./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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_62375387-5c84-408e-8ada-eaabbe6db549/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 71c9ad4d22d8803e8ce68978dcece5a0c38af93fd6faccf6f5517fe451659fc5 --- 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 16:49:53,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:49:53,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:49:53,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:49:53,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:49:53,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:49:53,591 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:49:53,593 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:49:53,595 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:49:53,596 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:49:53,598 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:49:53,599 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:49:53,599 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:49:53,601 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:49:53,602 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:49:53,603 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:49:53,604 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:49:53,605 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:49:53,607 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:49:53,609 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:49:53,611 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:49:53,612 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:49:53,613 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:49:53,614 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:49:53,618 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:49:53,619 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:49:53,619 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:49:53,620 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:49:53,621 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:49:53,622 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:49:53,622 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:49:53,623 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:49:53,624 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:49:53,625 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:49:53,626 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:49:53,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:49:53,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:49:53,628 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:49:53,628 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:49:53,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:49:53,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:49:53,631 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 16:49:53,655 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:49:53,656 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:49:53,656 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:49:53,656 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:49:53,657 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:49:53,657 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:49:53,658 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:49:53,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:49:53,659 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:49:53,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:49:53,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 16:49:53,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:49:53,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:49:53,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:49:53,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:49:53,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:49:53,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:49:53,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:49:53,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:49:53,663 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:49:53,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:49:53,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:49:53,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:49:53,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:49:53,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:49:53,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 16:49:53,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 16:49:53,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:49:53,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:49:53,665 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:49:53,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:49:53,666 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_62375387-5c84-408e-8ada-eaabbe6db549/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c9ad4d22d8803e8ce68978dcece5a0c38af93fd6faccf6f5517fe451659fc5 [2022-11-25 16:49:53,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:49:53,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:49:53,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:49:53,981 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:49:53,982 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:49:53,983 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2022-11-25 16:49:57,307 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:49:57,535 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:49:57,535 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2022-11-25 16:49:57,554 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/638eb05f6/4c4494aefaaa411e99930c87acb9588c/FLAGd49d03f9a [2022-11-25 16:49:57,580 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/638eb05f6/4c4494aefaaa411e99930c87acb9588c [2022-11-25 16:49:57,584 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:49:57,586 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:49:57,589 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:49:57,589 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:49:57,593 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:49:57,597 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:57" (1/1) ... [2022-11-25 16:49:57,598 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509e1892 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:57, skipping insertion in model container [2022-11-25 16:49:57,599 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:49:57" (1/1) ... [2022-11-25 16:49:57,609 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:49:57,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:49:57,807 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_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1107,1120] [2022-11-25 16:49:57,900 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:49:57,908 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:49:57,918 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_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1107,1120] [2022-11-25 16:49:57,990 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:49:58,018 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:49:58,019 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58 WrapperNode [2022-11-25 16:49:58,019 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:49:58,020 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:49:58,020 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:49:58,020 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:49:58,027 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,038 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,073 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 330 [2022-11-25 16:49:58,074 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:49:58,074 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:49:58,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:49:58,075 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:49:58,096 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,140 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,147 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:49:58,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:49:58,148 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:49:58,148 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:49:58,165 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (1/1) ... [2022-11-25 16:49:58,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:49:58,204 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:49:58,216 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:49:58,222 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:49:58,269 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:49:58,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:49:58,404 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:49:58,407 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:49:59,318 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:49:59,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:49:59,326 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:49:59,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:59 BoogieIcfgContainer [2022-11-25 16:49:59,329 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:49:59,331 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:49:59,331 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:49:59,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:49:59,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:49:57" (1/3) ... [2022-11-25 16:49:59,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fad9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:59, skipping insertion in model container [2022-11-25 16:49:59,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:49:58" (2/3) ... [2022-11-25 16:49:59,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fad9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:49:59, skipping insertion in model container [2022-11-25 16:49:59,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:59" (3/3) ... [2022-11-25 16:49:59,339 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b08.c [2022-11-25 16:49:59,360 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:49:59,361 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:49:59,433 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:49:59,447 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;@5c38369a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:49:59,448 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:49:59,453 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 16:49:59,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:49:59,461 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:49:59,462 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:49:59,463 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:49:59,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:49:59,474 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:49:59,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 16:49:59,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088383553] [2022-11-25 16:49:59,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:49:59,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 16:50:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:00,384 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 16:50:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 16:50:00,898 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 16:50:00,900 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 16:50:00,902 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:50:00,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 16:50:00,912 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 16:50:00,916 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:50:00,964 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 16:50:00,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:50:00 BoogieIcfgContainer [2022-11-25 16:50:00,989 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:50:00,991 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:50:00,991 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:50:00,992 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:50:00,992 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:49:59" (3/4) ... [2022-11-25 16:50:00,999 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 16:50:01,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:50:01,001 INFO L158 Benchmark]: Toolchain (without parser) took 3415.41ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 119.9MB in the beginning and 70.4MB in the end (delta: 49.5MB). Peak memory consumption was 95.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,002 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 107.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:01,004 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.46ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 103.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,005 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.00ms. Allocated memory is still 163.6MB. Free memory was 103.1MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,011 INFO L158 Benchmark]: Boogie Preprocessor took 72.50ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,012 INFO L158 Benchmark]: RCFGBuilder took 1181.34ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 97.9MB in the beginning and 99.6MB in the end (delta: -1.7MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,014 INFO L158 Benchmark]: TraceAbstraction took 1658.27ms. Allocated memory is still 207.6MB. Free memory was 98.5MB in the beginning and 70.4MB in the end (delta: 28.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:01,015 INFO L158 Benchmark]: Witness Printer took 9.21ms. Allocated memory is still 207.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:01,023 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 163.6MB. Free memory was 107.2MB in the beginning and 107.0MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.46ms. Allocated memory is still 163.6MB. Free memory was 119.9MB in the beginning and 103.7MB in the end (delta: 16.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.00ms. Allocated memory is still 163.6MB. Free memory was 103.1MB in the beginning and 100.0MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 72.50ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 97.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1181.34ms. Allocated memory was 163.6MB in the beginning and 207.6MB in the end (delta: 44.0MB). Free memory was 97.9MB in the beginning and 99.6MB in the end (delta: -1.7MB). Peak memory consumption was 49.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1658.27ms. Allocated memory is still 207.6MB. Free memory was 98.5MB in the beginning and 70.4MB in the end (delta: 28.1MB). Peak memory consumption was 29.1MB. Max. memory is 16.1GB. * Witness Printer took 9.21ms. Allocated memory is still 207.6MB. Free memory is still 70.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 294, overapproximation of bitwiseAnd at line 103. 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_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 8); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (8 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 20); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (20 - 1); [L34] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 3); [L35] const SORT_9 msb_SORT_9 = (SORT_9)1 << (3 - 1); [L37] const SORT_13 mask_SORT_13 = (SORT_13)-1 >> (sizeof(SORT_13) * 8 - 32); [L38] const SORT_13 msb_SORT_13 = (SORT_13)1 << (32 - 1); [L40] const SORT_90 mask_SORT_90 = (SORT_90)-1 >> (sizeof(SORT_90) * 8 - 4); [L41] const SORT_90 msb_SORT_90 = (SORT_90)1 << (4 - 1); [L43] const SORT_6 var_7 = 196596; [L44] const SORT_6 var_8 = 829275; [L45] const SORT_9 var_10 = 0; [L46] const SORT_13 var_15 = 6; [L47] const SORT_13 var_20 = 5; [L48] const SORT_13 var_25 = 4; [L49] const SORT_13 var_30 = 3; [L50] const SORT_13 var_35 = 2; [L51] const SORT_13 var_40 = 1; [L52] const SORT_13 var_45 = 0; [L53] const SORT_6 var_48 = 1047464; [L54] const SORT_6 var_60 = 1048430; [L55] const SORT_6 var_70 = 1046202; [L56] const SORT_6 var_78 = 692223; [L57] const SORT_6 var_84 = 236898; [L58] const SORT_6 var_88 = 522618; [L59] const SORT_1 var_96 = 1; [L60] const SORT_1 var_107 = 0; [L62] SORT_1 input_2; [L63] SORT_3 input_4; [L64] SORT_1 input_5; [L65] SORT_6 input_18; [L66] SORT_6 input_23; [L67] SORT_6 input_28; [L68] SORT_6 input_33; [L69] SORT_6 input_38; [L70] SORT_6 input_43; [L71] SORT_6 input_50; [L72] SORT_6 input_52; [L73] SORT_6 input_54; [L74] SORT_6 input_56; [L75] SORT_6 input_58; [L76] SORT_6 input_62; [L77] SORT_6 input_64; [L78] SORT_6 input_66; [L79] SORT_6 input_68; [L80] SORT_6 input_72; [L81] SORT_6 input_74; [L82] SORT_6 input_76; [L83] SORT_6 input_80; [L84] SORT_6 input_82; [L85] SORT_6 input_86; [L86] SORT_3 input_100; [L87] SORT_90 input_102; [L88] SORT_90 input_104; [L89] SORT_1 input_113; [L91] SORT_9 state_11 = __VERIFIER_nondet_uchar() & mask_SORT_9; [L92] SORT_1 state_108 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L94] SORT_9 init_12_arg_1 = var_10; [L95] state_11 = init_12_arg_1 [L96] SORT_1 init_109_arg_1 = var_107; [L97] state_108 = init_109_arg_1 VAL [init_109_arg_1=0, init_12_arg_1=0, mask_SORT_1=1, mask_SORT_13=4294967295, mask_SORT_3=255, mask_SORT_6=4294967295, mask_SORT_9=7, mask_SORT_90=15, msb_SORT_1=1, msb_SORT_13=2147483648, msb_SORT_3=128, msb_SORT_6=524288, msb_SORT_9=4, msb_SORT_90=8, state_108=0, state_11=0, var_10=0, var_107=0, var_15=6, var_20=5, var_25=4, var_30=3, var_35=2, var_40=1, var_45=0, var_48=1047464, var_60=1048430, var_7=196596, var_70=1046202, var_78=692223, var_8=829275, var_84=236898, var_88=522618, var_96=1] [L100] input_2 = __VERIFIER_nondet_uchar() [L101] input_4 = __VERIFIER_nondet_uchar() [L102] input_5 = __VERIFIER_nondet_uchar() [L103] input_5 = input_5 & mask_SORT_1 [L104] input_18 = __VERIFIER_nondet_uint() [L105] input_23 = __VERIFIER_nondet_uint() [L106] input_28 = __VERIFIER_nondet_uint() [L107] input_33 = __VERIFIER_nondet_uint() [L108] input_38 = __VERIFIER_nondet_uint() [L109] input_43 = __VERIFIER_nondet_uint() [L110] input_50 = __VERIFIER_nondet_uint() [L111] input_52 = __VERIFIER_nondet_uint() [L112] input_54 = __VERIFIER_nondet_uint() [L113] input_56 = __VERIFIER_nondet_uint() [L114] input_58 = __VERIFIER_nondet_uint() [L115] input_62 = __VERIFIER_nondet_uint() [L116] input_64 = __VERIFIER_nondet_uint() [L117] input_66 = __VERIFIER_nondet_uint() [L118] input_68 = __VERIFIER_nondet_uint() [L119] input_72 = __VERIFIER_nondet_uint() [L120] input_74 = __VERIFIER_nondet_uint() [L121] input_76 = __VERIFIER_nondet_uint() [L122] input_80 = __VERIFIER_nondet_uint() [L123] input_82 = __VERIFIER_nondet_uint() [L124] input_86 = __VERIFIER_nondet_uint() [L125] input_100 = __VERIFIER_nondet_uchar() [L126] input_102 = __VERIFIER_nondet_uchar() [L127] input_104 = __VERIFIER_nondet_uchar() [L128] input_113 = __VERIFIER_nondet_uchar() [L131] SORT_9 var_44_arg_0 = state_11; [L132] var_44_arg_0 = var_44_arg_0 & mask_SORT_9 [L133] SORT_13 var_44 = var_44_arg_0; [L134] SORT_13 var_46_arg_0 = var_44; [L135] SORT_13 var_46_arg_1 = var_45; [L136] SORT_1 var_46 = var_46_arg_0 == var_46_arg_1; [L137] SORT_9 var_39_arg_0 = state_11; [L138] var_39_arg_0 = var_39_arg_0 & mask_SORT_9 [L139] SORT_13 var_39 = var_39_arg_0; [L140] SORT_13 var_41_arg_0 = var_39; [L141] SORT_13 var_41_arg_1 = var_40; [L142] SORT_1 var_41 = var_41_arg_0 == var_41_arg_1; [L143] SORT_9 var_34_arg_0 = state_11; [L144] var_34_arg_0 = var_34_arg_0 & mask_SORT_9 [L145] SORT_13 var_34 = var_34_arg_0; [L146] SORT_13 var_36_arg_0 = var_34; [L147] SORT_13 var_36_arg_1 = var_35; [L148] SORT_1 var_36 = var_36_arg_0 == var_36_arg_1; [L149] SORT_9 var_29_arg_0 = state_11; [L150] var_29_arg_0 = var_29_arg_0 & mask_SORT_9 [L151] SORT_13 var_29 = var_29_arg_0; [L152] SORT_13 var_31_arg_0 = var_29; [L153] SORT_13 var_31_arg_1 = var_30; [L154] SORT_1 var_31 = var_31_arg_0 == var_31_arg_1; [L155] SORT_9 var_24_arg_0 = state_11; [L156] var_24_arg_0 = var_24_arg_0 & mask_SORT_9 [L157] SORT_13 var_24 = var_24_arg_0; [L158] SORT_13 var_26_arg_0 = var_24; [L159] SORT_13 var_26_arg_1 = var_25; [L160] SORT_1 var_26 = var_26_arg_0 == var_26_arg_1; [L161] SORT_9 var_19_arg_0 = state_11; [L162] var_19_arg_0 = var_19_arg_0 & mask_SORT_9 [L163] SORT_13 var_19 = var_19_arg_0; [L164] SORT_13 var_21_arg_0 = var_19; [L165] SORT_13 var_21_arg_1 = var_20; [L166] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L167] SORT_9 var_14_arg_0 = state_11; [L168] var_14_arg_0 = var_14_arg_0 & mask_SORT_9 [L169] SORT_13 var_14 = var_14_arg_0; [L170] SORT_13 var_16_arg_0 = var_14; [L171] SORT_13 var_16_arg_1 = var_15; [L172] SORT_1 var_16 = var_16_arg_0 == var_16_arg_1; [L173] SORT_1 var_17_arg_0 = var_16; [L174] SORT_6 var_17_arg_1 = var_8; [L175] SORT_6 var_17_arg_2 = var_7; [L176] SORT_6 var_17 = var_17_arg_0 ? var_17_arg_1 : var_17_arg_2; [L177] SORT_1 var_22_arg_0 = var_21; [L178] SORT_6 var_22_arg_1 = input_18; [L179] SORT_6 var_22_arg_2 = var_17; [L180] SORT_6 var_22 = var_22_arg_0 ? var_22_arg_1 : var_22_arg_2; [L181] SORT_1 var_27_arg_0 = var_26; [L182] SORT_6 var_27_arg_1 = input_23; [L183] SORT_6 var_27_arg_2 = var_22; [L184] SORT_6 var_27 = var_27_arg_0 ? var_27_arg_1 : var_27_arg_2; [L185] SORT_1 var_32_arg_0 = var_31; [L186] SORT_6 var_32_arg_1 = input_28; [L187] SORT_6 var_32_arg_2 = var_27; [L188] SORT_6 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L189] SORT_1 var_37_arg_0 = var_36; [L190] SORT_6 var_37_arg_1 = input_33; [L191] SORT_6 var_37_arg_2 = var_32; [L192] SORT_6 var_37 = var_37_arg_0 ? var_37_arg_1 : var_37_arg_2; [L193] SORT_1 var_42_arg_0 = var_41; [L194] SORT_6 var_42_arg_1 = input_38; [L195] SORT_6 var_42_arg_2 = var_37; [L196] SORT_6 var_42 = var_42_arg_0 ? var_42_arg_1 : var_42_arg_2; [L197] SORT_1 var_47_arg_0 = var_46; [L198] SORT_6 var_47_arg_1 = input_43; [L199] SORT_6 var_47_arg_2 = var_42; [L200] SORT_6 var_47 = var_47_arg_0 ? var_47_arg_1 : var_47_arg_2; [L201] SORT_1 var_49_arg_0 = var_21; [L202] SORT_6 var_49_arg_1 = var_48; [L203] SORT_6 var_49_arg_2 = var_47; [L204] SORT_6 var_49 = var_49_arg_0 ? var_49_arg_1 : var_49_arg_2; [L205] SORT_1 var_51_arg_0 = var_26; [L206] SORT_6 var_51_arg_1 = input_50; [L207] SORT_6 var_51_arg_2 = var_49; [L208] SORT_6 var_51 = var_51_arg_0 ? var_51_arg_1 : var_51_arg_2; [L209] SORT_1 var_53_arg_0 = var_31; [L210] SORT_6 var_53_arg_1 = input_52; [L211] SORT_6 var_53_arg_2 = var_51; [L212] SORT_6 var_53 = var_53_arg_0 ? var_53_arg_1 : var_53_arg_2; [L213] SORT_1 var_55_arg_0 = var_36; [L214] SORT_6 var_55_arg_1 = input_54; [L215] SORT_6 var_55_arg_2 = var_53; [L216] SORT_6 var_55 = var_55_arg_0 ? var_55_arg_1 : var_55_arg_2; [L217] SORT_1 var_57_arg_0 = var_41; [L218] SORT_6 var_57_arg_1 = input_56; [L219] SORT_6 var_57_arg_2 = var_55; [L220] SORT_6 var_57 = var_57_arg_0 ? var_57_arg_1 : var_57_arg_2; [L221] SORT_1 var_59_arg_0 = var_46; [L222] SORT_6 var_59_arg_1 = input_58; [L223] SORT_6 var_59_arg_2 = var_57; [L224] SORT_6 var_59 = var_59_arg_0 ? var_59_arg_1 : var_59_arg_2; [L225] SORT_1 var_61_arg_0 = var_26; [L226] SORT_6 var_61_arg_1 = var_60; [L227] SORT_6 var_61_arg_2 = var_59; [L228] SORT_6 var_61 = var_61_arg_0 ? var_61_arg_1 : var_61_arg_2; [L229] SORT_1 var_63_arg_0 = var_31; [L230] SORT_6 var_63_arg_1 = input_62; [L231] SORT_6 var_63_arg_2 = var_61; [L232] SORT_6 var_63 = var_63_arg_0 ? var_63_arg_1 : var_63_arg_2; [L233] SORT_1 var_65_arg_0 = var_36; [L234] SORT_6 var_65_arg_1 = input_64; [L235] SORT_6 var_65_arg_2 = var_63; [L236] SORT_6 var_65 = var_65_arg_0 ? var_65_arg_1 : var_65_arg_2; [L237] SORT_1 var_67_arg_0 = var_41; [L238] SORT_6 var_67_arg_1 = input_66; [L239] SORT_6 var_67_arg_2 = var_65; [L240] SORT_6 var_67 = var_67_arg_0 ? var_67_arg_1 : var_67_arg_2; [L241] SORT_1 var_69_arg_0 = var_46; [L242] SORT_6 var_69_arg_1 = input_68; [L243] SORT_6 var_69_arg_2 = var_67; [L244] SORT_6 var_69 = var_69_arg_0 ? var_69_arg_1 : var_69_arg_2; [L245] SORT_1 var_71_arg_0 = var_31; [L246] SORT_6 var_71_arg_1 = var_70; [L247] SORT_6 var_71_arg_2 = var_69; [L248] SORT_6 var_71 = var_71_arg_0 ? var_71_arg_1 : var_71_arg_2; [L249] SORT_1 var_73_arg_0 = var_36; [L250] SORT_6 var_73_arg_1 = input_72; [L251] SORT_6 var_73_arg_2 = var_71; [L252] SORT_6 var_73 = var_73_arg_0 ? var_73_arg_1 : var_73_arg_2; [L253] SORT_1 var_75_arg_0 = var_41; [L254] SORT_6 var_75_arg_1 = input_74; [L255] SORT_6 var_75_arg_2 = var_73; [L256] SORT_6 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L257] SORT_1 var_77_arg_0 = var_46; [L258] SORT_6 var_77_arg_1 = input_76; [L259] SORT_6 var_77_arg_2 = var_75; [L260] SORT_6 var_77 = var_77_arg_0 ? var_77_arg_1 : var_77_arg_2; [L261] SORT_1 var_79_arg_0 = var_36; [L262] SORT_6 var_79_arg_1 = var_78; [L263] SORT_6 var_79_arg_2 = var_77; [L264] SORT_6 var_79 = var_79_arg_0 ? var_79_arg_1 : var_79_arg_2; [L265] SORT_1 var_81_arg_0 = var_41; [L266] SORT_6 var_81_arg_1 = input_80; [L267] SORT_6 var_81_arg_2 = var_79; [L268] SORT_6 var_81 = var_81_arg_0 ? var_81_arg_1 : var_81_arg_2; [L269] SORT_1 var_83_arg_0 = var_46; [L270] SORT_6 var_83_arg_1 = input_82; [L271] SORT_6 var_83_arg_2 = var_81; [L272] SORT_6 var_83 = var_83_arg_0 ? var_83_arg_1 : var_83_arg_2; [L273] SORT_1 var_85_arg_0 = var_41; [L274] SORT_6 var_85_arg_1 = var_84; [L275] SORT_6 var_85_arg_2 = var_83; [L276] SORT_6 var_85 = var_85_arg_0 ? var_85_arg_1 : var_85_arg_2; [L277] SORT_1 var_87_arg_0 = var_46; [L278] SORT_6 var_87_arg_1 = input_86; [L279] SORT_6 var_87_arg_2 = var_85; [L280] SORT_6 var_87 = var_87_arg_0 ? var_87_arg_1 : var_87_arg_2; [L281] SORT_1 var_89_arg_0 = var_46; [L282] SORT_6 var_89_arg_1 = var_88; [L283] SORT_6 var_89_arg_2 = var_87; [L284] SORT_6 var_89 = var_89_arg_0 ? var_89_arg_1 : var_89_arg_2; [L285] SORT_6 var_91_arg_0 = var_89; [L286] SORT_90 var_91 = var_91_arg_0 >> 0; [L287] SORT_90 var_92_arg_0 = var_91; [L288] var_92_arg_0 = var_92_arg_0 & mask_SORT_90 [L289] SORT_13 var_92 = var_92_arg_0; [L290] SORT_13 var_93_arg_0 = var_92; [L291] SORT_13 var_93_arg_1 = var_45; [L292] SORT_1 var_93 = var_93_arg_0 != var_93_arg_1; [L293] SORT_1 var_97_arg_0 = var_93; [L294] SORT_1 var_97 = ~var_97_arg_0; [L295] SORT_1 var_98_arg_0 = var_96; [L296] SORT_1 var_98_arg_1 = var_97; [L297] SORT_1 var_98 = var_98_arg_0 & var_98_arg_1; [L298] var_98 = var_98 & mask_SORT_1 [L299] SORT_1 bad_99_arg_0 = var_98; [L300] CALL __VERIFIER_assert(!(bad_99_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: 1.5s, 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, 0.7s 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 16:50:01,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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_62375387-5c84-408e-8ada-eaabbe6db549/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 71c9ad4d22d8803e8ce68978dcece5a0c38af93fd6faccf6f5517fe451659fc5 --- 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 16:50:03,637 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 16:50:03,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 16:50:03,689 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 16:50:03,692 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 16:50:03,696 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 16:50:03,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 16:50:03,705 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 16:50:03,708 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 16:50:03,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 16:50:03,713 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 16:50:03,716 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 16:50:03,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 16:50:03,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 16:50:03,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 16:50:03,727 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 16:50:03,729 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 16:50:03,730 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 16:50:03,732 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 16:50:03,736 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 16:50:03,739 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 16:50:03,744 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 16:50:03,746 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 16:50:03,747 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 16:50:03,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 16:50:03,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 16:50:03,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 16:50:03,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 16:50:03,762 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 16:50:03,763 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 16:50:03,763 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 16:50:03,764 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 16:50:03,765 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 16:50:03,767 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 16:50:03,769 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 16:50:03,769 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 16:50:03,770 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 16:50:03,770 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 16:50:03,771 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 16:50:03,772 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 16:50:03,772 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 16:50:03,778 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 16:50:03,812 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 16:50:03,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 16:50:03,814 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 16:50:03,814 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 16:50:03,815 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 16:50:03,816 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 16:50:03,817 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 16:50:03,817 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 16:50:03,817 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 16:50:03,818 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 16:50:03,819 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 16:50:03,819 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 16:50:03,820 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 16:50:03,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 16:50:03,820 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 16:50:03,820 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 16:50:03,821 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 16:50:03,821 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 16:50:03,821 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 16:50:03,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 16:50:03,822 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 16:50:03,822 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 16:50:03,822 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 16:50:03,823 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:03,823 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 16:50:03,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 16:50:03,824 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 16:50:03,824 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 16:50:03,824 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 16:50:03,824 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 16:50:03,825 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 16:50:03,825 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 16:50:03,825 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 16:50:03,826 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 16:50:03,826 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_62375387-5c84-408e-8ada-eaabbe6db549/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 71c9ad4d22d8803e8ce68978dcece5a0c38af93fd6faccf6f5517fe451659fc5 [2022-11-25 16:50:04,229 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 16:50:04,261 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 16:50:04,266 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 16:50:04,268 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 16:50:04,268 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 16:50:04,270 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2022-11-25 16:50:07,487 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 16:50:07,818 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 16:50:07,819 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c [2022-11-25 16:50:07,834 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/48407c244/b2690d3688fc446fa5024e1f328ab963/FLAGbc28b8aa0 [2022-11-25 16:50:07,865 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/data/48407c244/b2690d3688fc446fa5024e1f328ab963 [2022-11-25 16:50:07,870 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 16:50:07,872 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 16:50:07,877 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:07,878 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 16:50:07,882 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 16:50:07,883 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:07" (1/1) ... [2022-11-25 16:50:07,884 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46d3c25f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:07, skipping insertion in model container [2022-11-25 16:50:07,885 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:50:07" (1/1) ... [2022-11-25 16:50:07,893 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 16:50:07,948 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 16:50:08,154 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_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1107,1120] [2022-11-25 16:50:08,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:08,306 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 16:50:08,318 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_62375387-5c84-408e-8ada-eaabbe6db549/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b08.c[1107,1120] [2022-11-25 16:50:08,364 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 16:50:08,381 INFO L208 MainTranslator]: Completed translation [2022-11-25 16:50:08,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08 WrapperNode [2022-11-25 16:50:08,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 16:50:08,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:08,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 16:50:08,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 16:50:08,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,412 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,460 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 330 [2022-11-25 16:50:08,467 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 16:50:08,469 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 16:50:08,469 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 16:50:08,469 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 16:50:08,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,509 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,525 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 16:50:08,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 16:50:08,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 16:50:08,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 16:50:08,547 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (1/1) ... [2022-11-25 16:50:08,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 16:50:08,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 16:50:08,584 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 16:50:08,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 16:50:08,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 16:50:08,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 16:50:08,828 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 16:50:08,830 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 16:50:09,197 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 16:50:09,204 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 16:50:09,205 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 16:50:09,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:09 BoogieIcfgContainer [2022-11-25 16:50:09,207 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 16:50:09,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 16:50:09,210 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 16:50:09,213 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 16:50:09,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 04:50:07" (1/3) ... [2022-11-25 16:50:09,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c7cba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:09, skipping insertion in model container [2022-11-25 16:50:09,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:50:08" (2/3) ... [2022-11-25 16:50:09,231 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62c7cba5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 04:50:09, skipping insertion in model container [2022-11-25 16:50:09,231 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:09" (3/3) ... [2022-11-25 16:50:09,233 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b08.c [2022-11-25 16:50:09,255 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 16:50:09,255 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 16:50:09,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 16:50:09,333 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;@2be89e7f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 16:50:09,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 16:50:09,338 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 16:50:09,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 16:50:09,345 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:09,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 16:50:09,347 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:50:09,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:09,357 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 16:50:09,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:50:09,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056765083] [2022-11-25 16:50:09,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:09,376 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 16:50:09,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:50:09,385 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:09,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:09,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-25 16:50:09,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:10,172 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 16:50:10,173 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 16:50:10,174 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:50:10,174 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056765083] [2022-11-25 16:50:10,175 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056765083] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 16:50:10,175 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 16:50:10,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 16:50:10,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517791257] [2022-11-25 16:50:10,179 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 16:50:10,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 16:50:10,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:50:10,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 16:50:10,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 16:50:10,231 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 16:50:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:10,368 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 16:50:10,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 16:50:10,372 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 16:50:10,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:10,381 INFO L225 Difference]: With dead ends: 20 [2022-11-25 16:50:10,382 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 16:50:10,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 16:50:10,391 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:10,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:50:10,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 16:50:10,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 16:50:10,425 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 16:50:10,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 16:50:10,429 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 16:50:10,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:10,430 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 16:50:10,430 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 16:50:10,430 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 16:50:10,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 16:50:10,431 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:10,431 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 16:50:10,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:10,645 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:10,645 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:50:10,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:10,646 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 16:50:10,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:50:10,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [794839886] [2022-11-25 16:50:10,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 16:50:10,647 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 16:50:10,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:50:10,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:10,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 16:50:11,002 INFO L263 TraceCheckSpWp]: Trace formula consists of 443 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-25 16:50:11,007 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:11,338 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 16:50:11,339 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:50:12,438 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 16:50:12,438 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:50:12,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [794839886] [2022-11-25 16:50:12,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [794839886] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:50:12,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:50:12,440 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 16:50:12,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489566040] [2022-11-25 16:50:12,441 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:50:12,442 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 16:50:12,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:50:12,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 16:50:12,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 16:50:12,446 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 16:50:12,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:12,643 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 16:50:12,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 16:50:12,645 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 16:50:12,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:12,645 INFO L225 Difference]: With dead ends: 16 [2022-11-25 16:50:12,646 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 16:50:12,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 16:50:12,647 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:12,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:50:12,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 16:50:12,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 16:50:12,652 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 16:50:12,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 16:50:12,655 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 16:50:12,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:12,657 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 16:50:12,658 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 16:50:12,662 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 16:50:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 16:50:12,663 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 16:50:12,664 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 16:50:12,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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)] Forceful destruction successful, exit code 0 [2022-11-25 16:50:12,880 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:12,880 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 16:50:12,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 16:50:12,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 16:50:12,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 16:50:12,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2109685612] [2022-11-25 16:50:12,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 16:50:12,882 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 16:50:12,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 16:50:12,884 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:12,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:13,139 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-11-25 16:50:13,139 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 16:50:13,152 WARN L261 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-25 16:50:13,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 16:50:17,353 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:50:17,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 16:50:22,509 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-25 16:50:22,509 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 16:50:22,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2109685612] [2022-11-25 16:50:22,514 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2109685612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 16:50:22,515 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 16:50:22,515 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2022-11-25 16:50:22,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835610421] [2022-11-25 16:50:22,516 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 16:50:22,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 16:50:22,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 16:50:22,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 16:50:22,519 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-25 16:50:22,520 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 16:50:22,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 16:50:22,623 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-11-25 16:50:22,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 16:50:22,627 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 11 [2022-11-25 16:50:22,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 16:50:22,627 INFO L225 Difference]: With dead ends: 12 [2022-11-25 16:50:22,628 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 16:50:22,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-25 16:50:22,629 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 2 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 16:50:22,630 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 7 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 16:50:22,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 16:50:22,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 16:50:22,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 16:50:22,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 16:50:22,631 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-25 16:50:22,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 16:50:22,631 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 16:50:22,632 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 6 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 16:50:22,632 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 16:50:22,632 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 16:50:22,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 16:50:22,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:22,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 16:50:22,837 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 16:50:23,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 16:50:23,031 INFO L895 garLoopResultBuilder]: At program point L98-2(lines 98 327) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv1048430 32) |ULTIMATE.start_main_~var_60~0#1|)) (.cse2 (= (_ bv15 8) |ULTIMATE.start_main_~mask_SORT_90~0#1|)) (.cse3 (= (_ bv236898 32) |ULTIMATE.start_main_~var_84~0#1|)) (.cse4 (= (_ bv522618 32) |ULTIMATE.start_main_~var_88~0#1|)) (.cse5 (= |ULTIMATE.start_main_~var_78~0#1| (_ bv692223 32))) (.cse6 (= (_ bv196596 32) |ULTIMATE.start_main_~var_7~0#1|)) (.cse7 (= (_ bv1047464 32) |ULTIMATE.start_main_~var_48~0#1|)) (.cse8 (= (_ bv1046202 32) |ULTIMATE.start_main_~var_70~0#1|)) (.cse9 (= (_ bv829275 32) |ULTIMATE.start_main_~var_8~0#1|)) (.cse10 (= |ULTIMATE.start_main_~var_45~0#1| (_ bv0 32)))) (or (and .cse0 .cse1 (= (_ bv0 8) |ULTIMATE.start_main_~state_108~0#1|) .cse2 .cse3 .cse4 (= (_ bv0 8) |ULTIMATE.start_main_~state_11~0#1|) .cse5 .cse6 .cse7 .cse8 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_9~0#1|) .cse9 .cse10) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2022-11-25 16:50:23,032 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 16:50:23,032 INFO L899 garLoopResultBuilder]: For program point L98-3(lines 98 327) no Hoare annotation was computed. [2022-11-25 16:50:23,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 16:50:23,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 16:50:23,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 16:50:23,033 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 16:50:23,033 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 16:50:23,033 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 16:50:23,033 INFO L895 garLoopResultBuilder]: At program point L328(lines 22 329) the Hoare annotation is: false [2022-11-25 16:50:23,037 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-25 16:50:23,039 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 16:50:23,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 04:50:23 BoogieIcfgContainer [2022-11-25 16:50:23,054 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 16:50:23,055 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 16:50:23,055 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 16:50:23,056 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 16:50:23,056 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:50:09" (3/4) ... [2022-11-25 16:50:23,059 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 16:50:23,073 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 16:50:23,074 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 16:50:23,075 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 16:50:23,138 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 16:50:23,138 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 16:50:23,139 INFO L158 Benchmark]: Toolchain (without parser) took 15267.83ms. Allocated memory was 67.1MB in the beginning and 260.0MB in the end (delta: 192.9MB). Free memory was 36.9MB in the beginning and 113.1MB in the end (delta: -76.2MB). Peak memory consumption was 117.8MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,139 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 16:50:23,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 504.63ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,140 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.62ms. Allocated memory is still 67.1MB. Free memory was 39.8MB in the beginning and 36.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,141 INFO L158 Benchmark]: Boogie Preprocessor took 69.66ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 34.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,141 INFO L158 Benchmark]: RCFGBuilder took 668.05ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 34.5MB in the beginning and 41.7MB in the end (delta: -7.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,141 INFO L158 Benchmark]: TraceAbstraction took 13845.12ms. Allocated memory was 88.1MB in the beginning and 260.0MB in the end (delta: 172.0MB). Free memory was 41.3MB in the beginning and 119.4MB in the end (delta: -78.1MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,142 INFO L158 Benchmark]: Witness Printer took 83.57ms. Allocated memory is still 260.0MB. Free memory was 119.4MB in the beginning and 113.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-25 16:50:23,144 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 67.1MB. Free memory was 44.2MB in the beginning and 44.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 504.63ms. Allocated memory is still 67.1MB. Free memory was 36.7MB in the beginning and 39.8MB in the end (delta: -3.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.62ms. Allocated memory is still 67.1MB. Free memory was 39.8MB in the beginning and 36.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.66ms. Allocated memory is still 67.1MB. Free memory was 36.6MB in the beginning and 34.7MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 668.05ms. Allocated memory was 67.1MB in the beginning and 88.1MB in the end (delta: 21.0MB). Free memory was 34.5MB in the beginning and 41.7MB in the end (delta: -7.2MB). Peak memory consumption was 13.4MB. Max. memory is 16.1GB. * TraceAbstraction took 13845.12ms. Allocated memory was 88.1MB in the beginning and 260.0MB in the end (delta: 172.0MB). Free memory was 41.3MB in the beginning and 119.4MB in the end (delta: -78.1MB). Peak memory consumption was 94.7MB. Max. memory is 16.1GB. * Witness Printer took 83.57ms. Allocated memory is still 260.0MB. Free memory was 119.4MB in the beginning and 113.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.7s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 24 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 29 IncrementalHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 11 mSDtfsCounter, 29 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 42 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 82 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 43 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 11.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 11 QuantifiedInterpolants, 2292 SizeOfPredicates, 211 NumberOfNonLiveVariables, 901 ConjunctsInSsa, 186 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 10/18 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 98]: Loop Invariant Derived loop invariant: (((((((((((((1bv8 == mask_SORT_1 && 1048430bv32 == var_60) && 0bv8 == state_108) && 15bv8 == mask_SORT_90) && 236898bv32 == var_84) && 522618bv32 == var_88) && 0bv8 == state_11) && var_78 == 692223bv32) && 196596bv32 == var_7) && 1047464bv32 == var_48) && 1046202bv32 == var_70) && 7bv8 == mask_SORT_9) && 829275bv32 == var_8) && var_45 == 0bv32) || (((((((((((1bv8 == mask_SORT_1 && 1048430bv32 == var_60) && 15bv8 == mask_SORT_90) && cond == 1bv32) && 236898bv32 == var_84) && 522618bv32 == var_88) && var_78 == 692223bv32) && 196596bv32 == var_7) && 1047464bv32 == var_48) && 1046202bv32 == var_70) && 829275bv32 == var_8) && var_45 == 0bv32) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-25 16:50:23,169 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_62375387-5c84-408e-8ada-eaabbe6db549/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 Writing output log to file Ultimate.log Result: TRUE