./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8 --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 c091370a864b8105d5bcd2be2d0679be54be2c162b245e6a5ac109fba89fc497 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:55:44,587 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:55:44,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:55:44,605 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:55:44,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:55:44,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:55:44,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:55:44,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:55:44,609 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:55:44,610 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:55:44,610 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:55:44,611 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:55:44,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:55:44,612 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:55:44,613 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:55:44,614 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:55:44,614 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:55:44,615 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:55:44,616 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:55:44,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:55:44,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:55:44,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:55:44,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:55:44,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:55:44,623 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:55:44,623 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:55:44,623 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:55:44,624 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:55:44,624 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:55:44,625 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:55:44,625 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:55:44,626 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:55:44,626 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:55:44,627 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:55:44,628 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:55:44,628 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:55:44,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:55:44,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:55:44,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:55:44,629 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:55:44,630 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:55:44,630 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 17:55:44,646 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:55:44,646 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:55:44,646 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:55:44,646 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:55:44,647 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:55:44,647 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:55:44,648 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:55:44,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:55:44,648 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:55:44,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:55:44,649 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:55:44,650 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:55:44,650 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:55:44,651 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:55:44,651 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c091370a864b8105d5bcd2be2d0679be54be2c162b245e6a5ac109fba89fc497 [2022-12-13 17:55:44,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:55:44,846 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:55:44,848 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:55:44,849 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:55:44,849 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:55:44,850 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:55:47,412 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:55:47,688 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:55:47,689 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:55:47,704 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/6b8b00b4b/9aa8c9881541480d9639eb9c11990256/FLAGe78991a03 [2022-12-13 17:55:47,991 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/6b8b00b4b/9aa8c9881541480d9639eb9c11990256 [2022-12-13 17:55:47,993 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:55:47,994 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:55:47,996 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:55:47,996 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:55:48,000 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:55:48,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:55:47" (1/1) ... [2022-12-13 17:55:48,001 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642dd04e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48, skipping insertion in model container [2022-12-13 17:55:48,001 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:55:47" (1/1) ... [2022-12-13 17:55:48,009 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:55:48,065 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:55:48,203 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1107,1120] [2022-12-13 17:55:48,429 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:55:48,433 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:55:48,442 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1107,1120] [2022-12-13 17:55:48,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:55:48,553 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:55:48,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48 WrapperNode [2022-12-13 17:55:48,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:55:48,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:55:48,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:55:48,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:55:48,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,597 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,678 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1946 [2022-12-13 17:55:48,678 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:55:48,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:55:48,679 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:55:48,679 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:55:48,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,698 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,732 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,736 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,744 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,766 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:55:48,767 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:55:48,767 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:55:48,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:55:48,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (1/1) ... [2022-12-13 17:55:48,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:55:48,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:55:48,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:55:48,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:55:48,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:55:48,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:55:49,123 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:55:49,125 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:56:38,527 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:56:38,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:56:38,532 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:56:38,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:38 BoogieIcfgContainer [2022-12-13 17:56:38,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:56:38,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:56:38,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:56:38,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:56:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:55:47" (1/3) ... [2022-12-13 17:56:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfade13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:56:38, skipping insertion in model container [2022-12-13 17:56:38,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:55:48" (2/3) ... [2022-12-13 17:56:38,538 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cfade13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:56:38, skipping insertion in model container [2022-12-13 17:56:38,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:38" (3/3) ... [2022-12-13 17:56:38,540 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:56:38,553 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:56:38,553 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:56:38,585 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:56:38,590 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;@39de5849, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:56:38,590 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:56:38,593 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:56:38,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 17:56:38,597 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:56:38,598 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:56:38,598 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:56:38,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:38,602 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 17:56:38,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:56:38,608 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186462152] [2022-12-13 17:56:38,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:38,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:56:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:42,724 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:56:44,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:56:44,788 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:56:44,790 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 17:56:44,791 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 17:56:44,792 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 17:56:44,795 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 17:56:44,798 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 17:56:44,820 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 17:56:44,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 05:56:44 BoogieIcfgContainer [2022-12-13 17:56:44,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 17:56:44,832 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:56:44,832 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:56:44,832 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:56:44,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:38" (3/4) ... [2022-12-13 17:56:44,835 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:56:44,835 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:56:44,836 INFO L158 Benchmark]: Toolchain (without parser) took 56841.25ms. Allocated memory was 138.4MB in the beginning and 885.0MB in the end (delta: 746.6MB). Free memory was 100.3MB in the beginning and 367.7MB in the end (delta: -267.4MB). Peak memory consumption was 483.4MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,836 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:56:44,836 INFO L158 Benchmark]: CACSL2BoogieTranslator took 558.75ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 82.1MB in the end (delta: 17.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,837 INFO L158 Benchmark]: Boogie Procedure Inliner took 123.50ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 62.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,837 INFO L158 Benchmark]: Boogie Preprocessor took 87.80ms. Allocated memory is still 138.4MB. Free memory was 62.6MB in the beginning and 86.3MB in the end (delta: -23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,837 INFO L158 Benchmark]: RCFGBuilder took 49766.40ms. Allocated memory was 138.4MB in the beginning and 736.1MB in the end (delta: 597.7MB). Free memory was 86.3MB in the beginning and 379.6MB in the end (delta: -293.2MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,838 INFO L158 Benchmark]: TraceAbstraction took 6296.40ms. Allocated memory was 736.1MB in the beginning and 885.0MB in the end (delta: 148.9MB). Free memory was 379.6MB in the beginning and 368.7MB in the end (delta: 10.8MB). Peak memory consumption was 234.7MB. Max. memory is 16.1GB. [2022-12-13 17:56:44,838 INFO L158 Benchmark]: Witness Printer took 3.04ms. Allocated memory is still 885.0MB. Free memory was 368.7MB in the beginning and 367.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:56:44,840 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 115.3MB. Free memory is still 90.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 558.75ms. Allocated memory is still 138.4MB. Free memory was 99.9MB in the beginning and 82.1MB in the end (delta: 17.8MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 123.50ms. Allocated memory is still 138.4MB. Free memory was 82.1MB in the beginning and 62.6MB in the end (delta: 19.5MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Preprocessor took 87.80ms. Allocated memory is still 138.4MB. Free memory was 62.6MB in the beginning and 86.3MB in the end (delta: -23.8MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * RCFGBuilder took 49766.40ms. Allocated memory was 138.4MB in the beginning and 736.1MB in the end (delta: 597.7MB). Free memory was 86.3MB in the beginning and 379.6MB in the end (delta: -293.2MB). Peak memory consumption was 450.5MB. Max. memory is 16.1GB. * TraceAbstraction took 6296.40ms. Allocated memory was 736.1MB in the beginning and 885.0MB in the end (delta: 148.9MB). Free memory was 379.6MB in the beginning and 368.7MB in the end (delta: 10.8MB). Peak memory consumption was 234.7MB. Max. memory is 16.1GB. * Witness Printer took 3.04ms. Allocated memory is still 885.0MB. Free memory was 368.7MB in the beginning and 367.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 312, overapproximation of bitwiseAnd at line 95, overapproximation of bitwiseComplement at line 289, overapproximation of bitwiseXor at line 338. 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 - 3); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L31] const SORT_69 mask_SORT_69 = (SORT_69)-1 >> (sizeof(SORT_69) * 8 - 32); [L32] const SORT_69 msb_SORT_69 = (SORT_69)1 << (32 - 1); [L34] const SORT_179 mask_SORT_179 = (SORT_179)-1 >> (sizeof(SORT_179) * 8 - 2); [L35] const SORT_179 msb_SORT_179 = (SORT_179)1 << (2 - 1); [L37] const SORT_69 var_71 = 1; [L38] const SORT_69 var_75 = 5; [L39] const SORT_69 var_80 = 4; [L40] const SORT_69 var_85 = 0; [L41] const SORT_1 var_145 = 1; [L42] const SORT_3 var_149 = 0; [L43] const SORT_3 var_157 = 1; [L44] const SORT_3 var_160 = 3; [L45] const SORT_3 var_163 = 2; [L46] const SORT_3 var_167 = 5; [L47] const SORT_3 var_170 = 7; [L48] const SORT_3 var_173 = 6; [L49] const SORT_3 var_177 = 4; [L50] const SORT_179 var_194 = 0; [L51] const SORT_179 var_196 = 1; [L52] const SORT_179 var_205 = 2; [L53] const SORT_179 var_211 = 3; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_3 input_220; [L59] SORT_3 input_221; [L60] SORT_3 input_222; [L61] SORT_3 input_285; [L62] SORT_3 input_286; [L63] SORT_3 input_329; [L64] SORT_3 input_330; [L65] SORT_3 input_373; [L66] SORT_3 input_374; [L67] SORT_3 input_417; [L68] SORT_3 input_418; [L69] SORT_3 input_461; [L70] SORT_3 input_462; [L71] SORT_3 input_505; [L72] SORT_3 input_506; [L73] SORT_3 input_549; [L74] SORT_3 input_550; [L76] SORT_3 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L77] SORT_3 state_7 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L78] SORT_3 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L79] SORT_3 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L80] SORT_3 state_15 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L81] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L82] SORT_3 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L83] SORT_3 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L84] SORT_3 state_150 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L85] SORT_3 state_155 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L87] SORT_3 init_151_arg_1 = var_149; [L88] state_150 = init_151_arg_1 [L89] SORT_3 init_156_arg_1 = var_149; [L90] state_155 = init_156_arg_1 VAL [init_151_arg_1=0, init_156_arg_1=0, mask_SORT_1=1, mask_SORT_179=3, mask_SORT_3=7, mask_SORT_69=4294967295, msb_SORT_1=1, msb_SORT_179=2, msb_SORT_3=4, msb_SORT_69=2147483648, state_12=254, state_15=2, state_150=0, state_155=0, state_18=255, state_21=0, state_24=254, state_6=255, state_7=255, state_9=254, var_145=1, var_149=0, var_157=1, var_160=3, var_163=2, var_167=5, var_170=7, var_173=6, var_177=4, var_194=0, var_196=1, var_205=2, var_211=3, var_71=1, var_75=5, var_80=4, var_85=0] [L93] input_2 = __VERIFIER_nondet_uchar() [L94] input_4 = __VERIFIER_nondet_uchar() [L95] input_4 = input_4 & mask_SORT_3 [L96] input_5 = __VERIFIER_nondet_uchar() [L97] input_5 = input_5 & mask_SORT_3 [L98] input_220 = __VERIFIER_nondet_uchar() [L99] input_221 = __VERIFIER_nondet_uchar() [L100] input_222 = __VERIFIER_nondet_uchar() [L101] input_285 = __VERIFIER_nondet_uchar() [L102] input_286 = __VERIFIER_nondet_uchar() [L103] input_329 = __VERIFIER_nondet_uchar() [L104] input_330 = __VERIFIER_nondet_uchar() [L105] input_373 = __VERIFIER_nondet_uchar() [L106] input_374 = __VERIFIER_nondet_uchar() [L107] input_417 = __VERIFIER_nondet_uchar() [L108] input_418 = __VERIFIER_nondet_uchar() [L109] input_461 = __VERIFIER_nondet_uchar() [L110] input_462 = __VERIFIER_nondet_uchar() [L111] input_505 = __VERIFIER_nondet_uchar() [L112] input_506 = __VERIFIER_nondet_uchar() [L113] input_549 = __VERIFIER_nondet_uchar() [L114] input_550 = __VERIFIER_nondet_uchar() [L117] SORT_3 var_8_arg_0 = state_6; [L118] SORT_3 var_8_arg_1 = state_7; [L119] SORT_1 var_8 = var_8_arg_0 != var_8_arg_1; [L120] SORT_3 var_10_arg_0 = state_6; [L121] SORT_3 var_10_arg_1 = state_9; [L122] SORT_1 var_10 = var_10_arg_0 != var_10_arg_1; [L123] SORT_1 var_11_arg_0 = var_8; [L124] SORT_1 var_11_arg_1 = var_10; [L125] SORT_1 var_11 = var_11_arg_0 & var_11_arg_1; [L126] SORT_3 var_13_arg_0 = state_6; [L127] SORT_3 var_13_arg_1 = state_12; [L128] SORT_1 var_13 = var_13_arg_0 != var_13_arg_1; [L129] SORT_1 var_14_arg_0 = var_11; [L130] SORT_1 var_14_arg_1 = var_13; [L131] SORT_1 var_14 = var_14_arg_0 & var_14_arg_1; [L132] SORT_3 var_16_arg_0 = state_6; [L133] SORT_3 var_16_arg_1 = state_15; [L134] SORT_1 var_16 = var_16_arg_0 != var_16_arg_1; [L135] SORT_1 var_17_arg_0 = var_14; [L136] SORT_1 var_17_arg_1 = var_16; [L137] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; [L138] SORT_3 var_19_arg_0 = state_6; [L139] SORT_3 var_19_arg_1 = state_18; [L140] SORT_1 var_19 = var_19_arg_0 != var_19_arg_1; [L141] SORT_1 var_20_arg_0 = var_17; [L142] SORT_1 var_20_arg_1 = var_19; [L143] SORT_1 var_20 = var_20_arg_0 & var_20_arg_1; [L144] SORT_3 var_22_arg_0 = state_6; [L145] SORT_3 var_22_arg_1 = state_21; [L146] SORT_1 var_22 = var_22_arg_0 != var_22_arg_1; [L147] SORT_1 var_23_arg_0 = var_20; [L148] SORT_1 var_23_arg_1 = var_22; [L149] SORT_1 var_23 = var_23_arg_0 & var_23_arg_1; [L150] SORT_3 var_25_arg_0 = state_6; [L151] SORT_3 var_25_arg_1 = state_24; [L152] SORT_1 var_25 = var_25_arg_0 != var_25_arg_1; [L153] SORT_1 var_26_arg_0 = var_23; [L154] SORT_1 var_26_arg_1 = var_25; [L155] SORT_1 var_26 = var_26_arg_0 & var_26_arg_1; [L156] SORT_3 var_27_arg_0 = state_7; [L157] SORT_3 var_27_arg_1 = state_9; [L158] SORT_1 var_27 = var_27_arg_0 != var_27_arg_1; [L159] SORT_1 var_28_arg_0 = var_26; [L160] SORT_1 var_28_arg_1 = var_27; [L161] SORT_1 var_28 = var_28_arg_0 & var_28_arg_1; [L162] SORT_3 var_29_arg_0 = state_7; [L163] SORT_3 var_29_arg_1 = state_12; [L164] SORT_1 var_29 = var_29_arg_0 != var_29_arg_1; [L165] SORT_1 var_30_arg_0 = var_28; [L166] SORT_1 var_30_arg_1 = var_29; [L167] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; [L168] SORT_3 var_31_arg_0 = state_7; [L169] SORT_3 var_31_arg_1 = state_15; [L170] SORT_1 var_31 = var_31_arg_0 != var_31_arg_1; [L171] SORT_1 var_32_arg_0 = var_30; [L172] SORT_1 var_32_arg_1 = var_31; [L173] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L174] SORT_3 var_33_arg_0 = state_7; [L175] SORT_3 var_33_arg_1 = state_18; [L176] SORT_1 var_33 = var_33_arg_0 != var_33_arg_1; [L177] SORT_1 var_34_arg_0 = var_32; [L178] SORT_1 var_34_arg_1 = var_33; [L179] SORT_1 var_34 = var_34_arg_0 & var_34_arg_1; [L180] SORT_3 var_35_arg_0 = state_7; [L181] SORT_3 var_35_arg_1 = state_21; [L182] SORT_1 var_35 = var_35_arg_0 != var_35_arg_1; [L183] SORT_1 var_36_arg_0 = var_34; [L184] SORT_1 var_36_arg_1 = var_35; [L185] SORT_1 var_36 = var_36_arg_0 & var_36_arg_1; [L186] SORT_3 var_37_arg_0 = state_7; [L187] SORT_3 var_37_arg_1 = state_24; [L188] SORT_1 var_37 = var_37_arg_0 != var_37_arg_1; [L189] SORT_1 var_38_arg_0 = var_36; [L190] SORT_1 var_38_arg_1 = var_37; [L191] SORT_1 var_38 = var_38_arg_0 & var_38_arg_1; [L192] SORT_3 var_39_arg_0 = state_9; [L193] SORT_3 var_39_arg_1 = state_12; [L194] SORT_1 var_39 = var_39_arg_0 != var_39_arg_1; [L195] SORT_1 var_40_arg_0 = var_38; [L196] SORT_1 var_40_arg_1 = var_39; [L197] SORT_1 var_40 = var_40_arg_0 & var_40_arg_1; [L198] SORT_3 var_41_arg_0 = state_9; [L199] SORT_3 var_41_arg_1 = state_15; [L200] SORT_1 var_41 = var_41_arg_0 != var_41_arg_1; [L201] SORT_1 var_42_arg_0 = var_40; [L202] SORT_1 var_42_arg_1 = var_41; [L203] SORT_1 var_42 = var_42_arg_0 & var_42_arg_1; [L204] SORT_3 var_43_arg_0 = state_9; [L205] SORT_3 var_43_arg_1 = state_18; [L206] SORT_1 var_43 = var_43_arg_0 != var_43_arg_1; [L207] SORT_1 var_44_arg_0 = var_42; [L208] SORT_1 var_44_arg_1 = var_43; [L209] SORT_1 var_44 = var_44_arg_0 & var_44_arg_1; [L210] SORT_3 var_45_arg_0 = state_9; [L211] SORT_3 var_45_arg_1 = state_21; [L212] SORT_1 var_45 = var_45_arg_0 != var_45_arg_1; [L213] SORT_1 var_46_arg_0 = var_44; [L214] SORT_1 var_46_arg_1 = var_45; [L215] SORT_1 var_46 = var_46_arg_0 & var_46_arg_1; [L216] SORT_3 var_47_arg_0 = state_9; [L217] SORT_3 var_47_arg_1 = state_24; [L218] SORT_1 var_47 = var_47_arg_0 != var_47_arg_1; [L219] SORT_1 var_48_arg_0 = var_46; [L220] SORT_1 var_48_arg_1 = var_47; [L221] SORT_1 var_48 = var_48_arg_0 & var_48_arg_1; [L222] SORT_3 var_49_arg_0 = state_12; [L223] SORT_3 var_49_arg_1 = state_15; [L224] SORT_1 var_49 = var_49_arg_0 != var_49_arg_1; [L225] SORT_1 var_50_arg_0 = var_48; [L226] SORT_1 var_50_arg_1 = var_49; [L227] SORT_1 var_50 = var_50_arg_0 & var_50_arg_1; [L228] SORT_3 var_51_arg_0 = state_12; [L229] SORT_3 var_51_arg_1 = state_18; [L230] SORT_1 var_51 = var_51_arg_0 != var_51_arg_1; [L231] SORT_1 var_52_arg_0 = var_50; [L232] SORT_1 var_52_arg_1 = var_51; [L233] SORT_1 var_52 = var_52_arg_0 & var_52_arg_1; [L234] SORT_3 var_53_arg_0 = state_12; [L235] SORT_3 var_53_arg_1 = state_21; [L236] SORT_1 var_53 = var_53_arg_0 != var_53_arg_1; [L237] SORT_1 var_54_arg_0 = var_52; [L238] SORT_1 var_54_arg_1 = var_53; [L239] SORT_1 var_54 = var_54_arg_0 & var_54_arg_1; [L240] SORT_3 var_55_arg_0 = state_12; [L241] SORT_3 var_55_arg_1 = state_24; [L242] SORT_1 var_55 = var_55_arg_0 != var_55_arg_1; [L243] SORT_1 var_56_arg_0 = var_54; [L244] SORT_1 var_56_arg_1 = var_55; [L245] SORT_1 var_56 = var_56_arg_0 & var_56_arg_1; [L246] SORT_3 var_57_arg_0 = state_15; [L247] SORT_3 var_57_arg_1 = state_18; [L248] SORT_1 var_57 = var_57_arg_0 != var_57_arg_1; [L249] SORT_1 var_58_arg_0 = var_56; [L250] SORT_1 var_58_arg_1 = var_57; [L251] SORT_1 var_58 = var_58_arg_0 & var_58_arg_1; [L252] SORT_3 var_59_arg_0 = state_15; [L253] SORT_3 var_59_arg_1 = state_21; [L254] SORT_1 var_59 = var_59_arg_0 != var_59_arg_1; [L255] SORT_1 var_60_arg_0 = var_58; [L256] SORT_1 var_60_arg_1 = var_59; [L257] SORT_1 var_60 = var_60_arg_0 & var_60_arg_1; [L258] SORT_3 var_61_arg_0 = state_15; [L259] SORT_3 var_61_arg_1 = state_24; [L260] SORT_1 var_61 = var_61_arg_0 != var_61_arg_1; [L261] SORT_1 var_62_arg_0 = var_60; [L262] SORT_1 var_62_arg_1 = var_61; [L263] SORT_1 var_62 = var_62_arg_0 & var_62_arg_1; [L264] SORT_3 var_63_arg_0 = state_18; [L265] SORT_3 var_63_arg_1 = state_21; [L266] SORT_1 var_63 = var_63_arg_0 != var_63_arg_1; [L267] SORT_1 var_64_arg_0 = var_62; [L268] SORT_1 var_64_arg_1 = var_63; [L269] SORT_1 var_64 = var_64_arg_0 & var_64_arg_1; [L270] SORT_3 var_65_arg_0 = state_18; [L271] SORT_3 var_65_arg_1 = state_24; [L272] SORT_1 var_65 = var_65_arg_0 != var_65_arg_1; [L273] SORT_1 var_66_arg_0 = var_64; [L274] SORT_1 var_66_arg_1 = var_65; [L275] SORT_1 var_66 = var_66_arg_0 & var_66_arg_1; [L276] SORT_3 var_67_arg_0 = state_21; [L277] SORT_3 var_67_arg_1 = state_24; [L278] SORT_1 var_67 = var_67_arg_0 != var_67_arg_1; [L279] SORT_1 var_68_arg_0 = var_66; [L280] SORT_1 var_68_arg_1 = var_67; [L281] SORT_1 var_68 = var_68_arg_0 & var_68_arg_1; [L282] SORT_1 var_70_arg_0 = var_68; [L283] var_70_arg_0 = var_70_arg_0 & mask_SORT_1 [L284] SORT_69 var_70 = var_70_arg_0; [L285] SORT_69 var_72_arg_0 = var_70; [L286] SORT_69 var_72_arg_1 = var_71; [L287] SORT_1 var_72 = var_72_arg_0 == var_72_arg_1; [L288] SORT_1 var_73_arg_0 = var_72; [L289] SORT_1 var_73 = ~var_73_arg_0; [L290] SORT_3 var_74_arg_0 = state_6; [L291] var_74_arg_0 = var_74_arg_0 & mask_SORT_3 [L292] SORT_69 var_74 = var_74_arg_0; [L293] SORT_69 var_76_arg_0 = var_74; [L294] SORT_69 var_76_arg_1 = var_75; [L295] SORT_69 var_76 = var_76_arg_0 & var_76_arg_1; [L296] var_76 = var_76 & mask_SORT_69 [L297] SORT_69 var_77_arg_0 = var_76; [L298] SORT_69 var_77_arg_1 = var_71; [L299] SORT_1 var_77 = var_77_arg_0 == var_77_arg_1; [L300] SORT_3 var_78_arg_0 = state_6; [L301] var_78_arg_0 = var_78_arg_0 & mask_SORT_3 [L302] SORT_69 var_78 = var_78_arg_0; [L303] SORT_69 var_79_arg_0 = var_78; [L304] SORT_69 var_79_arg_1 = var_75; [L305] SORT_69 var_79 = var_79_arg_0 & var_79_arg_1; [L306] var_79 = var_79 & mask_SORT_69 [L307] SORT_69 var_81_arg_0 = var_79; [L308] SORT_69 var_81_arg_1 = var_80; [L309] SORT_1 var_81 = var_81_arg_0 == var_81_arg_1; [L310] SORT_1 var_82_arg_0 = var_77; [L311] SORT_1 var_82_arg_1 = var_81; [L312] SORT_1 var_82 = var_82_arg_0 | var_82_arg_1; [L313] SORT_3 var_83_arg_0 = state_7; [L314] var_83_arg_0 = var_83_arg_0 & mask_SORT_3 [L315] SORT_69 var_83 = var_83_arg_0; [L316] SORT_69 var_84_arg_0 = var_83; [L317] SORT_69 var_84_arg_1 = var_75; [L318] SORT_69 var_84 = var_84_arg_0 & var_84_arg_1; [L319] var_84 = var_84 & mask_SORT_69 [L320] SORT_69 var_86_arg_0 = var_84; [L321] SORT_69 var_86_arg_1 = var_85; [L322] SORT_1 var_86 = var_86_arg_0 == var_86_arg_1; [L323] SORT_3 var_87_arg_0 = state_7; [L324] var_87_arg_0 = var_87_arg_0 & mask_SORT_3 [L325] SORT_69 var_87 = var_87_arg_0; [L326] SORT_69 var_88_arg_0 = var_87; [L327] SORT_69 var_88_arg_1 = var_75; [L328] SORT_69 var_88 = var_88_arg_0 & var_88_arg_1; [L329] var_88 = var_88 & mask_SORT_69 [L330] SORT_69 var_89_arg_0 = var_88; [L331] SORT_69 var_89_arg_1 = var_75; [L332] SORT_1 var_89 = var_89_arg_0 == var_89_arg_1; [L333] SORT_1 var_90_arg_0 = var_86; [L334] SORT_1 var_90_arg_1 = var_89; [L335] SORT_1 var_90 = var_90_arg_0 | var_90_arg_1; [L336] SORT_1 var_91_arg_0 = var_82; [L337] SORT_1 var_91_arg_1 = var_90; [L338] SORT_1 var_91 = var_91_arg_0 ^ var_91_arg_1; [L339] SORT_3 var_92_arg_0 = state_9; [L340] var_92_arg_0 = var_92_arg_0 & mask_SORT_3 [L341] SORT_69 var_92 = var_92_arg_0; [L342] SORT_69 var_93_arg_0 = var_92; [L343] SORT_69 var_93_arg_1 = var_75; [L344] SORT_69 var_93 = var_93_arg_0 & var_93_arg_1; [L345] var_93 = var_93 & mask_SORT_69 [L346] SORT_69 var_94_arg_0 = var_93; [L347] SORT_69 var_94_arg_1 = var_71; [L348] SORT_1 var_94 = var_94_arg_0 == var_94_arg_1; [L349] SORT_3 var_95_arg_0 = state_9; [L350] var_95_arg_0 = var_95_arg_0 & mask_SORT_3 [L351] SORT_69 var_95 = var_95_arg_0; [L352] SORT_69 var_96_arg_0 = var_95; [L353] SORT_69 var_96_arg_1 = var_75; [L354] SORT_69 var_96 = var_96_arg_0 & var_96_arg_1; [L355] var_96 = var_96 & mask_SORT_69 [L356] SORT_69 var_97_arg_0 = var_96; [L357] SORT_69 var_97_arg_1 = var_80; [L358] SORT_1 var_97 = var_97_arg_0 == var_97_arg_1; [L359] SORT_1 var_98_arg_0 = var_94; [L360] SORT_1 var_98_arg_1 = var_97; [L361] SORT_1 var_98 = var_98_arg_0 | var_98_arg_1; [L362] SORT_1 var_99_arg_0 = var_91; [L363] SORT_1 var_99_arg_1 = var_98; [L364] SORT_1 var_99 = var_99_arg_0 ^ var_99_arg_1; [L365] SORT_3 var_100_arg_0 = state_12; [L366] var_100_arg_0 = var_100_arg_0 & mask_SORT_3 [L367] SORT_69 var_100 = var_100_arg_0; [L368] SORT_69 var_101_arg_0 = var_100; [L369] SORT_69 var_101_arg_1 = var_75; [L370] SORT_69 var_101 = var_101_arg_0 & var_101_arg_1; [L371] var_101 = var_101 & mask_SORT_69 [L372] SORT_69 var_102_arg_0 = var_101; [L373] SORT_69 var_102_arg_1 = var_85; [L374] SORT_1 var_102 = var_102_arg_0 == var_102_arg_1; [L375] SORT_3 var_103_arg_0 = state_12; [L376] var_103_arg_0 = var_103_arg_0 & mask_SORT_3 [L377] SORT_69 var_103 = var_103_arg_0; [L378] SORT_69 var_104_arg_0 = var_103; [L379] SORT_69 var_104_arg_1 = var_75; [L380] SORT_69 var_104 = var_104_arg_0 & var_104_arg_1; [L381] var_104 = var_104 & mask_SORT_69 [L382] SORT_69 var_105_arg_0 = var_104; [L383] SORT_69 var_105_arg_1 = var_75; [L384] SORT_1 var_105 = var_105_arg_0 == var_105_arg_1; [L385] SORT_1 var_106_arg_0 = var_102; [L386] SORT_1 var_106_arg_1 = var_105; [L387] SORT_1 var_106 = var_106_arg_0 | var_106_arg_1; [L388] SORT_1 var_107_arg_0 = var_99; [L389] SORT_1 var_107_arg_1 = var_106; [L390] SORT_1 var_107 = var_107_arg_0 ^ var_107_arg_1; [L391] SORT_3 var_108_arg_0 = state_15; [L392] var_108_arg_0 = var_108_arg_0 & mask_SORT_3 [L393] SORT_69 var_108 = var_108_arg_0; [L394] SORT_69 var_109_arg_0 = var_108; [L395] SORT_69 var_109_arg_1 = var_75; [L396] SORT_69 var_109 = var_109_arg_0 & var_109_arg_1; [L397] var_109 = var_109 & mask_SORT_69 [L398] SORT_69 var_110_arg_0 = var_109; [L399] SORT_69 var_110_arg_1 = var_71; [L400] SORT_1 var_110 = var_110_arg_0 == var_110_arg_1; [L401] SORT_3 var_111_arg_0 = state_15; [L402] var_111_arg_0 = var_111_arg_0 & mask_SORT_3 [L403] SORT_69 var_111 = var_111_arg_0; [L404] SORT_69 var_112_arg_0 = var_111; [L405] SORT_69 var_112_arg_1 = var_75; [L406] SORT_69 var_112 = var_112_arg_0 & var_112_arg_1; [L407] var_112 = var_112 & mask_SORT_69 [L408] SORT_69 var_113_arg_0 = var_112; [L409] SORT_69 var_113_arg_1 = var_80; [L410] SORT_1 var_113 = var_113_arg_0 == var_113_arg_1; [L411] SORT_1 var_114_arg_0 = var_110; [L412] SORT_1 var_114_arg_1 = var_113; [L413] SORT_1 var_114 = var_114_arg_0 | var_114_arg_1; [L414] SORT_1 var_115_arg_0 = var_107; [L415] SORT_1 var_115_arg_1 = var_114; [L416] SORT_1 var_115 = var_115_arg_0 ^ var_115_arg_1; [L417] SORT_3 var_116_arg_0 = state_18; [L418] var_116_arg_0 = var_116_arg_0 & mask_SORT_3 [L419] SORT_69 var_116 = var_116_arg_0; [L420] SORT_69 var_117_arg_0 = var_116; [L421] SORT_69 var_117_arg_1 = var_75; [L422] SORT_69 var_117 = var_117_arg_0 & var_117_arg_1; [L423] var_117 = var_117 & mask_SORT_69 [L424] SORT_69 var_118_arg_0 = var_117; [L425] SORT_69 var_118_arg_1 = var_85; [L426] SORT_1 var_118 = var_118_arg_0 == var_118_arg_1; [L427] SORT_3 var_119_arg_0 = state_18; [L428] var_119_arg_0 = var_119_arg_0 & mask_SORT_3 [L429] SORT_69 var_119 = var_119_arg_0; [L430] SORT_69 var_120_arg_0 = var_119; [L431] SORT_69 var_120_arg_1 = var_75; [L432] SORT_69 var_120 = var_120_arg_0 & var_120_arg_1; [L433] var_120 = var_120 & mask_SORT_69 [L434] SORT_69 var_121_arg_0 = var_120; [L435] SORT_69 var_121_arg_1 = var_75; [L436] SORT_1 var_121 = var_121_arg_0 == var_121_arg_1; [L437] SORT_1 var_122_arg_0 = var_118; [L438] SORT_1 var_122_arg_1 = var_121; [L439] SORT_1 var_122 = var_122_arg_0 | var_122_arg_1; [L440] SORT_1 var_123_arg_0 = var_115; [L441] SORT_1 var_123_arg_1 = var_122; [L442] SORT_1 var_123 = var_123_arg_0 ^ var_123_arg_1; [L443] SORT_3 var_124_arg_0 = state_21; [L444] var_124_arg_0 = var_124_arg_0 & mask_SORT_3 [L445] SORT_69 var_124 = var_124_arg_0; [L446] SORT_69 var_125_arg_0 = var_124; [L447] SORT_69 var_125_arg_1 = var_75; [L448] SORT_69 var_125 = var_125_arg_0 & var_125_arg_1; [L449] var_125 = var_125 & mask_SORT_69 [L450] SORT_69 var_126_arg_0 = var_125; [L451] SORT_69 var_126_arg_1 = var_71; [L452] SORT_1 var_126 = var_126_arg_0 == var_126_arg_1; [L453] SORT_3 var_127_arg_0 = state_21; [L454] var_127_arg_0 = var_127_arg_0 & mask_SORT_3 [L455] SORT_69 var_127 = var_127_arg_0; [L456] SORT_69 var_128_arg_0 = var_127; [L457] SORT_69 var_128_arg_1 = var_75; [L458] SORT_69 var_128 = var_128_arg_0 & var_128_arg_1; [L459] var_128 = var_128 & mask_SORT_69 [L460] SORT_69 var_129_arg_0 = var_128; [L461] SORT_69 var_129_arg_1 = var_80; [L462] SORT_1 var_129 = var_129_arg_0 == var_129_arg_1; [L463] SORT_1 var_130_arg_0 = var_126; [L464] SORT_1 var_130_arg_1 = var_129; [L465] SORT_1 var_130 = var_130_arg_0 | var_130_arg_1; [L466] SORT_1 var_131_arg_0 = var_123; [L467] SORT_1 var_131_arg_1 = var_130; [L468] SORT_1 var_131 = var_131_arg_0 ^ var_131_arg_1; [L469] SORT_3 var_132_arg_0 = state_24; [L470] var_132_arg_0 = var_132_arg_0 & mask_SORT_3 [L471] SORT_69 var_132 = var_132_arg_0; [L472] SORT_69 var_133_arg_0 = var_132; [L473] SORT_69 var_133_arg_1 = var_75; [L474] SORT_69 var_133 = var_133_arg_0 & var_133_arg_1; [L475] var_133 = var_133 & mask_SORT_69 [L476] SORT_69 var_134_arg_0 = var_133; [L477] SORT_69 var_134_arg_1 = var_85; [L478] SORT_1 var_134 = var_134_arg_0 == var_134_arg_1; [L479] SORT_3 var_135_arg_0 = state_24; [L480] var_135_arg_0 = var_135_arg_0 & mask_SORT_3 [L481] SORT_69 var_135 = var_135_arg_0; [L482] SORT_69 var_136_arg_0 = var_135; [L483] SORT_69 var_136_arg_1 = var_75; [L484] SORT_69 var_136 = var_136_arg_0 & var_136_arg_1; [L485] var_136 = var_136 & mask_SORT_69 [L486] SORT_69 var_137_arg_0 = var_136; [L487] SORT_69 var_137_arg_1 = var_75; [L488] SORT_1 var_137 = var_137_arg_0 == var_137_arg_1; [L489] SORT_1 var_138_arg_0 = var_134; [L490] SORT_1 var_138_arg_1 = var_137; [L491] SORT_1 var_138 = var_138_arg_0 | var_138_arg_1; [L492] SORT_1 var_139_arg_0 = var_131; [L493] SORT_1 var_139_arg_1 = var_138; [L494] SORT_1 var_139 = var_139_arg_0 ^ var_139_arg_1; [L495] SORT_1 var_140_arg_0 = var_139; [L496] var_140_arg_0 = var_140_arg_0 & mask_SORT_1 [L497] SORT_69 var_140 = var_140_arg_0; [L498] SORT_69 var_141_arg_0 = var_140; [L499] SORT_69 var_141_arg_1 = var_85; [L500] SORT_1 var_141 = var_141_arg_0 == var_141_arg_1; [L501] SORT_1 var_142_arg_0 = var_73; [L502] SORT_1 var_142_arg_1 = var_141; [L503] SORT_1 var_142 = var_142_arg_0 | var_142_arg_1; [L504] SORT_1 var_146_arg_0 = var_142; [L505] SORT_1 var_146 = ~var_146_arg_0; [L506] SORT_1 var_147_arg_0 = var_145; [L507] SORT_1 var_147_arg_1 = var_146; [L508] SORT_1 var_147 = var_147_arg_0 & var_147_arg_1; [L509] var_147 = var_147 & mask_SORT_1 [L510] SORT_1 bad_148_arg_0 = var_147; [L511] CALL __VERIFIER_assert(!(bad_148_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: 6.2s, 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, 4.0s 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 [2022-12-13 17:56:44,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8 --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 c091370a864b8105d5bcd2be2d0679be54be2c162b245e6a5ac109fba89fc497 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:56:46,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:56:46,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:56:46,439 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:56:46,439 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:56:46,440 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:56:46,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:56:46,442 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:56:46,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:56:46,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:56:46,444 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:56:46,445 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:56:46,446 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:56:46,446 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:56:46,447 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:56:46,448 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:56:46,448 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:56:46,449 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:56:46,450 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:56:46,451 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:56:46,453 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:56:46,453 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:56:46,454 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:56:46,455 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:56:46,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:56:46,458 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:56:46,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:56:46,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:56:46,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:56:46,459 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:56:46,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:56:46,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:56:46,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:56:46,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:56:46,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:56:46,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:56:46,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:56:46,463 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:56:46,463 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:56:46,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:56:46,464 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:56:46,465 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 17:56:46,488 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:56:46,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:56:46,489 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:56:46,489 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:56:46,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 17:56:46,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 17:56:46,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:56:46,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:56:46,491 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:56:46,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:56:46,491 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 17:56:46,492 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 17:56:46,493 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 17:56:46,493 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:56:46,493 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 17:56:46,494 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 17:56:46,495 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 17:56:46,495 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 17:56:46,495 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c091370a864b8105d5bcd2be2d0679be54be2c162b245e6a5ac109fba89fc497 [2022-12-13 17:56:46,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:56:46,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:56:46,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:56:46,751 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:56:46,752 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:56:46,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:56:49,332 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:56:49,605 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:56:49,606 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:56:49,618 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/1d527e576/35f8668057cb412d9c66bfc340c85575/FLAG474f1e1bb [2022-12-13 17:56:49,892 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/data/1d527e576/35f8668057cb412d9c66bfc340c85575 [2022-12-13 17:56:49,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:56:49,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:56:49,897 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:56:49,897 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:56:49,901 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:56:49,901 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:56:49" (1/1) ... [2022-12-13 17:56:49,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7220b3b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:49, skipping insertion in model container [2022-12-13 17:56:49,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:56:49" (1/1) ... [2022-12-13 17:56:49,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:56:49,963 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:56:50,097 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1107,1120] [2022-12-13 17:56:50,304 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:56:50,308 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:56:50,316 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_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_FourbyFour.c[1107,1120] [2022-12-13 17:56:50,412 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:56:50,424 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:56:50,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50 WrapperNode [2022-12-13 17:56:50,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:56:50,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:56:50,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:56:50,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:56:50,433 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,517 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1946 [2022-12-13 17:56:50,517 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:56:50,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:56:50,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:56:50,518 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:56:50,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,531 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,531 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,560 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,565 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:56:50,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:56:50,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:56:50,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:56:50,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (1/1) ... [2022-12-13 17:56:50,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 17:56:50,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:56:50,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 17:56:50,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 17:56:50,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:56:50,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:56:50,938 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:56:50,939 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:56:52,722 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:56:52,728 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:56:52,728 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 17:56:52,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:52 BoogieIcfgContainer [2022-12-13 17:56:52,729 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:56:52,731 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 17:56:52,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 17:56:52,733 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 17:56:52,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 05:56:49" (1/3) ... [2022-12-13 17:56:52,734 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43381c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:56:52, skipping insertion in model container [2022-12-13 17:56:52,734 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:56:50" (2/3) ... [2022-12-13 17:56:52,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@43381c8d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 05:56:52, skipping insertion in model container [2022-12-13 17:56:52,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:56:52" (3/3) ... [2022-12-13 17:56:52,736 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_FourbyFour.c [2022-12-13 17:56:52,749 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 17:56:52,749 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 17:56:52,783 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 17:56:52,788 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;@6de93dde, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 17:56:52,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 17:56:52,791 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:56:52,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 17:56:52,795 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:56:52,796 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 17:56:52,796 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:56:52,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:56:52,800 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 17:56:52,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:56:52,810 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1351400116] [2022-12-13 17:56:52,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:56:52,810 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:56:52,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:56:52,811 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:56:52,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-12-13 17:56:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:56:54,216 WARN L261 TraceCheckSpWp]: Trace formula consists of 423 conjuncts, 376 conjunts are in the unsatisfiable core [2022-12-13 17:56:54,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:57:27,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:57:27,835 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 17:57:27,836 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 17:57:27,836 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1351400116] [2022-12-13 17:57:27,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1351400116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:57:27,837 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:57:27,837 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 17:57:27,838 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728832377] [2022-12-13 17:57:27,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:57:27,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 17:57:27,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 17:57:27,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 17:57:27,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 17:57:27,863 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:57:30,070 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2022-12-13 17:57:30,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:57:30,125 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 17:57:30,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:57:30,128 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-13 17:57:30,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 17:57:30,134 INFO L225 Difference]: With dead ends: 20 [2022-12-13 17:57:30,134 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 17:57:30,136 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:57:30,139 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-12-13 17:57:30,140 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-12-13 17:57:30,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 17:57:30,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 17:57:30,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:57:30,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 17:57:30,164 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 17:57:30,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 17:57:30,165 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 17:57:30,165 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:57:30,165 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 17:57:30,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 17:57:30,165 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 17:57:30,166 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 17:57:30,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:57:30,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:57:30,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 17:57:30,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:57:30,370 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 17:57:30,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 17:57:30,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1850724098] [2022-12-13 17:57:30,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:57:30,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-12-13 17:57:30,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 17:57:30,381 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-12-13 17:57:30,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b8941cd-cdc7-4a54-8d08-1b817dc6cfb2/bin/uautomizer-uyxdKDjOR8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-12-13 17:57:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:57:33,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 2144 conjuncts, 392 conjunts are in the unsatisfiable core [2022-12-13 17:57:33,093 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:58:09,331 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:58:09,331 INFO L328 TraceCheckSpWp]: Computing backward predicates...