./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f --- 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 10:54:22,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:54:22,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:54:22,593 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:54:22,596 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:54:22,600 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:54:22,603 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:54:22,608 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:54:22,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:54:22,614 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:54:22,616 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:54:22,619 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:54:22,619 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:54:22,626 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:54:22,627 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:54:22,629 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:54:22,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:54:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:54:22,636 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:54:22,640 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:54:22,644 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:54:22,647 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:54:22,648 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:54:22,649 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:54:22,659 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:54:22,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:54:22,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:54:22,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:54:22,667 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:54:22,668 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:54:22,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:54:22,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:54:22,672 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:54:22,674 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:54:22,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:54:22,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:54:22,678 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:54:22,678 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:54:22,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:54:22,680 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:54:22,680 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:54:22,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-20 10:54:22,726 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:54:22,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:54:22,728 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:54:22,728 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:54:22,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:54:22,730 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:54:22,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:54:22,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:54:22,731 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:54:22,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:54:22,733 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:54:22,733 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:54:22,734 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:54:22,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:54:22,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:54:22,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:54:22,735 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:54:22,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:54:22,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:54:22,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:54:22,736 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:54:22,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:22,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:54:22,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:54:22,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:54:22,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:54:22,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 10:54:22,739 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:54:22,740 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:54:22,740 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:54:22,740 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-11-20 10:54:23,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:54:23,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:54:23,066 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:54:23,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:54:23,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:54:23,070 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:26,311 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:54:26,602 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:54:26,603 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:26,612 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/14e211d48/65eb7545ec2740cd8736e8a5d5808160/FLAGce7174081 [2022-11-20 10:54:26,626 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/14e211d48/65eb7545ec2740cd8736e8a5d5808160 [2022-11-20 10:54:26,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:54:26,631 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:54:26,632 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:26,632 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:54:26,637 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:54:26,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:26,639 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652fdbd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26, skipping insertion in model container [2022-11-20 10:54:26,639 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:26,648 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:54:26,670 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:54:26,818 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-20 10:54:26,863 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:26,869 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:54:26,883 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-20 10:54:26,928 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:26,951 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:54:26,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26 WrapperNode [2022-11-20 10:54:26,954 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:26,956 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:26,957 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:54:26,957 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:54:26,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:26,985 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,027 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-11-20 10:54:27,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:27,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:54:27,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:54:27,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:54:27,041 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,070 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,071 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,072 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,074 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:54:27,075 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:54:27,076 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:54:27,076 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:54:27,077 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (1/1) ... [2022-11-20 10:54:27,100 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:27,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:54:27,137 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:54:27,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:54:27,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:54:27,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:54:27,318 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:54:27,321 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:54:27,583 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:54:27,595 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:54:27,611 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:54:27,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:27 BoogieIcfgContainer [2022-11-20 10:54:27,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:54:27,616 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:54:27,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:54:27,621 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:54:27,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:54:26" (1/3) ... [2022-11-20 10:54:27,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ad286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:27, skipping insertion in model container [2022-11-20 10:54:27,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:26" (2/3) ... [2022-11-20 10:54:27,623 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@44ad286d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:27, skipping insertion in model container [2022-11-20 10:54:27,623 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:27" (3/3) ... [2022-11-20 10:54:27,625 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:27,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:54:27,665 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:54:27,776 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:54:27,798 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;@36f67929, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:54:27,799 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:54:27,807 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 10:54:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:54:27,816 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:27,818 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:54:27,819 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:27,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:27,833 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 10:54:27,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:54:27,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587945003] [2022-11-20 10:54:27,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:27,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:54:28,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:54:28,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:54:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:54:28,351 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:54:28,353 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 10:54:28,355 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:54:28,357 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 10:54:28,363 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 10:54:28,368 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:54:28,405 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-20 10:54:28,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:54:28 BoogieIcfgContainer [2022-11-20 10:54:28,416 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:54:28,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:54:28,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:54:28,419 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:54:28,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:27" (3/4) ... [2022-11-20 10:54:28,424 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:54:28,424 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:54:28,427 INFO L158 Benchmark]: Toolchain (without parser) took 1794.91ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 113.4MB in the end (delta: 4.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2022-11-20 10:54:28,428 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:54:28,430 INFO L158 Benchmark]: CACSL2BoogieTranslator took 322.58ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 10:54:28,431 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.94ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:28,432 INFO L158 Benchmark]: Boogie Preprocessor took 46.08ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 103.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:54:28,439 INFO L158 Benchmark]: RCFGBuilder took 538.46ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 88.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-20 10:54:28,440 INFO L158 Benchmark]: TraceAbstraction took 799.90ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 114.0MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:54:28,441 INFO L158 Benchmark]: Witness Printer took 5.95ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 113.4MB in the end (delta: 625.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:28,450 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 107.0MB. Free memory is still 55.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 322.58ms. Allocated memory is still 148.9MB. Free memory was 117.6MB in the beginning and 106.2MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.94ms. Allocated memory is still 148.9MB. Free memory was 106.2MB in the beginning and 104.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.08ms. Allocated memory is still 148.9MB. Free memory was 104.1MB in the beginning and 103.0MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 538.46ms. Allocated memory is still 148.9MB. Free memory was 103.0MB in the beginning and 88.2MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 799.90ms. Allocated memory is still 148.9MB. Free memory was 87.7MB in the beginning and 114.0MB in the end (delta: -26.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.95ms. Allocated memory is still 148.9MB. Free memory was 114.0MB in the beginning and 113.4MB in the end (delta: 625.3kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 88, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 91. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 2); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (2 - 1); [L37] const SORT_35 mask_SORT_35 = (SORT_35)-1 >> (sizeof(SORT_35) * 8 - 12); [L38] const SORT_35 msb_SORT_35 = (SORT_35)1 << (12 - 1); [L40] const SORT_6 var_7 = 0; [L41] const SORT_12 var_14 = 0; [L42] const SORT_1 var_19 = 1; [L43] const SORT_6 var_49 = 1; [L44] const SORT_6 var_51 = 4; [L46] SORT_1 input_2; [L47] SORT_3 input_4; [L48] SORT_3 input_5; [L49] SORT_3 input_23; [L50] SORT_3 input_25; [L51] SORT_3 input_27; [L52] SORT_1 input_29; [L53] SORT_3 input_31; [L54] SORT_3 input_33; [L55] SORT_35 input_36; [L56] SORT_35 input_38; [L57] SORT_3 input_40; [L58] SORT_3 input_42; [L59] SORT_3 input_44; [L60] SORT_3 input_46; [L62] SORT_6 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_6; [L64] SORT_6 init_9_arg_1 = var_7; [L65] state_8 = init_9_arg_1 VAL [init_9_arg_1=0, mask_SORT_1=1, mask_SORT_12=3, mask_SORT_3=65535, mask_SORT_35=4095, mask_SORT_6=7, msb_SORT_1=1, msb_SORT_12=2, msb_SORT_3=32768, msb_SORT_35=2048, msb_SORT_6=4, state_8=0, var_14=0, var_19=1, var_49=1, var_51=4, var_7=0] [L68] input_2 = __VERIFIER_nondet_uchar() [L69] input_4 = __VERIFIER_nondet_ushort() [L70] input_5 = __VERIFIER_nondet_ushort() [L71] input_23 = __VERIFIER_nondet_ushort() [L72] input_25 = __VERIFIER_nondet_ushort() [L73] input_27 = __VERIFIER_nondet_ushort() [L74] input_29 = __VERIFIER_nondet_uchar() [L75] input_31 = __VERIFIER_nondet_ushort() [L76] input_33 = __VERIFIER_nondet_ushort() [L77] input_36 = __VERIFIER_nondet_ushort() [L78] input_38 = __VERIFIER_nondet_ushort() [L79] input_40 = __VERIFIER_nondet_ushort() [L80] input_42 = __VERIFIER_nondet_ushort() [L81] input_44 = __VERIFIER_nondet_ushort() [L82] input_46 = __VERIFIER_nondet_ushort() [L85] SORT_6 var_10_arg_0 = state_8; [L86] SORT_1 var_10 = var_10_arg_0 >> 2; [L87] SORT_1 var_11_arg_0 = var_10; [L88] SORT_1 var_11 = ~var_11_arg_0; [L89] SORT_6 var_13_arg_0 = state_8; [L90] SORT_12 var_13 = var_13_arg_0 >> 0; [L91] var_13 = var_13 & mask_SORT_12 [L92] SORT_12 var_15_arg_0 = var_13; [L93] SORT_12 var_15_arg_1 = var_14; [L94] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L95] SORT_1 var_16_arg_0 = var_11; [L96] SORT_1 var_16_arg_1 = var_15; [L97] SORT_1 var_16 = var_16_arg_0 | var_16_arg_1; [L98] SORT_1 var_20_arg_0 = var_16; [L99] SORT_1 var_20 = ~var_20_arg_0; [L100] SORT_1 var_21_arg_0 = var_19; [L101] SORT_1 var_21_arg_1 = var_20; [L102] SORT_1 var_21 = var_21_arg_0 & var_21_arg_1; [L103] var_21 = var_21 & mask_SORT_1 [L104] SORT_1 bad_22_arg_0 = var_21; [L105] CALL __VERIFIER_assert(!(bad_22_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: 0.6s, 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, 0.2s 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 10:54:28,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f --- 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 10:54:31,218 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:54:31,221 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:54:31,284 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:54:31,285 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:54:31,286 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:54:31,288 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:54:31,290 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:54:31,292 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:54:31,293 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:54:31,294 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:54:31,295 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:54:31,296 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:54:31,297 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:54:31,298 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:54:31,300 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:54:31,301 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:54:31,302 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:54:31,309 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:54:31,317 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:54:31,324 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:54:31,326 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:54:31,333 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:54:31,334 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:54:31,343 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:54:31,343 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:54:31,344 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:54:31,345 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:54:31,345 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:54:31,347 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:54:31,347 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:54:31,348 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:54:31,349 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:54:31,350 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:54:31,351 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:54:31,351 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:54:31,352 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:54:31,352 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:54:31,353 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:54:31,354 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:54:31,356 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:54:31,363 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-20 10:54:31,412 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:54:31,412 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:54:31,414 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:54:31,414 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:54:31,415 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 10:54:31,416 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 10:54:31,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:54:31,417 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:54:31,417 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:54:31,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:54:31,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:54:31,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 10:54:31,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 10:54:31,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 10:54:31,420 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-20 10:54:31,420 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-20 10:54:31,420 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-20 10:54:31,421 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:54:31,421 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:54:31,421 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 10:54:31,422 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:54:31,422 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:54:31,422 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 10:54:31,422 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:31,423 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:54:31,423 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 10:54:31,423 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 10:54:31,424 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-20 10:54:31,424 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-20 10:54:31,424 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 10:54:31,424 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 10:54:31,425 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 10:54:31,425 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-20 10:54:31,426 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-11-20 10:54:31,903 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:54:31,938 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:54:31,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:54:31,944 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:54:31,944 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:54:31,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:35,100 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:54:35,415 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:54:35,415 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:35,430 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/51408ceeb/cec8573ef8a24273a469ce221d11fa4d/FLAG8bc91755d [2022-11-20 10:54:35,453 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/data/51408ceeb/cec8573ef8a24273a469ce221d11fa4d [2022-11-20 10:54:35,456 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:54:35,459 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:54:35,462 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:35,462 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:54:35,466 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:54:35,467 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11f8b8db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35, skipping insertion in model container [2022-11-20 10:54:35,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,478 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:54:35,515 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:54:35,726 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-20 10:54:35,805 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:35,813 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:54:35,827 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_bcaf43f9-c342-4d6b-9673-424ab8207a47/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-20 10:54:35,856 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:54:35,871 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:54:35,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35 WrapperNode [2022-11-20 10:54:35,872 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:54:35,873 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:35,873 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:54:35,874 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:54:35,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,916 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-11-20 10:54:35,916 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:54:35,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:54:35,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:54:35,917 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:54:35,927 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,931 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,931 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,937 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,941 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,942 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:54:35,947 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:54:35,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:54:35,948 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:54:35,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (1/1) ... [2022-11-20 10:54:35,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 10:54:35,986 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:54:35,998 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 10:54:36,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 10:54:36,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:54:36,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:54:36,190 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:54:36,192 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:54:36,356 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:54:36,364 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:54:36,364 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:54:36,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:36 BoogieIcfgContainer [2022-11-20 10:54:36,367 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:54:36,369 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 10:54:36,370 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 10:54:36,374 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 10:54:36,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 10:54:35" (1/3) ... [2022-11-20 10:54:36,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f88f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:36, skipping insertion in model container [2022-11-20 10:54:36,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:54:35" (2/3) ... [2022-11-20 10:54:36,376 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31f88f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 10:54:36, skipping insertion in model container [2022-11-20 10:54:36,376 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:36" (3/3) ... [2022-11-20 10:54:36,378 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-20 10:54:36,403 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 10:54:36,404 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 10:54:36,484 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 10:54:36,495 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;@41ef5d8e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 10:54:36,495 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 10:54:36,500 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 10:54:36,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-20 10:54:36,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:36,509 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-20 10:54:36,510 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:36,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:36,520 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-20 10:54:36,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:36,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1843465561] [2022-11-20 10:54:36,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:36,538 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 10:54:36,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:36,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:36,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:36,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:36,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-20 10:54:36,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:37,020 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 10:54:37,020 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-20 10:54:37,021 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:37,022 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1843465561] [2022-11-20 10:54:37,023 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1843465561] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 10:54:37,023 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 10:54:37,024 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 10:54:37,026 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241557935] [2022-11-20 10:54:37,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 10:54:37,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 10:54:37,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:37,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:54:37,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:54:37,074 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 10:54:37,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:37,169 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-20 10:54:37,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 10:54:37,177 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 10:54:37,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:37,185 INFO L225 Difference]: With dead ends: 20 [2022-11-20 10:54:37,187 INFO L226 Difference]: Without dead ends: 11 [2022-11-20 10:54:37,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 10:54:37,197 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 10:54:37,199 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 10:54:37,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-20 10:54:37,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-20 10:54:37,236 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 10:54:37,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-20 10:54:37,239 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-20 10:54:37,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:37,239 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-20 10:54:37,240 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 10:54:37,240 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-20 10:54:37,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-20 10:54:37,241 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:37,242 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-20 10:54:37,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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)] Forceful destruction successful, exit code 0 [2022-11-20 10:54:37,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:37,455 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:37,456 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-20 10:54:37,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:37,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2111628843] [2022-11-20 10:54:37,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:54:37,458 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 10:54:37,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:37,462 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:37,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:37,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:54:37,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-20 10:54:37,595 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:37,854 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 10:54:37,856 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:54:38,296 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 10:54:38,297 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:38,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2111628843] [2022-11-20 10:54:38,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2111628843] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:54:38,298 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:54:38,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-20 10:54:38,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850510926] [2022-11-20 10:54:38,298 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:54:38,300 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-20 10:54:38,300 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:38,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-20 10:54:38,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-20 10:54:38,302 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 10:54:38,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:38,379 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-20 10:54:38,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-20 10:54:38,380 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 10:54:38,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:38,381 INFO L225 Difference]: With dead ends: 16 [2022-11-20 10:54:38,381 INFO L226 Difference]: Without dead ends: 14 [2022-11-20 10:54:38,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:54:38,385 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:38,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 10 Unchecked, 0.0s Time] [2022-11-20 10:54:38,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-20 10:54:38,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-20 10:54:38,405 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 10:54:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-20 10:54:38,406 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-20 10:54:38,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:38,408 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-20 10:54:38,408 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 10:54:38,409 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-20 10:54:38,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-20 10:54:38,414 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:38,414 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-20 10:54:38,435 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:38,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:38,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:38,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:38,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-20 10:54:38,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:38,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1439928098] [2022-11-20 10:54:38,625 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-20 10:54:38,625 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 10:54:38,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:38,627 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:38,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:38,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-20 10:54:38,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:54:38,761 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-20 10:54:38,764 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:39,077 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 10:54:39,079 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:54:40,019 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 10:54:40,020 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:40,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1439928098] [2022-11-20 10:54:40,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1439928098] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:54:40,021 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:54:40,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-20 10:54:40,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423206748] [2022-11-20 10:54:40,022 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:54:40,022 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-20 10:54:40,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:40,023 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-20 10:54:40,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-20 10:54:40,024 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:54:40,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:40,169 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-20 10:54:40,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-20 10:54:40,170 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-20 10:54:40,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:40,171 INFO L225 Difference]: With dead ends: 19 [2022-11-20 10:54:40,171 INFO L226 Difference]: Without dead ends: 17 [2022-11-20 10:54:40,171 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-20 10:54:40,173 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 20 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:40,173 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 30 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 20 Unchecked, 0.0s Time] [2022-11-20 10:54:40,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-20 10:54:40,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-20 10:54:40,179 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 10:54:40,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-20 10:54:40,180 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-20 10:54:40,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:40,180 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-20 10:54:40,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:54:40,181 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-20 10:54:40,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-20 10:54:40,182 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 10:54:40,182 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-20 10:54:40,201 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:40,401 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:40,401 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 10:54:40,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:54:40,403 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-20 10:54:40,404 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-20 10:54:40,404 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [634172688] [2022-11-20 10:54:40,404 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:54:40,405 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 10:54:40,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/mathsat [2022-11-20 10:54:40,406 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:40,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:40,527 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-20 10:54:40,528 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:54:40,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-20 10:54:40,537 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:54:41,585 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-20 10:54:41,586 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:54:45,185 WARN L837 $PredicateComparison]: unable to prove that (let ((.cse9 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_12~0#1|)) (.cse10 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_14~0#1|)) (.cse4 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse5 ((_ zero_extend 24) |c_ULTIMATE.start_main_~mask_SORT_6~0#1|))) (let ((.cse0 (let ((.cse25 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_7~0#1|)))))))) (let ((.cse24 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse25 (_ bv2 32))))))))) (and (or (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 (_ bv0 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|)))))) (_ bv0 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) .cse25)) .cse9))) .cse10)) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= (_ bv0 8) ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor .cse24 (_ bv1 32)))))))))))))))))) (.cse8 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_49~0#1|)) (.cse1 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_51~0#1|)) (.cse3 ((_ zero_extend 24) |c_ULTIMATE.start_main_~var_19~0#1|))) (and (or .cse0 (and (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse2 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (or (not (= .cse1 .cse2)) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse2 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))) .cse4)) (_ bv0 8)))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse6 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (or (not (= .cse6 .cse1)) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse6 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))))) (_ bv0 8)))))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (or (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 .cse8)))))))) (_ bv2 32))))))) (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|)))))) (_ bv0 8))) (= .cse7 .cse1) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse7))))) .cse10)) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv2 32))))))) (_ bv1 32)))))))))) .cse4)) (_ bv0 8)))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse11 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse11 .cse8)))))))))) (or (= .cse11 .cse1) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse12))))) .cse10) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse12 (_ bv2 32))))))) (_ bv0 32)))))))))))) (_ bv0 8))) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse11 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))))) (_ bv0 8))))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse13 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 .cse13))))) .cse5))))) (or (= .cse1 .cse13) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse14 (_ bv2 32)))))))))))))))))) (_ bv0 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse14))))) .cse10) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse13 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))) .cse4)) (_ bv0 8))))))) (or (and (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (or (not (= .cse15 .cse1)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse15))))) .cse10)) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse15 (_ bv2 32))))))) (_ bv1 32)))))))))) .cse4)) (_ bv0 8)))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse16 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (or (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse16 (_ bv2 32)))))))))))))))) .cse4)) (_ bv0 8))) (not (= .cse1 .cse16)) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse16))))) .cse10)))))) .cse0) (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse17 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (let ((.cse18 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 .cse17))))) .cse5))))) (or (= .cse1 .cse17) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse17 (_ bv2 32)))))))))))))))) .cse4)) (_ bv0 8))) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse18 (_ bv2 32)))))))))))))))))) (_ bv0 8))) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse18))))) .cse10) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse17))))) .cse10)))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse19 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (or (= .cse1 .cse19) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse19 (_ bv2 32)))))))))))))))) .cse4)) (_ bv0 8))) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 .cse19))))) .cse5))) (_ bv2 32))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|)))))) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse19))))) .cse10))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse20 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (let ((.cse21 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse20 .cse8)))))))))) (or (= .cse20 .cse1) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse21))))) .cse10) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse21 (_ bv2 32))))))) (_ bv0 32)))))))))))) (_ bv0 8))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse20))))) .cse10)) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse3 ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse20 (_ bv2 32))))))) (_ bv1 32)))))))))) .cse4)) (_ bv0 8))))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_1~0#1_9| (_ BitVec 8))) (let ((.cse22 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_1~0#1_9|)))))))) (or (= .cse1 .cse22) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv1 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse8 .cse22))))) .cse5))) (_ bv2 32))))))))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|)))))) (_ bv0 8))) (not (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse22 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))) .cse4)) (_ bv0 8)))))) (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse23 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|)))))))) (or (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse5 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse23 .cse8)))))))) (_ bv2 32))))))) (_ bv1 32))))))) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|)))))) (_ bv0 8))) (= .cse23 .cse1) (not (= ((_ extract 7 0) (bvand .cse4 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse23 (_ bv2 32))))))) (_ bv0 32))))))) .cse3))))) (_ bv0 8))))))))) is different from false [2022-11-20 10:54:47,303 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 10 not checked. [2022-11-20 10:54:47,303 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-20 10:54:47,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [634172688] [2022-11-20 10:54:47,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [634172688] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:54:47,304 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-20 10:54:47,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-20 10:54:47,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005768414] [2022-11-20 10:54:47,305 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-20 10:54:47,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-20 10:54:47,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-20 10:54:47,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-20 10:54:47,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=122, Unknown=1, NotChecked=22, Total=182 [2022-11-20 10:54:47,307 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 10:54:50,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:54:50,919 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-20 10:54:50,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-20 10:54:50,919 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 10:54:50,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 10:54:50,920 INFO L225 Difference]: With dead ends: 15 [2022-11-20 10:54:50,920 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 10:54:50,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=98, Invalid=247, Unknown=1, NotChecked=34, Total=380 [2022-11-20 10:54:50,922 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 2 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 18 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 10:54:50,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 18 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 18 Unchecked, 0.0s Time] [2022-11-20 10:54:50,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 10:54:50,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 10:54:50,924 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 10:54:50,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 10:54:50,925 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-20 10:54:50,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 10:54:50,925 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:54:50,925 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 10:54:50,926 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:54:50,926 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 10:54:50,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 10:54:50,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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)] Forceful destruction successful, exit code 0 [2022-11-20 10:54:51,143 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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 10:54:51,145 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 10:54:51,822 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 10:54:51,823 INFO L895 garLoopResultBuilder]: At program point L66-2(lines 66 121) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse3 (= |ULTIMATE.start_main_~var_14~0#1| (_ bv0 8))) (.cse4 (= |ULTIMATE.start_main_~var_7~0#1| (_ bv0 8))) (.cse5 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_12~0#1|)) (.cse6 (= (_ bv1 8) |ULTIMATE.start_main_~var_19~0#1|)) (.cse12 (= (_ bv1 8) |ULTIMATE.start_main_~var_49~0#1|)) (.cse13 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_6~0#1|))) (or (let ((.cse2 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) (and .cse0 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) (exists ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_8| (_ BitVec 8))) (let ((.cse1 ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv7 32) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_8|)))))))) (and (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse1 (_ bv1 32)))))) (_ bv7 32))) |ULTIMATE.start_main_~state_8~0#1|) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse1 (_ bv2 32))))))) (_ bv0 32))))))) (_ bv1 32)))) .cse2)) (_ bv0 8))))) .cse3 .cse4 .cse5 .cse6 (forall ((|v_ULTIMATE.start_main_~var_53_arg_2~0#1_10| (_ BitVec 8))) (let ((.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_6~0#1|))) (let ((.cse7 ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_53_arg_2~0#1_10|))) .cse11))))) (let ((.cse9 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_12~0#1|)) (.cse8 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) (bvadd .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~var_49~0#1|)))))))))) (.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_14~0#1|))) (or (= .cse7 ((_ zero_extend 24) |ULTIMATE.start_main_~var_51~0#1|)) (forall ((|v_ULTIMATE.start_main_~var_21_arg_0~0#1_10| (_ BitVec 8))) (= ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) |v_ULTIMATE.start_main_~var_21_arg_0~0#1_10|) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv0 32) ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse8 (_ bv2 32)))))))))))))))) .cse2)) (_ bv0 8))) (not (= (_ bv0 8) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvand ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvor ((_ zero_extend 24) ((_ extract 7 0) (bvnot ((_ zero_extend 24) ((_ extract 7 0) (bvashr .cse7 (_ bv2 32))))))) (_ bv1 32))))))) ((_ zero_extend 24) |ULTIMATE.start_main_~var_19~0#1|)))) .cse2)))) (not (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse7))))) .cse10)) (= ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse9 ((_ zero_extend 24) ((_ extract 7 0) .cse8))))) .cse10)))))) .cse12 .cse13)) (and (= (_ bv4 8) |ULTIMATE.start_main_~var_51~0#1|) .cse0 .cse3 .cse4 .cse5 (= |ULTIMATE.start_main_~state_8~0#1| |ULTIMATE.start_main_~var_7~0#1|) .cse6 .cse12 .cse13))) [2022-11-20 10:54:51,823 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 121) no Hoare annotation was computed. [2022-11-20 10:54:51,823 INFO L895 garLoopResultBuilder]: At program point L122(lines 22 123) the Hoare annotation is: false [2022-11-20 10:54:51,824 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 10:54:51,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 10:54:51,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 10:54:51,824 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-20 10:54:51,825 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-20 10:54:51,825 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-20 10:54:51,825 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-20 10:54:51,829 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-20 10:54:51,831 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 10:54:51,843 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,844 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,845 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,845 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,846 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,846 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,847 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,847 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,855 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,856 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,856 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,857 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,857 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,858 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,858 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,858 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 10:54:51 BoogieIcfgContainer [2022-11-20 10:54:51,862 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 10:54:51,863 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:54:51,863 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:54:51,863 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:54:51,864 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:54:36" (3/4) ... [2022-11-20 10:54:51,867 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 10:54:51,879 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 10:54:51,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 10:54:51,880 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 10:54:51,909 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && (\exists v_ULTIMATE.start_main_~var_53_arg_2~0#1_8 : bv8 :: ~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(7bv32, ~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_8)[7:0]))[7:0]), 1bv32)[7:0])[7:0]), 7bv32)[7:0] == state_8 && ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(7bv32, ~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_8)[7:0]))[7:0]), 2bv32)[7:0]))[7:0]), 0bv32)[7:0]))[7:0]), 1bv32)[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0] == 0bv8)) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && 1bv8 == var_19) && (forall v_ULTIMATE.start_main_~var_53_arg_2~0#1_10 : bv8 :: (((~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]) == ~zero_extendFrom16To32(var_51) || (forall v_ULTIMATE.start_main_~var_21_arg_0~0#1_10 : bv8 :: ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_21_arg_0~0#1_10), ~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(0bv32, ~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_6), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), ~zero_extendFrom16To32(var_49))[7:0])[7:0]))[7:0]), 2bv32)[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0] == 0bv8)) || !(0bv8 == ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), 2bv32)[7:0]))[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom16To32(var_19))[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0])) || !(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0])[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14))) || ~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_6), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), ~zero_extendFrom16To32(var_49))[7:0])[7:0]))[7:0])[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14))) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) || ((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && state_8 == var_7) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) [2022-11-20 10:54:51,924 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 10:54:51,925 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:54:51,925 INFO L158 Benchmark]: Toolchain (without parser) took 16466.74ms. Allocated memory was 79.7MB in the beginning and 174.1MB in the end (delta: 94.4MB). Free memory was 56.9MB in the beginning and 88.4MB in the end (delta: -31.6MB). Peak memory consumption was 64.4MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,926 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:54:51,926 INFO L158 Benchmark]: CACSL2BoogieTranslator took 410.39ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 45.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,926 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.35ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,927 INFO L158 Benchmark]: Boogie Preprocessor took 29.65ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 41.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,927 INFO L158 Benchmark]: RCFGBuilder took 419.80ms. Allocated memory is still 79.7MB. Free memory was 41.8MB in the beginning and 53.0MB in the end (delta: -11.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,928 INFO L158 Benchmark]: TraceAbstraction took 15492.99ms. Allocated memory was 79.7MB in the beginning and 174.1MB in the end (delta: 94.4MB). Free memory was 52.3MB in the beginning and 91.6MB in the end (delta: -39.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,928 INFO L158 Benchmark]: Witness Printer took 61.80ms. Allocated memory is still 174.1MB. Free memory was 91.6MB in the beginning and 88.4MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 10:54:51,930 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 79.7MB. Free memory is still 56.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 410.39ms. Allocated memory is still 79.7MB. Free memory was 56.7MB in the beginning and 45.0MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.35ms. Allocated memory is still 79.7MB. Free memory was 45.0MB in the beginning and 43.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.65ms. Allocated memory is still 79.7MB. Free memory was 43.0MB in the beginning and 41.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 419.80ms. Allocated memory is still 79.7MB. Free memory was 41.8MB in the beginning and 53.0MB in the end (delta: -11.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * TraceAbstraction took 15492.99ms. Allocated memory was 79.7MB in the beginning and 174.1MB in the end (delta: 94.4MB). Free memory was 52.3MB in the beginning and 91.6MB in the end (delta: -39.2MB). Peak memory consumption was 54.0MB. Max. memory is 16.1GB. * Witness Printer took 61.80ms. Allocated memory is still 174.1MB. Free memory was 91.6MB in the beginning and 88.4MB in the end (delta: 3.1MB). 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[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,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: 15.4s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 26 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 80 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 48 IncrementalHoareTripleChecker+Unchecked, 64 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 16 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 8.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 29, 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, 256 HoareAnnotationTreeSize, 2 FomulaSimplifications, 30 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 461 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 27 QuantifiedInterpolants, 10848 SizeOfPredicates, 156 NumberOfNonLiveVariables, 468 ConjunctsInSsa, 152 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 8/48 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 66]: Loop Invariant [2022-11-20 10:54:51,941 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,941 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,942 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,942 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,942 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,943 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,943 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,944 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,946 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,946 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_8,QUANTIFIED] [2022-11-20 10:54:51,946 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,947 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_21_arg_0~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,947 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,948 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,948 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] [2022-11-20 10:54:51,948 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_ULTIMATE.start_main_~var_53_arg_2~0#1_10,QUANTIFIED] Derived loop invariant: (((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && (\exists v_ULTIMATE.start_main_~var_53_arg_2~0#1_8 : bv8 :: ~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(7bv32, ~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_8)[7:0]))[7:0]), 1bv32)[7:0])[7:0]), 7bv32)[7:0] == state_8 && ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(7bv32, ~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_8)[7:0]))[7:0]), 2bv32)[7:0]))[7:0]), 0bv32)[7:0]))[7:0]), 1bv32)[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0] == 0bv8)) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && 1bv8 == var_19) && (forall v_ULTIMATE.start_main_~var_53_arg_2~0#1_10 : bv8 :: (((~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]) == ~zero_extendFrom16To32(var_51) || (forall v_ULTIMATE.start_main_~var_21_arg_0~0#1_10 : bv8 :: ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_21_arg_0~0#1_10), ~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(0bv32, ~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_6), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), ~zero_extendFrom16To32(var_49))[7:0])[7:0]))[7:0]), 2bv32)[7:0]))[7:0]))[7:0]))[7:0]))[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0] == 0bv8)) || !(0bv8 == ~bvand32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvor32(~zero_extendFrom16To32(~bvnot32(~zero_extendFrom16To32(~bvashr32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), 2bv32)[7:0]))[7:0]), 1bv32)[7:0]))[7:0]), ~zero_extendFrom16To32(var_19))[7:0]), ~zero_extendFrom16To32(mask_SORT_1))[7:0])) || !(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0])[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14))) || ~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_12), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(mask_SORT_6), ~zero_extendFrom16To32(~zero_extendFrom16To32(~bvadd64(~zero_extendFrom16To32(~bvand32(~zero_extendFrom16To32(~zero_extendFrom16To32(v_ULTIMATE.start_main_~var_53_arg_2~0#1_10)[7:0]), ~zero_extendFrom16To32(mask_SORT_6))[7:0]), ~zero_extendFrom16To32(var_49))[7:0])[7:0]))[7:0])[7:0]))[7:0]) == ~zero_extendFrom16To32(var_14))) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) || ((((((((4bv8 == var_51 && 1bv8 == mask_SORT_1) && var_14 == 0bv8) && var_7 == 0bv8) && 3bv8 == mask_SORT_12) && state_8 == var_7) && 1bv8 == var_19) && 1bv8 == var_49) && 7bv8 == mask_SORT_6) RESULT: Ultimate proved your program to be correct! [2022-11-20 10:54:51,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcaf43f9-c342-4d6b-9673-424ab8207a47/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