./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b 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_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN --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 acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc --- 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-6b4ec56 [2022-11-20 10:33:23,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:33:23,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:33:23,685 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:33:23,685 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:33:23,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:33:23,690 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:33:23,692 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:33:23,693 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:33:23,694 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:33:23,695 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:33:23,696 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:33:23,697 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:33:23,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:33:23,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:33:23,710 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:33:23,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:33:23,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:33:23,719 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:33:23,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:33:23,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:33:23,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:33:23,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:33:23,730 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:33:23,736 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:33:23,737 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:33:23,737 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:33:23,738 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:33:23,738 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:33:23,739 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:33:23,739 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:33:23,740 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:33:23,741 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:33:23,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:33:23,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:33:23,742 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:33:23,743 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:33:23,743 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:33:23,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:33:23,745 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:33:23,745 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:33:23,753 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:33:23,791 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:33:23,791 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:33:23,792 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:33:23,792 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:33:23,792 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:33:23,793 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:33:23,793 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:33:23,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:33:23,794 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:33:23,794 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:33:23,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:33:23,794 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:33:23,794 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:33:23,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:33:23,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:33:23,795 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:33:23,795 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:33:23,795 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:33:23,795 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:33:23,796 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:33:23,796 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:33:23,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:33:23,796 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:33:23,796 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:33:23,797 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc [2022-11-20 10:33:24,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:33:24,092 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:33:24,095 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:33:24,098 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:33:24,099 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:33:24,100 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-20 10:33:27,333 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:33:27,522 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:33:27,522 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-20 10:33:27,530 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/19c5c9cfb/53907e5a425b467a867861ac0a72ca9f/FLAG1b18acad4 [2022-11-20 10:33:27,544 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/19c5c9cfb/53907e5a425b467a867861ac0a72ca9f [2022-11-20 10:33:27,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:33:27,549 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:33:27,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:33:27,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:33:27,554 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:33:27,555 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,556 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cd9cd6c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27, skipping insertion in model container [2022-11-20 10:33:27,557 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:33:27,587 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:33:27,728 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_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-20 10:33:27,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:33:27,793 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:33:27,804 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_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-20 10:33:27,869 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:33:27,881 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:33:27,882 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27 WrapperNode [2022-11-20 10:33:27,882 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:33:27,883 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:33:27,883 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:33:27,884 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:33:27,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,948 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2022-11-20 10:33:27,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:33:27,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:33:27,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:33:27,958 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:33:27,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:27,979 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,002 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,015 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,016 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:33:28,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:33:28,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:33:28,021 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:33:28,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (1/1) ... [2022-11-20 10:33:28,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:33:28,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:33:28,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:33:28,060 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:33:28,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:33:28,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:33:28,196 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:33:28,198 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:33:28,791 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:33:28,797 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:33:28,798 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:33:28,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:28 BoogieIcfgContainer [2022-11-20 10:33:28,800 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:33:28,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:33:28,809 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:33:28,813 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:33:28,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:33:27" (1/3) ... [2022-11-20 10:33:28,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f49ec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:28, skipping insertion in model container [2022-11-20 10:33:28,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:27" (2/3) ... [2022-11-20 10:33:28,815 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f49ec3f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:28, skipping insertion in model container [2022-11-20 10:33:28,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:28" (3/3) ... [2022-11-20 10:33:28,816 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal51.c [2022-11-20 10:33:28,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:33:28,844 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:33:28,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:33:28,912 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;@1ebd2145, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:33:28,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:33:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:28,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:33:28,925 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:28,926 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:33:28,928 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:28,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:28,937 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 10:33:28,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:33:28,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129760382] [2022-11-20 10:33:28,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:28,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:33:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:33:29,334 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:33:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:33:29,549 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:33:29,552 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:33:29,553 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:33:29,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:33:29,560 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 10:33:29,564 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:33:29,590 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 10:33:29,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:33:29 BoogieIcfgContainer [2022-11-20 10:33:29,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:33:29,598 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:33:29,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:33:29,599 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:33:29,599 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:28" (3/4) ... [2022-11-20 10:33:29,602 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:33:29,603 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:33:29,604 INFO L158 Benchmark]: Toolchain (without parser) took 2054.83ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 92.1MB in the beginning and 125.9MB in the end (delta: -33.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:33:29,604 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:33:29,605 INFO L158 Benchmark]: CACSL2BoogieTranslator took 331.99ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 78.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:33:29,606 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.26ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 75.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:33:29,606 INFO L158 Benchmark]: Boogie Preprocessor took 61.47ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:33:29,607 INFO L158 Benchmark]: RCFGBuilder took 779.70ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 73.7MB in the beginning and 100.9MB in the end (delta: -27.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 10:33:29,608 INFO L158 Benchmark]: TraceAbstraction took 795.93ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 125.9MB in the end (delta: -25.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. [2022-11-20 10:33:29,608 INFO L158 Benchmark]: Witness Printer took 4.76ms. Allocated memory is still 163.6MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:33:29,611 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 94.4MB. Free memory was 46.7MB in the beginning and 46.6MB in the end (delta: 117.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 331.99ms. Allocated memory is still 136.3MB. Free memory was 91.7MB in the beginning and 78.3MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.26ms. Allocated memory is still 136.3MB. Free memory was 78.3MB in the beginning and 75.3MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.47ms. Allocated memory is still 136.3MB. Free memory was 75.3MB in the beginning and 73.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 779.70ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 73.7MB in the beginning and 100.9MB in the end (delta: -27.2MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. * TraceAbstraction took 795.93ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 125.9MB in the end (delta: -25.0MB). Peak memory consumption was 41.0MB. Max. memory is 16.1GB. * Witness Printer took 4.76ms. Allocated memory is still 163.6MB. Free memory is still 125.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 77, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 65. 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_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L31] const SORT_27 mask_SORT_27 = (SORT_27)-1 >> (sizeof(SORT_27) * 8 - 2); [L32] const SORT_27 msb_SORT_27 = (SORT_27)1 << (2 - 1); [L34] const SORT_1 var_11 = 0; [L35] const SORT_5 var_15 = 0; [L36] const SORT_5 var_21 = 2; [L37] const SORT_5 var_24 = 1; [L38] const SORT_1 var_41 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L46] SORT_5 input_9; [L47] SORT_5 input_10; [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 init_13_arg_1 = var_11; [L55] state_12 = init_13_arg_1 [L56] SORT_5 init_17_arg_1 = var_15; [L57] state_16 = init_17_arg_1 [L58] SORT_1 init_19_arg_1 = var_11; [L59] state_18 = init_19_arg_1 [L60] SORT_5 init_31_arg_1 = var_15; [L61] state_30 = init_31_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_31_arg_1=0, mask_SORT_1=1, mask_SORT_27=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_27=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_30=0, var_11=0, var_15=0, var_21=2, var_24=1, var_41=1] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_2 = input_2 & mask_SORT_1 [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_3 = input_3 & mask_SORT_1 [L68] input_4 = __VERIFIER_nondet_uchar() [L69] input_6 = __VERIFIER_nondet_uchar() [L70] input_7 = __VERIFIER_nondet_uchar() [L71] input_8 = __VERIFIER_nondet_uchar() [L72] input_9 = __VERIFIER_nondet_uchar() [L73] input_10 = __VERIFIER_nondet_uchar() [L76] SORT_1 var_14_arg_0 = state_12; [L77] SORT_1 var_14 = ~var_14_arg_0; [L78] SORT_1 var_20_arg_0 = state_18; [L79] SORT_5 var_20_arg_1 = state_16; [L80] SORT_5 var_20_arg_2 = input_7; [L81] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; [L82] var_20 = var_20 & mask_SORT_5 [L83] SORT_5 var_25_arg_0 = var_20; [L84] SORT_5 var_25_arg_1 = var_24; [L85] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L86] SORT_1 var_26_arg_0 = var_25; [L87] SORT_1 var_26 = ~var_26_arg_0; [L88] SORT_5 var_22_arg_0 = var_20; [L89] SORT_5 var_22_arg_1 = var_21; [L90] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L91] SORT_1 var_23_arg_0 = var_22; [L92] SORT_1 var_23 = ~var_23_arg_0; [L93] var_23 = var_23 & mask_SORT_1 [L94] SORT_1 var_28_arg_0 = var_26; [L95] SORT_1 var_28_arg_1 = var_23; [L96] SORT_27 var_28 = ((SORT_27)var_28_arg_0 << 1) | var_28_arg_1; [L97] var_28 = var_28 & mask_SORT_27 [L98] SORT_27 var_29_arg_0 = var_28; [L99] SORT_1 var_29 = var_29_arg_0 == mask_SORT_27; [L100] SORT_1 var_32_arg_0 = state_18; [L101] SORT_5 var_32_arg_1 = state_30; [L102] SORT_5 var_32_arg_2 = input_7; [L103] SORT_5 var_32 = var_32_arg_0 ? var_32_arg_1 : var_32_arg_2; [L104] var_32 = var_32 & mask_SORT_5 [L105] SORT_5 var_33_arg_0 = var_32; [L106] SORT_5 var_33_arg_1 = var_21; [L107] SORT_1 var_33 = var_33_arg_0 == var_33_arg_1; [L108] SORT_1 var_34_arg_0 = var_33; [L109] SORT_1 var_34 = ~var_34_arg_0; [L110] var_34 = var_34 & mask_SORT_1 [L111] SORT_1 var_35_arg_0 = var_26; [L112] SORT_1 var_35_arg_1 = var_34; [L113] SORT_27 var_35 = ((SORT_27)var_35_arg_0 << 1) | var_35_arg_1; [L114] var_35 = var_35 & mask_SORT_27 [L115] SORT_27 var_36_arg_0 = var_35; [L116] SORT_1 var_36 = var_36_arg_0 == mask_SORT_27; [L117] SORT_1 var_37_arg_0 = var_29; [L118] SORT_1 var_37_arg_1 = var_36; [L119] SORT_1 var_37 = var_37_arg_0 == var_37_arg_1; [L120] SORT_1 var_38_arg_0 = var_14; [L121] SORT_1 var_38_arg_1 = var_37; [L122] SORT_1 var_38 = var_38_arg_0 | var_38_arg_1; [L123] SORT_1 var_42_arg_0 = var_38; [L124] SORT_1 var_42 = ~var_42_arg_0; [L125] SORT_1 var_43_arg_0 = var_41; [L126] SORT_1 var_43_arg_1 = var_42; [L127] SORT_1 var_43 = var_43_arg_0 & var_43_arg_1; [L128] var_43 = var_43 & mask_SORT_1 [L129] SORT_1 bad_44_arg_0 = var_43; [L130] CALL __VERIFIER_assert(!(bad_44_arg_0)) [L20] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L20] reach_error() VAL [\old(cond)=0, cond=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-20 10:33:29,638 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/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_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN --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 acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc --- 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-6b4ec56 [2022-11-20 10:33:32,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:33:32,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:33:32,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:33:32,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:33:32,075 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:33:32,077 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:33:32,079 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:33:32,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:33:32,081 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:33:32,086 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:33:32,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:33:32,092 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:33:32,098 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:33:32,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:33:32,106 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:33:32,107 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:33:32,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:33:32,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:33:32,111 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:33:32,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:33:32,119 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:33:32,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:33:32,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:33:32,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:33:32,131 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:33:32,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:33:32,133 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:33:32,133 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:33:32,134 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:33:32,134 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:33:32,135 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:33:32,136 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:33:32,136 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:33:32,165 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:33:32,165 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:33:32,167 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:33:32,167 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:33:32,167 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:33:32,168 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:33:32,169 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:33:32,170 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:33:32,208 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:33:32,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:33:32,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:33:32,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:33:32,210 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:33:32,211 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:33:32,211 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:33:32,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:33:32,212 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:33:32,212 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:33:32,213 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:33:32,213 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:33:32,214 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:33:32,214 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:33:32,214 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:33:32,214 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:33:32,214 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:33:32,215 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:33:32,215 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:33:32,215 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:33:32,215 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:33:32,216 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:33:32,216 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:33:32,216 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:33:32,216 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:33:32,217 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:33:32,217 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:33:32,217 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:33:32,217 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:33:32,218 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:33:32,218 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:33:32,218 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:33:32,219 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:33:32,219 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> acd2617a3edb91b922a4870120767d3ac0938743fb410499403adcdf871f8fcc [2022-11-20 10:33:32,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:33:32,635 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:33:32,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:33:32,641 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:33:32,641 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:33:32,643 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-20 10:33:36,015 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:33:36,275 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:33:36,276 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c [2022-11-20 10:33:36,285 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/69cefe49a/247e493a4716440f957c0a9fce74b0f3/FLAGd9a25ed1c [2022-11-20 10:33:36,299 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/data/69cefe49a/247e493a4716440f957c0a9fce74b0f3 [2022-11-20 10:33:36,302 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:33:36,303 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:33:36,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:33:36,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:33:36,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:33:36,330 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,331 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a8c4eca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36, skipping insertion in model container [2022-11-20 10:33:36,332 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:33:36,361 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:33:36,494 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_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-20 10:33:36,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:33:36,566 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:33:36,576 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_e7779563-9076-4fe5-b910-a7fd02d0897b/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal51.c[1107,1120] [2022-11-20 10:33:36,617 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:33:36,644 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:33:36,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36 WrapperNode [2022-11-20 10:33:36,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:33:36,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:33:36,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:33:36,647 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:33:36,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,669 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,715 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 184 [2022-11-20 10:33:36,715 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:33:36,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:33:36,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:33:36,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:33:36,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,741 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,771 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,772 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,782 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:33:36,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:33:36,786 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:33:36,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:33:36,787 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (1/1) ... [2022-11-20 10:33:36,797 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:33:36,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:33:36,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:33:36,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:33:36,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:33:36,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:33:36,969 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:33:36,971 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:33:37,216 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:33:37,223 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:33:37,224 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:33:37,226 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:37 BoogieIcfgContainer [2022-11-20 10:33:37,226 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:33:37,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:33:37,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:33:37,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:33:37,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:33:36" (1/3) ... [2022-11-20 10:33:37,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5771da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:37, skipping insertion in model container [2022-11-20 10:33:37,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:33:36" (2/3) ... [2022-11-20 10:33:37,234 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5771da53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:33:37, skipping insertion in model container [2022-11-20 10:33:37,234 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:37" (3/3) ... [2022-11-20 10:33:37,235 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal51.c [2022-11-20 10:33:37,254 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:33:37,254 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:33:37,303 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:33:37,309 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;@7f2bcee1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:33:37,310 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:33:37,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:37,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:33:37,319 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:37,320 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:33:37,321 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:37,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 10:33:37,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:37,348 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [275921170] [2022-11-20 10:33:37,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:37,352 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:37,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:37,386 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:37,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-20 10:33:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:37,603 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-20 10:33:37,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:37,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:33:37,804 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:33:37,805 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:37,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [275921170] [2022-11-20 10:33:37,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [275921170] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:33:37,806 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:33:37,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:33:37,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061955943] [2022-11-20 10:33:37,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:33:37,813 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:33:37,814 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:37,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:33:37,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:33:37,846 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:37,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:37,908 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 10:33:37,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:33:37,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-20 10:33:37,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:37,918 INFO L225 Difference]: With dead ends: 20 [2022-11-20 10:33:37,919 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 10:33:37,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:33:37,925 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:37,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 10:33:37,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 10:33:37,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 10:33:37,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:37,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 10:33:37,957 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 10:33:37,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:37,958 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 10:33:37,958 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:37,959 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 10:33:37,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 10:33:37,959 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:37,959 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 10:33:37,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2022-11-20 10:33:38,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:38,171 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:38,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:38,172 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 10:33:38,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:38,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [640801605] [2022-11-20 10:33:38,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:33:38,175 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:38,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:38,177 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:38,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-20 10:33:38,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:33:38,374 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 53 conjunts are in the unsatisfiable core [2022-11-20 10:33:38,380 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:33:39,072 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:33:41,775 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:33:41,775 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:33:41,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [640801605] [2022-11-20 10:33:41,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [640801605] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:33:41,777 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:33:41,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 10:33:41,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221665106] [2022-11-20 10:33:41,781 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:33:41,783 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:33:41,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:33:41,784 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:33:41,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:33:41,785 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:41,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:33:41,887 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 10:33:41,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:33:41,889 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-20 10:33:41,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:33:41,889 INFO L225 Difference]: With dead ends: 16 [2022-11-20 10:33:41,889 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 10:33:41,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:33:41,891 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:33:41,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 10 Unchecked, 0.1s Time] [2022-11-20 10:33:41,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 10:33:41,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 10:33:41,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:41,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 10:33:41,896 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 10:33:41,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:33:41,896 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 10:33:41,896 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:33:41,897 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 10:33:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:33:41,897 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:33:41,897 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 10:33:41,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:33:42,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:42,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:33:42,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:33:42,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 10:33:42,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:33:42,101 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348977776] [2022-11-20 10:33:42,101 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:33:42,101 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:33:42,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:33:42,103 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:33:42,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-20 10:33:42,298 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:33:42,298 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:33:42,307 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 116 conjunts are in the unsatisfiable core [2022-11-20 10:33:42,313 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:33:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:33:44,243 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:34:03,291 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:34:03,291 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:03,291 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348977776] [2022-11-20 10:34:03,292 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348977776] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:34:03,292 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:34:03,292 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-20 10:34:03,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244004088] [2022-11-20 10:34:03,292 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:34:03,293 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-20 10:34:03,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:03,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-20 10:34:03,294 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-20 10:34:03,294 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:03,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:03,511 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-20 10:34:03,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-20 10:34:03,513 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 10:34:03,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:03,514 INFO L225 Difference]: With dead ends: 19 [2022-11-20 10:34:03,514 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 10:34:03,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-20 10:34:03,516 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:03,516 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 31 Unchecked, 0.1s Time] [2022-11-20 10:34:03,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 10:34:03,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-20 10:34:03,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:03,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 10:34:03,521 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-20 10:34:03,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:03,521 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 10:34:03,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:03,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-20 10:34:03,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:34:03,524 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:34:03,525 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-20 10:34:03,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:34:03,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:03,726 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:34:03,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:34:03,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-20 10:34:03,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:34:03,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [330428762] [2022-11-20 10:34:03,728 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:34:03,728 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:03,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:34:03,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-20 10:34:03,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-20 10:34:03,898 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 10:34:03,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:34:03,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 151 conjunts are in the unsatisfiable core [2022-11-20 10:34:03,913 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:34:08,611 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:34:08,612 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:34:45,497 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:34:45,497 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:34:45,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [330428762] [2022-11-20 10:34:45,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [330428762] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:34:45,498 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:34:45,498 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 10:34:45,499 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [413854310] [2022-11-20 10:34:45,499 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:34:45,499 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 10:34:45,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:34:45,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 10:34:45,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-20 10:34:45,503 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:46,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:34:46,320 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-20 10:34:46,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:34:46,320 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 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 14 [2022-11-20 10:34:46,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:34:46,321 INFO L225 Difference]: With dead ends: 15 [2022-11-20 10:34:46,321 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:34:46,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-11-20 10:34:46,323 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:34:46,324 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-11-20 10:34:46,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:34:46,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:34:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:46,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:34:46,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-20 10:34:46,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:34:46,326 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:34:46,326 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:34:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:34:46,327 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:34:46,329 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:34:46,347 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2022-11-20 10:34:46,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-20 10:34:46,544 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:34:46,860 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:34:46,861 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 196) the Hoare annotation is: (let ((.cse13 (= |ULTIMATE.start_main_~var_41~0#1| |ULTIMATE.start_main_~state_12~0#1|)) (.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~mask_SORT_27~0#1| (_ bv3 8))) (.cse8 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse9 (= (_ bv1 8) |ULTIMATE.start_main_~var_41~0#1|)) (.cse10 (= (_ bv1 8) |ULTIMATE.start_main_~var_24~0#1|)) (.cse11 (= (_ bv2 8) |ULTIMATE.start_main_~var_21~0#1|)) (.cse12 (= |ULTIMATE.start_main_~var_15~0#1| (_ bv0 8))) (.cse14 (= |ULTIMATE.start_main_~var_11~0#1| (_ bv0 8)))) (or (and .cse0 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) .cse1 (let ((.cse3 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))) (or (exists ((|ULTIMATE.start_main_~var_46_arg_1~0#1| (_ BitVec 8))) (let ((.cse2 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_46_arg_1~0#1|)))))))))))) (and (= .cse2 |ULTIMATE.start_main_~state_16~0#1|) (= .cse2 |ULTIMATE.start_main_~state_30~0#1|)))) (and (exists ((|ULTIMATE.start_main_~var_32_arg_2~0#1| (_ BitVec 8))) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_32_arg_2~0#1|))) .cse3)))))))) |ULTIMATE.start_main_~state_30~0#1|)) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse4))))) |ULTIMATE.start_main_~state_16~0#1|) (= ((_ zero_extend 24) |ULTIMATE.start_main_~var_24~0#1|) .cse4))))) (let ((.cse6 ((_ zero_extend 24) |ULTIMATE.start_main_~var_21~0#1|))) (and (exists ((|ULTIMATE.start_main_~var_32_arg_2~0#1| (_ BitVec 8))) (let ((.cse5 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_32_arg_2~0#1|))) .cse3))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse5))))) |ULTIMATE.start_main_~state_30~0#1|) (not (= .cse5 .cse6))))) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (not (= .cse6 .cse7)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse7))))) |ULTIMATE.start_main_~state_16~0#1|)))))))) .cse8 .cse9 .cse10 (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) |ULTIMATE.start_main_~state_18~0#1|) .cse11 .cse12 .cse13 .cse14) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse8 .cse9 (= (_ bv0 8) |ULTIMATE.start_main_~state_18~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14) (and .cse0 .cse1 .cse8 .cse9 (= |ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~state_12~0#1|) .cse10 .cse11 .cse12 .cse14))) [2022-11-20 10:34:46,862 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 196) no Hoare annotation was computed. [2022-11-20 10:34:46,862 INFO L895 garLoopResultBuilder]: At program point L197(lines 22 198) the Hoare annotation is: false [2022-11-20 10:34:46,862 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:34:46,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:34:46,862 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:34:46,863 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 10:34:46,863 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 10:34:46,863 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-20 10:34:46,863 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-20 10:34:46,867 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-20 10:34:46,869 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:34:46,880 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,881 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,882 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,883 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,892 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,892 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,892 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,893 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,893 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,893 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,893 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,894 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,894 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:34:46 BoogieIcfgContainer [2022-11-20 10:34:46,898 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:34:46,898 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:34:46,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:34:46,899 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:34:46,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:33:37" (3/4) ... [2022-11-20 10:34:46,903 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:34:46,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:34:46,914 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:34:46,915 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:34:46,940 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && mask_SORT_27 == 3bv8) && (((\exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_30) || ((\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0])[7:0])[7:0])[7:0] == state_30) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_24) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])))) || ((\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0])[7:0])[7:0])[7:0] == state_30 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 1bv8 == var_24) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) || ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 0bv8 == state_18) && 1bv8 == var_24) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8)) || ((((((((1bv8 == mask_SORT_1 && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && var_11 == state_12) && 1bv8 == var_24) && 2bv8 == var_21) && var_15 == 0bv8) && var_11 == 0bv8) [2022-11-20 10:34:46,963 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:34:46,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:34:46,964 INFO L158 Benchmark]: Toolchain (without parser) took 70661.21ms. Allocated memory was 83.9MB in the beginning and 352.3MB in the end (delta: 268.4MB). Free memory was 40.2MB in the beginning and 156.0MB in the end (delta: -115.8MB). Peak memory consumption was 155.6MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,964 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:34:46,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.84ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 51.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.17ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,965 INFO L158 Benchmark]: Boogie Preprocessor took 69.32ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,966 INFO L158 Benchmark]: RCFGBuilder took 440.59ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 54.1MB in the end (delta: -6.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,966 INFO L158 Benchmark]: TraceAbstraction took 69669.14ms. Allocated memory was 83.9MB in the beginning and 352.3MB in the end (delta: 268.4MB). Free memory was 53.5MB in the beginning and 160.2MB in the end (delta: -106.8MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,967 INFO L158 Benchmark]: Witness Printer took 65.24ms. Allocated memory is still 352.3MB. Free memory was 160.2MB in the beginning and 156.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:34:46,968 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 83.9MB. Free memory is still 61.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.84ms. Allocated memory is still 83.9MB. Free memory was 65.2MB in the beginning and 51.8MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.17ms. Allocated memory is still 83.9MB. Free memory was 51.8MB in the beginning and 49.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 69.32ms. Allocated memory is still 83.9MB. Free memory was 49.3MB in the beginning and 47.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 440.59ms. Allocated memory is still 83.9MB. Free memory was 47.7MB in the beginning and 54.1MB in the end (delta: -6.4MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * TraceAbstraction took 69669.14ms. Allocated memory was 83.9MB in the beginning and 352.3MB in the end (delta: 268.4MB). Free memory was 53.5MB in the beginning and 160.2MB in the end (delta: -106.8MB). Peak memory consumption was 161.9MB. Max. memory is 16.1GB. * Witness Printer took 65.24ms. Allocated memory is still 352.3MB. Free memory was 160.2MB in the beginning and 156.0MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 69.6s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 65 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 243 HoareAnnotationTreeSize, 2 FomulaSimplifications, 178 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 66.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 27 QuantifiedInterpolants, 12427 SizeOfPredicates, 373 NumberOfNonLiveVariables, 914 ConjunctsInSsa, 336 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 16/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 62]: Loop Invariant [2022-11-20 10:34:46,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,978 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,979 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,980 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,982 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,982 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_46_arg_1~0#1,QUANTIFIED] [2022-11-20 10:34:46,982 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,982 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,983 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,983 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,983 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_32_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,983 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-20 10:34:46,984 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] Derived loop invariant: ((((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && mask_SORT_27 == 3bv8) && (((\exists ULTIMATE.start_main_~var_46_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_46_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_30) || ((\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0])[7:0])[7:0])[7:0] == state_30) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_24) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])))) || ((\exists ULTIMATE.start_main_~var_32_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0])[7:0])[7:0])[7:0] == state_30 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_32_arg_2~0#1)[7:0]), ~zero_extendFrom8To32(mask_SORT_5))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 1bv8 == var_24) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8) || ((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && 0bv8 == state_18) && 1bv8 == var_24) && 2bv8 == var_21) && var_15 == 0bv8) && var_41 == state_12) && var_11 == 0bv8)) || ((((((((1bv8 == mask_SORT_1 && mask_SORT_27 == 3bv8) && 7bv8 == mask_SORT_5) && 1bv8 == var_41) && var_11 == state_12) && 1bv8 == var_24) && 2bv8 == var_21) && var_15 == 0bv8) && var_11 == 0bv8) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 10:34:47,014 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7779563-9076-4fe5-b910-a7fd02d0897b/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE