./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 e04fb08f 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:08:02,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:08:02,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:08:02,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:08:02,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:08:02,542 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:08:02,545 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:08:02,552 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:08:02,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:08:02,554 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:08:02,556 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:08:02,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:08:02,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:08:02,566 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:08:02,568 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:08:02,570 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:08:02,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:08:02,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:08:02,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:08:02,584 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:08:02,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:08:02,587 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:08:02,591 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:08:02,592 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:08:02,603 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:08:02,604 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:08:02,604 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:08:02,606 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:08:02,607 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:08:02,609 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:08:02,610 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:08:02,611 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:08:02,613 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:08:02,615 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:08:02,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:08:02,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:08:02,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:08:02,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:08:02,619 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:08:02,620 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:08:02,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:08:02,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 11:08:02,670 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:08:02,670 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:08:02,670 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:08:02,670 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:08:02,671 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:08:02,671 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:08:02,672 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:08:02,672 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:08:02,672 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:08:02,673 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:08:02,673 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:08:02,673 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:08:02,673 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:08:02,674 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:08:02,674 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:08:02,674 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:08:02,674 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:08:02,674 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:08:02,675 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:08:02,675 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:08:02,675 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:08:02,675 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:02,675 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:08:02,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:08:02,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:08:02,679 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:08:02,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:08:02,679 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:08:02,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:08:02,681 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:08:02,682 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-11-16 11:08:03,020 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:08:03,061 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:08:03,065 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:08:03,068 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:08:03,069 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:08:03,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:03,165 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/610fa3639/f0461e9cbfb64bf4adc0477572df2dc7/FLAG2464470a2 [2022-11-16 11:08:03,835 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:08:03,836 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:03,845 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/610fa3639/f0461e9cbfb64bf4adc0477572df2dc7/FLAG2464470a2 [2022-11-16 11:08:04,191 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/610fa3639/f0461e9cbfb64bf4adc0477572df2dc7 [2022-11-16 11:08:04,195 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:08:04,199 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:08:04,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:04,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:08:04,212 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:08:04,213 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c0692e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04, skipping insertion in model container [2022-11-16 11:08:04,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,224 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:08:04,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:08:04,472 WARN L229 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-16 11:08:04,567 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:04,570 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:08:04,595 WARN L229 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-16 11:08:04,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:04,673 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:08:04,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04 WrapperNode [2022-11-16 11:08:04,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:04,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:04,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:08:04,678 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:08:04,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,709 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,753 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 132 [2022-11-16 11:08:04,755 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:04,756 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:08:04,756 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:08:04,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:08:04,768 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,768 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,809 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,813 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:08:04,814 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:08:04,814 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:08:04,814 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:08:04,824 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (1/1) ... [2022-11-16 11:08:04,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:04,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:08:04,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:08:04,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:08:04,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:08:04,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:08:05,049 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:08:05,051 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:08:05,300 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:08:05,309 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:08:05,324 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:08:05,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:05 BoogieIcfgContainer [2022-11-16 11:08:05,327 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:08:05,330 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:08:05,330 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:08:05,335 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:08:05,335 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:08:04" (1/3) ... [2022-11-16 11:08:05,336 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46011715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:05, skipping insertion in model container [2022-11-16 11:08:05,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:04" (2/3) ... [2022-11-16 11:08:05,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46011715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:05, skipping insertion in model container [2022-11-16 11:08:05,337 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:05" (3/3) ... [2022-11-16 11:08:05,339 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:05,390 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:08:05,391 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:08:05,473 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:08:05,493 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;@59e5155f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:08:05,493 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:08:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 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) [2022-11-16 11:08:05,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 11:08:05,511 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:05,512 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:05,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:05,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:05,523 INFO L85 PathProgramCache]: Analyzing trace with hash -327482853, now seen corresponding path program 1 times [2022-11-16 11:08:05,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:05,539 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [111406413] [2022-11-16 11:08:05,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:05,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:06,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:06,073 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:08:06,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [111406413] [2022-11-16 11:08:06,074 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [111406413] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:06,074 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:06,075 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:08:06,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147190219] [2022-11-16 11:08:06,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:06,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:08:06,085 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:08:06,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:08:06,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:08:06,127 INFO L87 Difference]: Start difference. First operand has 20 states, 18 states have (on average 1.5555555555555556) internal successors, (28), 19 states have internal predecessors, (28), 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 2.25) internal successors, (9), 4 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) [2022-11-16 11:08:06,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:06,249 INFO L93 Difference]: Finished difference Result 52 states and 82 transitions. [2022-11-16 11:08:06,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:08:06,252 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) Word has length 9 [2022-11-16 11:08:06,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:06,262 INFO L225 Difference]: With dead ends: 52 [2022-11-16 11:08:06,263 INFO L226 Difference]: Without dead ends: 34 [2022-11-16 11:08:06,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:08:06,271 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 42 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 11:08:06,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 63 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 11:08:06,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-16 11:08:06,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 18. [2022-11-16 11:08:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 17 states have (on average 1.411764705882353) internal successors, (24), 17 states have internal predecessors, (24), 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) [2022-11-16 11:08:06,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-11-16 11:08:06,312 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 24 transitions. Word has length 9 [2022-11-16 11:08:06,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:06,313 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-16 11:08:06,313 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 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) [2022-11-16 11:08:06,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 24 transitions. [2022-11-16 11:08:06,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 11:08:06,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:06,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:06,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:08:06,315 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:06,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:06,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1560249297, now seen corresponding path program 1 times [2022-11-16 11:08:06,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:08:06,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976517588] [2022-11-16 11:08:06,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:06,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:08:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:08:06,378 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 11:08:06,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 11:08:06,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 11:08:06,439 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 11:08:06,443 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:08:06,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:08:06,456 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 11:08:06,460 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:08:06,500 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 11:08:06,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:08:06 BoogieIcfgContainer [2022-11-16 11:08:06,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:08:06,516 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:08:06,516 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:08:06,516 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:08:06,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:05" (3/4) ... [2022-11-16 11:08:06,520 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 11:08:06,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:08:06,521 INFO L158 Benchmark]: Toolchain (without parser) took 2322.48ms. Allocated memory is still 138.4MB. Free memory was 104.8MB in the beginning and 84.7MB in the end (delta: 20.1MB). Peak memory consumption was 20.8MB. Max. memory is 16.1GB. [2022-11-16 11:08:06,522 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:06,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 469.50ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 112.5MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 11:08:06,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.00ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:06,524 INFO L158 Benchmark]: Boogie Preprocessor took 56.98ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:06,525 INFO L158 Benchmark]: RCFGBuilder took 513.28ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 96.1MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 11:08:06,525 INFO L158 Benchmark]: TraceAbstraction took 1185.23ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 85.4MB in the end (delta: 10.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:06,526 INFO L158 Benchmark]: Witness Printer took 4.70ms. Allocated memory is still 138.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:06,529 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 92.3MB. Free memory was 47.9MB in the beginning and 47.9MB in the end (delta: 46.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 469.50ms. Allocated memory is still 138.4MB. Free memory was 104.6MB in the beginning and 112.5MB in the end (delta: -7.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.00ms. Allocated memory is still 138.4MB. Free memory was 112.5MB in the beginning and 110.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 56.98ms. Allocated memory is still 138.4MB. Free memory was 110.4MB in the beginning and 109.1MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 513.28ms. Allocated memory is still 138.4MB. Free memory was 109.1MB in the beginning and 96.1MB in the end (delta: 13.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1185.23ms. Allocated memory is still 138.4MB. Free memory was 95.7MB in the beginning and 85.4MB in the end (delta: 10.3MB). Peak memory consumption was 11.1MB. Max. memory is 16.1GB. * Witness Printer took 4.70ms. Allocated memory is still 138.4MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 99, overapproximation of bitwiseOr at line 97, overapproximation of bitwiseAnd at line 103. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 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; VAL [init_9_arg_1=0, input_2=11, input_23=8, input_25=1, input_27=7, input_29=15, input_31=13, input_33=6, input_36=3, input_38=2, input_4=4, input_40=9, input_42=5, input_44=10, input_46=0, input_5=12, 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_10=0, var_10_arg_0=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=0, var_19=1, var_49=1, var_51=4, var_7=0] [L91] var_13 = var_13 & mask_SORT_12 VAL [init_9_arg_1=0, input_2=11, input_23=8, input_25=1, input_27=7, input_29=15, input_31=13, input_33=6, input_36=3, input_38=2, input_4=4, input_40=9, input_42=5, input_44=10, input_46=0, input_5=12, 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_10=0, var_10_arg_0=0, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=0, var_19=1, var_49=1, var_51=4, var_7=0] [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; VAL [init_9_arg_1=0, input_2=11, input_23=8, input_25=1, input_27=7, input_29=15, input_31=13, input_33=6, input_36=3, input_38=2, input_4=4, input_40=9, input_42=5, input_44=10, input_46=0, input_5=12, 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_10=0, var_10_arg_0=0, var_11=1, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=1, var_16_arg_0=1, var_16_arg_1=1, var_19=1, var_20=255, var_20_arg_0=1, var_21=14, var_21_arg_0=1, var_21_arg_1=255, var_49=1, var_51=4, var_7=0] [L103] var_21 = var_21 & mask_SORT_1 VAL [init_9_arg_1=0, input_2=11, input_23=8, input_25=1, input_27=7, input_29=15, input_31=13, input_33=6, input_36=3, input_38=2, input_4=4, input_40=9, input_42=5, input_44=10, input_46=0, input_5=12, 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_10=0, var_10_arg_0=0, var_11=1, var_11_arg_0=0, var_13=0, var_13_arg_0=0, var_14=0, var_15=1, var_15_arg_0=0, var_15_arg_1=0, var_16=1, var_16_arg_0=1, var_16_arg_1=1, var_19=1, var_20=255, var_20_arg_0=1, var_21=1, var_21_arg_0=1, var_21_arg_1=255, var_49=1, var_51=4, var_7=0] [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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 42 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 63 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 30 mSDtfsCounter, 17 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 1 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 [2022-11-16 11:08:06,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8 --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-e04fb08 [2022-11-16 11:08:09,315 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:08:09,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:08:09,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:08:09,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:08:09,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:08:09,373 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:08:09,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:08:09,384 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:08:09,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:08:09,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:08:09,393 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:08:09,394 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:08:09,395 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:08:09,396 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:08:09,397 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:08:09,399 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:08:09,400 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:08:09,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:08:09,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:08:09,417 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:08:09,419 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:08:09,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:08:09,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:08:09,438 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:08:09,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:08:09,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:08:09,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:08:09,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:08:09,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:08:09,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:08:09,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:08:09,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:08:09,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:08:09,447 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:08:09,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:08:09,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:08:09,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:08:09,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:08:09,455 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:08:09,456 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:08:09,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 11:08:09,513 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:08:09,513 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:08:09,514 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:08:09,514 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:08:09,515 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:08:09,516 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:08:09,517 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:08:09,518 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:08:09,518 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:08:09,518 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:08:09,520 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:08:09,520 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:08:09,520 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:08:09,520 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:08:09,521 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 11:08:09,521 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 11:08:09,521 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 11:08:09,521 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:08:09,522 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:08:09,522 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:08:09,522 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:08:09,522 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:08:09,523 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:08:09,523 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:09,523 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:08:09,523 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:08:09,524 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:08:09,524 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 11:08:09,524 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 11:08:09,525 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:08:09,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:08:09,525 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:08:09,526 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 11:08:09,526 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e049f39696e0e2fc7054b0acc87989611b1a924bf2e3afb40163a5b9343b74f [2022-11-16 11:08:10,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:08:10,040 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:08:10,043 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:08:10,045 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:08:10,048 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:08:10,050 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:10,138 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/130f44415/53a254c0d4854ae1a751a84c3991c083/FLAG8b2c86a47 [2022-11-16 11:08:10,763 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:08:10,765 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:10,778 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/130f44415/53a254c0d4854ae1a751a84c3991c083/FLAG8b2c86a47 [2022-11-16 11:08:11,063 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/data/130f44415/53a254c0d4854ae1a751a84c3991c083 [2022-11-16 11:08:11,067 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:08:11,069 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:08:11,075 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:11,075 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:08:11,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:08:11,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c908717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11, skipping insertion in model container [2022-11-16 11:08:11,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:08:11,123 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:08:11,298 WARN L229 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-16 11:08:11,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:11,402 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:08:11,444 WARN L229 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_b1be14e5-2a57-4832-abdd-8846d229b9c7/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p3.c[1107,1120] [2022-11-16 11:08:11,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:08:11,547 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:08:11,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11 WrapperNode [2022-11-16 11:08:11,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:08:11,549 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:11,550 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:08:11,550 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:08:11,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,613 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 111 [2022-11-16 11:08:11,614 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:08:11,615 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:08:11,615 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:08:11,615 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:08:11,626 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,642 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,670 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,674 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:08:11,688 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:08:11,689 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:08:11,689 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:08:11,690 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (1/1) ... [2022-11-16 11:08:11,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:08:11,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:08:11,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:08:11,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:08:11,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:08:11,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:08:11,940 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:08:11,943 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:08:12,222 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:08:12,229 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:08:12,229 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 11:08:12,231 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:12 BoogieIcfgContainer [2022-11-16 11:08:12,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:08:12,234 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:08:12,235 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:08:12,254 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:08:12,255 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:08:11" (1/3) ... [2022-11-16 11:08:12,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b226923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:12, skipping insertion in model container [2022-11-16 11:08:12,256 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:08:11" (2/3) ... [2022-11-16 11:08:12,256 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b226923 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:08:12, skipping insertion in model container [2022-11-16 11:08:12,257 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:12" (3/3) ... [2022-11-16 11:08:12,258 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p3.c [2022-11-16 11:08:12,287 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:08:12,287 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:08:12,345 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:08:12,353 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;@419cce7c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:08:12,354 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:08:12,363 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) [2022-11-16 11:08:12,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 11:08:12,372 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:12,373 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 11:08:12,374 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:12,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:12,385 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 11:08:12,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:12,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1646327021] [2022-11-16 11:08:12,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:12,403 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 [2022-11-16 11:08:12,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:12,405 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:08:12,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:12,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:12,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 18 conjunts are in the unsatisfiable core [2022-11-16 11:08:12,534 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:12,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:12,784 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 11:08:12,785 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:12,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1646327021] [2022-11-16 11:08:12,786 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1646327021] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:08:12,786 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:08:12,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 11:08:12,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [234110847] [2022-11-16 11:08:12,802 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:08:12,809 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 11:08:12,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:12,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 11:08:12,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 11:08:12,856 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) [2022-11-16 11:08:12,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:12,947 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 11:08:12,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:08:12,950 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 [2022-11-16 11:08:12,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:12,959 INFO L225 Difference]: With dead ends: 20 [2022-11-16 11:08:12,959 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 11:08:12,962 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 [2022-11-16 11:08:12,974 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 [2022-11-16 11:08:12,975 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] [2022-11-16 11:08:12,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 11:08:13,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 11:08:13,019 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) [2022-11-16 11:08:13,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 11:08:13,021 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 11:08:13,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:13,023 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 11:08:13,023 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) [2022-11-16 11:08:13,023 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 11:08:13,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 11:08:13,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:13,024 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 11:08:13,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:13,226 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:13,226 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:13,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:13,227 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 11:08:13,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:13,228 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [102626441] [2022-11-16 11:08:13,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:08:13,229 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 [2022-11-16 11:08:13,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:13,230 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:08:13,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:13,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:08:13,342 INFO L263 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 31 conjunts are in the unsatisfiable core [2022-11-16 11:08:13,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:13,706 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:13,707 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:08:14,310 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:14,310 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:14,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [102626441] [2022-11-16 11:08:14,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [102626441] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:08:14,311 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:08:14,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 11:08:14,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [47612998] [2022-11-16 11:08:14,312 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:08:14,313 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 11:08:14,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:14,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 11:08:14,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 11:08:14,315 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) [2022-11-16 11:08:14,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:14,398 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 11:08:14,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 11:08:14,399 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 [2022-11-16 11:08:14,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:14,400 INFO L225 Difference]: With dead ends: 16 [2022-11-16 11:08:14,400 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 11:08:14,401 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 [2022-11-16 11:08:14,404 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 [2022-11-16 11:08:14,406 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] [2022-11-16 11:08:14,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 11:08:14,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 11:08:14,421 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) [2022-11-16 11:08:14,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 11:08:14,423 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 11:08:14,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:14,427 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 11:08:14,427 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) [2022-11-16 11:08:14,428 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 11:08:14,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 11:08:14,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:14,435 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 11:08:14,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:14,648 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:14,649 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:14,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:14,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 11:08:14,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:14,651 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [701589824] [2022-11-16 11:08:14,651 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 11:08:14,652 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 [2022-11-16 11:08:14,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:14,653 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:08:14,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:14,768 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 11:08:14,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:08:14,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 39 conjunts are in the unsatisfiable core [2022-11-16 11:08:14,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:15,111 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:08:15,963 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 11:08:15,963 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:15,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [701589824] [2022-11-16 11:08:15,964 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [701589824] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:08:15,964 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:08:15,964 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-16 11:08:15,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536614692] [2022-11-16 11:08:15,965 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:08:15,965 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 11:08:15,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:15,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 11:08:15,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-16 11:08:15,967 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) [2022-11-16 11:08:16,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:16,097 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 11:08:16,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 11:08:16,098 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 [2022-11-16 11:08:16,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:16,099 INFO L225 Difference]: With dead ends: 19 [2022-11-16 11:08:16,099 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 11:08:16,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2022-11-16 11:08:16,101 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 [2022-11-16 11:08:16,102 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] [2022-11-16 11:08:16,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 11:08:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 11:08:16,107 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) [2022-11-16 11:08:16,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 11:08:16,108 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 11:08:16,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:16,109 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 11:08:16,109 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) [2022-11-16 11:08:16,109 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 11:08:16,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 11:08:16,110 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:08:16,110 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 11:08:16,138 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:16,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:16,332 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:08:16,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:08:16,333 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 11:08:16,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 11:08:16,333 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661504055] [2022-11-16 11:08:16,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 11:08:16,334 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 [2022-11-16 11:08:16,334 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 11:08:16,336 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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) [2022-11-16 11:08:16,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:16,456 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 11:08:16,457 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 11:08:16,462 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 64 conjunts are in the unsatisfiable core [2022-11-16 11:08:16,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 11:08:17,625 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 11:08:17,625 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 11:08:21,362 WARN L833 $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 [2022-11-16 11:08:23,399 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 10 not checked. [2022-11-16 11:08:23,399 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 11:08:23,399 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661504055] [2022-11-16 11:08:23,404 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [661504055] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 11:08:23,404 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 11:08:23,405 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-16 11:08:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184732267] [2022-11-16 11:08:23,405 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 11:08:23,406 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 11:08:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 11:08:23,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 11:08:23,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=122, Unknown=1, NotChecked=22, Total=182 [2022-11-16 11:08:23,409 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) [2022-11-16 11:08:27,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:08:27,195 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-16 11:08:27,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 11:08:27,197 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 [2022-11-16 11:08:27,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:08:27,199 INFO L225 Difference]: With dead ends: 15 [2022-11-16 11:08:27,199 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:08:27,203 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 1 IntricatePredicates, 1 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=98, Invalid=247, Unknown=1, NotChecked=34, Total=380 [2022-11-16 11:08:27,207 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 [2022-11-16 11:08:27,211 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] [2022-11-16 11:08:27,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:08:27,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:08:27,212 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) [2022-11-16 11:08:27,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:08:27,213 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-16 11:08:27,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:08:27,213 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:08:27,213 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) [2022-11-16 11:08:27,217 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:08:27,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:08:27,220 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:08:27,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:27,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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 [2022-11-16 11:08:27,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:08:28,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:08:28,165 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))) [2022-11-16 11:08:28,165 INFO L899 garLoopResultBuilder]: For program point L66-3(lines 66 121) no Hoare annotation was computed. [2022-11-16 11:08:28,165 INFO L895 garLoopResultBuilder]: At program point L122(lines 22 123) the Hoare annotation is: false [2022-11-16 11:08:28,165 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:08:28,165 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:08:28,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:08:28,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 11:08:28,166 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 11:08:28,166 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 11:08:28,166 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 11:08:28,171 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 11:08:28,174 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:08:28,186 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] [2022-11-16 11:08:28,189 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] [2022-11-16 11:08:28,190 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] [2022-11-16 11:08:28,195 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] [2022-11-16 11:08:28,195 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] [2022-11-16 11:08:28,196 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] [2022-11-16 11:08:28,197 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] [2022-11-16 11:08:28,197 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] [2022-11-16 11:08:28,205 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] [2022-11-16 11:08:28,214 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] [2022-11-16 11:08:28,215 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] [2022-11-16 11:08:28,215 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] [2022-11-16 11:08:28,216 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] [2022-11-16 11:08:28,216 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] [2022-11-16 11:08:28,217 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] [2022-11-16 11:08:28,217 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] [2022-11-16 11:08:28,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:08:28 BoogieIcfgContainer [2022-11-16 11:08:28,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:08:28,233 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:08:28,233 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:08:28,234 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:08:28,234 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:08:12" (3/4) ... [2022-11-16 11:08:28,238 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:08:28,254 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 11:08:28,255 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 11:08:28,255 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:08:28,291 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) [2022-11-16 11:08:28,323 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:08:28,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:08:28,325 INFO L158 Benchmark]: Toolchain (without parser) took 17255.40ms. Allocated memory was 56.6MB in the beginning and 155.2MB in the end (delta: 98.6MB). Free memory was 34.3MB in the beginning and 94.3MB in the end (delta: -60.0MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,325 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:28,326 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.95ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 39.5MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,326 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.27ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:08:28,327 INFO L158 Benchmark]: Boogie Preprocessor took 72.71ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 36.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,327 INFO L158 Benchmark]: RCFGBuilder took 543.63ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 51.8MB in the end (delta: -15.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,328 INFO L158 Benchmark]: TraceAbstraction took 15998.04ms. Allocated memory was 69.2MB in the beginning and 155.2MB in the end (delta: 86.0MB). Free memory was 51.3MB in the beginning and 97.4MB in the end (delta: -46.2MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,328 INFO L158 Benchmark]: Witness Printer took 90.85ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 94.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 11:08:28,332 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 56.6MB. Free memory was 37.9MB in the beginning and 37.8MB in the end (delta: 44.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.95ms. Allocated memory is still 56.6MB. Free memory was 34.1MB in the beginning and 39.5MB in the end (delta: -5.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.27ms. Allocated memory is still 56.6MB. Free memory was 39.4MB in the beginning and 37.6MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 72.71ms. Allocated memory is still 56.6MB. Free memory was 37.6MB in the beginning and 36.2MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 543.63ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 36.2MB in the beginning and 51.8MB in the end (delta: -15.6MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * TraceAbstraction took 15998.04ms. Allocated memory was 69.2MB in the beginning and 155.2MB in the end (delta: 86.0MB). Free memory was 51.3MB in the beginning and 97.4MB in the end (delta: -46.2MB). Peak memory consumption was 91.5MB. Max. memory is 16.1GB. * Witness Printer took 90.85ms. Allocated memory is still 155.2MB. Free memory was 97.4MB in the beginning and 94.3MB 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: 15.8s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 4.2s, 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, 8.1s 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, 9.4s 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 [2022-11-16 11:08:28,360 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] [2022-11-16 11:08:28,360 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] [2022-11-16 11:08:28,361 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] [2022-11-16 11:08:28,361 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] [2022-11-16 11:08:28,361 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] [2022-11-16 11:08:28,362 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] [2022-11-16 11:08:28,362 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] [2022-11-16 11:08:28,363 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] [2022-11-16 11:08:28,365 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] [2022-11-16 11:08:28,369 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] [2022-11-16 11:08:28,369 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] [2022-11-16 11:08:28,370 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] [2022-11-16 11:08:28,370 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] [2022-11-16 11:08:28,375 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] [2022-11-16 11:08:28,375 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] [2022-11-16 11:08:28,376 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! [2022-11-16 11:08:28,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1be14e5-2a57-4832-abdd-8846d229b9c7/bin/uautomizer-tPACEb0tL8/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