-11-25 17:36:04,520 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-25 17:36:04,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 21 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-25 17:36:04,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 17:36:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 17:36:04,524 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) [2022-11-25 17:36:04,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 17:36:04,525 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 17:36:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:36:04,525 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 17:36:04,526 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) [2022-11-25 17:36:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 17:36:04,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 17:36:04,526 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:36:04,526 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 17:36:04,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:36:04,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:36:04,739 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:36:04,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:36:04,740 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 17:36:04,745 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:36:04,745 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107409973] [2022-11-25 17:36:04,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 17:36:04,746 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 [2022-11-25 17:36:04,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:36:04,747 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:36:04,775 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:36:07,750 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 17:36:07,751 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:36:07,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 6114 conjuncts, 152 conjunts are in the unsatisfiable core [2022-11-25 17:36:07,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 17:36:09,590 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:36:09,591 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 17:38:37,891 WARN L233 SmtUtils]: Spent 1.72m on a formula simplification. DAG size of input: 381 DAG size of output: 131 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-25 17:38:46,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:38:46,286 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 17:38:46,287 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107409973] [2022-11-25 17:38:46,287 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107409973] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 17:38:46,287 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 17:38:46,288 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-25 17:38:46,288 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905153426] [2022-11-25 17:38:46,288 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 17:38:46,289 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-25 17:38:46,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 17:38:46,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-25 17:38:46,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=102, Unknown=2, NotChecked=0, Total=132 [2022-11-25 17:38:46,291 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-25 17:38:49,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-11-25 17:38:51,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:38:51,332 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-25 17:38:51,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-25 17:38:51,333 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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 [2022-11-25 17:38:51,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:38:51,334 INFO L225 Difference]: With dead ends: 19 [2022-11-25 17:38:51,334 INFO L226 Difference]: Without dead ends: 17 [2022-11-25 17:38:51,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 117.4s TimeCoverageRelationStatistics Valid=55, Invalid=183, Unknown=2, NotChecked=0, Total=240 [2022-11-25 17:38:51,336 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:38:51,337 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 26 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 4.0s Time] [2022-11-25 17:38:51,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-25 17:38:51,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-25 17:38:51,343 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) [2022-11-25 17:38:51,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-25 17:38:51,344 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-25 17:38:51,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:38:51,344 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-25 17:38:51,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 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) [2022-11-25 17:38:51,345 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-25 17:38:51,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:38:51,346 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:38:51,346 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-25 17:38:51,405 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:38:51,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:38:51,548 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 17:38:51,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:38:51,549 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-25 17:38:51,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 17:38:51,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [176514162] [2022-11-25 17:38:51,558 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-25 17:38:51,558 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 [2022-11-25 17:38:51,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 17:38:51,560 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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) [2022-11-25 17:38:51,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e216bcea-56c5-4612-a8f2-360bab00f506/bin/uautomizer-ZsLfNo2U6R/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 [2022-11-25 17:38:56,882 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-11-25 17:38:56,882 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 17:38:57,268 INFO L263 TraceCheckSpWp]: Trace formula consists of 9042 conjuncts, 1036 conjunts are in the unsatisfiable core [2022-11-25 17:38:57,356 INFO L286 TraceCheckSpWp]: Computing forward predicates...