./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro --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 7b74b495a5e861e829e40f2b5977babf1bbd6b873265ff46d461edc75bc3a847 --- 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-8393723 [2022-11-18 18:34:59,325 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:34:59,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:34:59,359 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:34:59,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:34:59,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:34:59,368 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:34:59,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:34:59,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:34:59,372 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:34:59,372 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:34:59,373 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:34:59,374 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:34:59,375 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:34:59,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:34:59,377 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:34:59,378 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:34:59,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:34:59,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:34:59,398 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:34:59,399 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:34:59,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:34:59,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:34:59,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:34:59,410 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:34:59,410 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:34:59,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:34:59,411 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:34:59,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:34:59,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:34:59,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:34:59,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:34:59,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:34:59,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:34:59,426 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:34:59,427 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:34:59,427 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:34:59,428 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:34:59,428 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:34:59,430 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:34:59,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:34:59,431 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 18:34:59,472 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:34:59,472 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:34:59,472 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:34:59,473 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:34:59,474 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:34:59,474 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:34:59,475 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:34:59,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:34:59,475 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:34:59,476 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:34:59,477 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:34:59,477 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:34:59,477 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:34:59,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:34:59,478 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:34:59,478 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:34:59,478 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:34:59,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:34:59,479 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:34:59,479 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:34:59,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:34:59,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:34:59,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:34:59,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:34:59,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:34:59,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:34:59,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:34:59,480 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:34:59,481 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:34:59,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:34:59,481 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_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b74b495a5e861e829e40f2b5977babf1bbd6b873265ff46d461edc75bc3a847 [2022-11-18 18:34:59,735 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:34:59,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:34:59,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:34:59,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:34:59,767 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:34:59,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2022-11-18 18:34:59,845 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/6a9c45441/21b28d66f3fe45e09308b2282ed7614b/FLAGbdc0feb47 [2022-11-18 18:35:00,437 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:35:00,438 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2022-11-18 18:35:00,451 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/6a9c45441/21b28d66f3fe45e09308b2282ed7614b/FLAGbdc0feb47 [2022-11-18 18:35:00,676 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/6a9c45441/21b28d66f3fe45e09308b2282ed7614b [2022-11-18 18:35:00,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:35:00,680 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:35:00,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:35:00,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:35:00,687 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:35:00,688 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:35:00" (1/1) ... [2022-11-18 18:35:00,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29a60388 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:00, skipping insertion in model container [2022-11-18 18:35:00,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:35:00" (1/1) ... [2022-11-18 18:35:00,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:35:00,762 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:35:01,015 WARN L234 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_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1107,1120] [2022-11-18 18:35:01,313 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:35:01,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:35:01,336 WARN L234 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_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1107,1120] [2022-11-18 18:35:01,463 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:35:01,475 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:35:01,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01 WrapperNode [2022-11-18 18:35:01,476 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:35:01,477 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:35:01,477 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:35:01,477 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:35:01,485 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,531 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,662 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1526 [2022-11-18 18:35:01,662 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:35:01,663 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:35:01,664 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:35:01,664 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:35:01,673 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,673 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,730 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,751 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,757 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,783 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:35:01,784 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:35:01,784 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:35:01,784 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:35:01,794 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (1/1) ... [2022-11-18 18:35:01,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:35:01,810 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:35:01,823 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:35:01,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:35:01,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:35:01,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:35:02,260 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:35:02,262 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:35:03,377 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:35:03,385 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:35:03,386 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:35:03,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:03 BoogieIcfgContainer [2022-11-18 18:35:03,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:35:03,390 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:35:03,390 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:35:03,394 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:35:03,394 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:35:00" (1/3) ... [2022-11-18 18:35:03,395 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633ab8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:03, skipping insertion in model container [2022-11-18 18:35:03,396 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:01" (2/3) ... [2022-11-18 18:35:03,396 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@633ab8f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:03, skipping insertion in model container [2022-11-18 18:35:03,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:03" (3/3) ... [2022-11-18 18:35:03,399 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_DAIO.c [2022-11-18 18:35:03,421 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:35:03,421 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:35:03,472 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:35:03,479 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;@9695f66, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:35:03,479 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:35:03,484 INFO L276 IsEmpty]: Start isEmpty. Operand has 119 states, 117 states have (on average 1.6495726495726495) internal successors, (193), 118 states have internal predecessors, (193), 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) [2022-11-18 18:35:03,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-18 18:35:03,490 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:03,491 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:03,491 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:03,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:03,497 INFO L85 PathProgramCache]: Analyzing trace with hash -1909394218, now seen corresponding path program 1 times [2022-11-18 18:35:03,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:03,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [605313484] [2022-11-18 18:35:03,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:03,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:04,165 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:35:04,166 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [605313484] [2022-11-18 18:35:04,167 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [605313484] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:04,167 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:04,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:35:04,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325950418] [2022-11-18 18:35:04,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:04,175 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:35:04,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:35:04,214 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:35:04,215 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:35:04,219 INFO L87 Difference]: Start difference. First operand has 119 states, 117 states have (on average 1.6495726495726495) internal successors, (193), 118 states have internal predecessors, (193), 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 3.75) internal successors, (15), 4 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) [2022-11-18 18:35:04,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:04,373 INFO L93 Difference]: Finished difference Result 358 states and 592 transitions. [2022-11-18 18:35:04,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:35:04,376 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) Word has length 15 [2022-11-18 18:35:04,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:04,393 INFO L225 Difference]: With dead ends: 358 [2022-11-18 18:35:04,393 INFO L226 Difference]: Without dead ends: 241 [2022-11-18 18:35:04,396 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 [2022-11-18 18:35:04,399 INFO L413 NwaCegarLoop]: 210 mSDtfsCounter, 537 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 537 SdHoareTripleChecker+Valid, 438 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 [2022-11-18 18:35:04,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [537 Valid, 438 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 18:35:04,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2022-11-18 18:35:04,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 117. [2022-11-18 18:35:04,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.6293103448275863) internal successors, (189), 116 states have internal predecessors, (189), 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) [2022-11-18 18:35:04,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 189 transitions. [2022-11-18 18:35:04,448 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 189 transitions. Word has length 15 [2022-11-18 18:35:04,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:04,449 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 189 transitions. [2022-11-18 18:35:04,449 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 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) [2022-11-18 18:35:04,449 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 189 transitions. [2022-11-18 18:35:04,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-18 18:35:04,450 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:04,450 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:04,451 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:35:04,451 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:04,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:04,452 INFO L85 PathProgramCache]: Analyzing trace with hash 940046394, now seen corresponding path program 1 times [2022-11-18 18:35:04,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:35:04,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [714859518] [2022-11-18 18:35:04,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:04,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:35:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:35:04,506 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 18:35:04,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 18:35:04,614 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 18:35:04,614 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 18:35:04,616 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:35:04,618 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:35:04,625 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 18:35:04,628 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:35:04,735 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 18:35:04,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:35:04 BoogieIcfgContainer [2022-11-18 18:35:04,772 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:35:04,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:35:04,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:35:04,774 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:35:04,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:03" (3/4) ... [2022-11-18 18:35:04,777 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 18:35:04,777 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:35:04,779 INFO L158 Benchmark]: Toolchain (without parser) took 4098.31ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 98.2MB in the beginning and 161.3MB in the end (delta: -63.1MB). Peak memory consumption was 1.0MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,780 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 67.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:35:04,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 793.17ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 82.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 185.78ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 71.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,783 INFO L158 Benchmark]: Boogie Preprocessor took 120.22ms. Allocated memory is still 134.2MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,784 INFO L158 Benchmark]: RCFGBuilder took 1603.99ms. Allocated memory is still 134.2MB. Free memory was 65.1MB in the beginning and 66.7MB in the end (delta: -1.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,784 INFO L158 Benchmark]: TraceAbstraction took 1382.33ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 66.0MB in the beginning and 161.3MB in the end (delta: -95.3MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-18 18:35:04,785 INFO L158 Benchmark]: Witness Printer took 5.27ms. Allocated memory is still 199.2MB. Free memory is still 161.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:35:04,793 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 96.5MB. Free memory was 67.6MB in the beginning and 67.5MB in the end (delta: 21.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 793.17ms. Allocated memory is still 134.2MB. Free memory was 98.2MB in the beginning and 82.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 185.78ms. Allocated memory is still 134.2MB. Free memory was 82.6MB in the beginning and 71.4MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 120.22ms. Allocated memory is still 134.2MB. Free memory was 71.4MB in the beginning and 65.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1603.99ms. Allocated memory is still 134.2MB. Free memory was 65.1MB in the beginning and 66.7MB in the end (delta: -1.6MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1382.33ms. Allocated memory was 134.2MB in the beginning and 199.2MB in the end (delta: 65.0MB). Free memory was 66.0MB in the beginning and 161.3MB in the end (delta: -95.3MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * Witness Printer took 5.27ms. Allocated memory is still 199.2MB. Free memory is still 161.3MB. 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 296, overapproximation of bitwiseOr at line 294, overapproximation of bitwiseAnd at line 299. 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_10 mask_SORT_10 = (SORT_10)-1 >> (sizeof(SORT_10) * 8 - 4); [L29] const SORT_10 msb_SORT_10 = (SORT_10)1 << (4 - 1); [L31] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 32); [L32] const SORT_16 msb_SORT_16 = (SORT_16)1 << (32 - 1); [L34] const SORT_32 mask_SORT_32 = (SORT_32)-1 >> (sizeof(SORT_32) * 8 - 7); [L35] const SORT_32 msb_SORT_32 = (SORT_32)1 << (7 - 1); [L37] const SORT_40 mask_SORT_40 = (SORT_40)-1 >> (sizeof(SORT_40) * 8 - 9); [L38] const SORT_40 msb_SORT_40 = (SORT_40)1 << (9 - 1); [L40] const SORT_60 mask_SORT_60 = (SORT_60)-1 >> (sizeof(SORT_60) * 8 - 20); [L41] const SORT_60 msb_SORT_60 = (SORT_60)1 << (20 - 1); [L43] const SORT_357 mask_SORT_357 = (SORT_357)-1 >> (sizeof(SORT_357) * 8 - 2); [L44] const SORT_357 msb_SORT_357 = (SORT_357)1 << (2 - 1); [L46] const SORT_359 mask_SORT_359 = (SORT_359)-1 >> (sizeof(SORT_359) * 8 - 3); [L47] const SORT_359 msb_SORT_359 = (SORT_359)1 << (3 - 1); [L49] const SORT_1 var_13 = 0; [L50] const SORT_16 var_18 = 1; [L51] const SORT_16 var_23 = 0; [L52] const SORT_1 var_28 = 1; [L53] const SORT_32 var_33 = 0; [L54] const SORT_40 var_41 = 0; [L55] const SORT_10 var_48 = 0; [L56] const SORT_16 var_67 = 31; [L57] const SORT_16 var_71 = 32; [L58] const SORT_10 var_74 = 3; [L59] const SORT_16 var_90 = 2; [L60] const SORT_10 var_96 = 5; [L61] const SORT_10 var_117 = 7; [L62] const SORT_10 var_136 = 9; [L63] const SORT_32 var_233 = 4; [L64] const SORT_10 var_235 = 2; [L65] const SORT_32 var_254 = 1; [L66] const SORT_16 var_256 = 191; [L67] const SORT_10 var_259 = 6; [L68] const SORT_10 var_282 = 4; [L69] const SORT_10 var_307 = 8; [L70] const SORT_40 var_315 = 1; [L71] const SORT_10 var_321 = 10; [L72] const SORT_10 var_329 = 1; [L74] SORT_1 input_2; [L75] SORT_1 input_3; [L76] SORT_1 input_4; [L77] SORT_1 input_5; [L78] SORT_1 input_6; [L79] SORT_1 input_7; [L80] SORT_1 input_8; [L81] SORT_1 input_9; [L82] SORT_10 input_11; [L83] SORT_10 input_12; [L84] SORT_1 input_38; [L85] SORT_1 input_44; [L86] SORT_1 input_46; [L87] SORT_1 input_52; [L88] SORT_1 input_54; [L89] SORT_1 input_56; [L90] SORT_1 input_58; [L91] SORT_60 input_61; [L92] SORT_1 input_63; [L93] SORT_1 input_64; [L94] SORT_1 input_65; [L95] SORT_1 input_77; [L96] SORT_1 input_82; [L97] SORT_1 input_86; [L98] SORT_1 input_87; [L99] SORT_1 input_88; [L100] SORT_1 input_99; [L101] SORT_1 input_104; [L102] SORT_1 input_108; [L103] SORT_1 input_109; [L104] SORT_1 input_110; [L105] SORT_1 input_120; [L106] SORT_1 input_125; [L107] SORT_1 input_127; [L108] SORT_1 input_128; [L109] SORT_1 input_129; [L110] SORT_1 input_139; [L111] SORT_1 input_144; [L112] SORT_1 input_151; [L113] SORT_1 input_155; [L114] SORT_1 input_156; [L115] SORT_1 input_157; [L116] SORT_1 input_164; [L117] SORT_1 input_169; [L118] SORT_1 input_173; [L119] SORT_1 input_174; [L120] SORT_1 input_175; [L121] SORT_1 input_182; [L122] SORT_1 input_187; [L123] SORT_1 input_191; [L124] SORT_1 input_192; [L125] SORT_1 input_193; [L126] SORT_1 input_200; [L127] SORT_1 input_205; [L128] SORT_1 input_207; [L129] SORT_1 input_208; [L130] SORT_1 input_209; [L131] SORT_1 input_216; [L132] SORT_1 input_221; [L133] SORT_1 input_228; [L134] SORT_32 input_232; [L135] SORT_32 input_238; [L136] SORT_32 input_242; [L137] SORT_32 input_249; [L138] SORT_32 input_253; [L139] SORT_32 input_262; [L140] SORT_32 input_264; [L141] SORT_32 input_271; [L142] SORT_32 input_278; [L143] SORT_32 input_285; [L144] SORT_32 input_292; [L145] SORT_32 input_296; [L146] SORT_32 input_303; [L147] SORT_32 input_311; [L148] SORT_40 input_324; [L149] SORT_10 input_328; [L150] SORT_10 input_334; [L151] SORT_10 input_340; [L152] SORT_10 input_344; [L153] SORT_10 input_346; [L154] SORT_10 input_350; [L155] SORT_10 input_363; [L156] SORT_10 input_367; [L157] SORT_10 input_369; [L158] SORT_10 input_373; [L159] SORT_10 input_377; [L160] SORT_10 input_381; [L161] SORT_10 input_385; [L162] SORT_10 input_389; [L163] SORT_10 input_406; [L165] SORT_1 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L166] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L167] SORT_32 state_34 = __VERIFIER_nondet_uchar() & mask_SORT_32; [L168] SORT_32 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_32; [L169] SORT_40 state_42 = __VERIFIER_nondet_ushort() & mask_SORT_40; [L170] SORT_10 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_10; [L172] SORT_1 init_15_arg_1 = var_13; [L173] state_14 = init_15_arg_1 [L174] SORT_1 init_21_arg_1 = var_13; [L175] state_20 = init_21_arg_1 [L176] SORT_32 init_35_arg_1 = var_33; [L177] state_34 = init_35_arg_1 [L178] SORT_32 init_37_arg_1 = var_33; [L179] state_36 = init_37_arg_1 [L180] SORT_40 init_43_arg_1 = var_41; [L181] state_42 = init_43_arg_1 [L182] SORT_10 init_50_arg_1 = var_48; [L183] state_49 = init_50_arg_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_18=1, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L186] input_2 = __VERIFIER_nondet_uchar() [L187] input_3 = __VERIFIER_nondet_uchar() [L188] input_4 = __VERIFIER_nondet_uchar() [L189] input_5 = __VERIFIER_nondet_uchar() [L190] input_6 = __VERIFIER_nondet_uchar() [L191] input_6 = input_6 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_2=14, input_3=3, input_4=34, input_5=62, input_6=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_18=1, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L192] input_7 = __VERIFIER_nondet_uchar() [L193] input_8 = __VERIFIER_nondet_uchar() [L194] input_9 = __VERIFIER_nondet_uchar() [L195] input_9 = input_9 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_2=14, input_3=3, input_4=34, input_5=62, input_6=0, input_7=38, input_8=19, input_9=0, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_18=1, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L196] input_11 = __VERIFIER_nondet_uchar() [L197] input_12 = __VERIFIER_nondet_uchar() [L198] input_38 = __VERIFIER_nondet_uchar() [L199] input_44 = __VERIFIER_nondet_uchar() [L200] input_46 = __VERIFIER_nondet_uchar() [L201] input_52 = __VERIFIER_nondet_uchar() [L202] input_54 = __VERIFIER_nondet_uchar() [L203] input_56 = __VERIFIER_nondet_uchar() [L204] input_58 = __VERIFIER_nondet_uchar() [L205] input_61 = __VERIFIER_nondet_uint() [L206] input_63 = __VERIFIER_nondet_uchar() [L207] input_64 = __VERIFIER_nondet_uchar() [L208] input_65 = __VERIFIER_nondet_uchar() [L209] input_77 = __VERIFIER_nondet_uchar() [L210] input_82 = __VERIFIER_nondet_uchar() [L211] input_86 = __VERIFIER_nondet_uchar() [L212] input_87 = __VERIFIER_nondet_uchar() [L213] input_88 = __VERIFIER_nondet_uchar() [L214] input_99 = __VERIFIER_nondet_uchar() [L215] input_104 = __VERIFIER_nondet_uchar() [L216] input_108 = __VERIFIER_nondet_uchar() [L217] input_109 = __VERIFIER_nondet_uchar() [L218] input_110 = __VERIFIER_nondet_uchar() [L219] input_120 = __VERIFIER_nondet_uchar() [L220] input_125 = __VERIFIER_nondet_uchar() [L221] input_127 = __VERIFIER_nondet_uchar() [L222] input_128 = __VERIFIER_nondet_uchar() [L223] input_129 = __VERIFIER_nondet_uchar() [L224] input_139 = __VERIFIER_nondet_uchar() [L225] input_144 = __VERIFIER_nondet_uchar() [L226] input_151 = __VERIFIER_nondet_uchar() [L227] input_155 = __VERIFIER_nondet_uchar() [L228] input_156 = __VERIFIER_nondet_uchar() [L229] input_157 = __VERIFIER_nondet_uchar() [L230] input_164 = __VERIFIER_nondet_uchar() [L231] input_169 = __VERIFIER_nondet_uchar() [L232] input_173 = __VERIFIER_nondet_uchar() [L233] input_174 = __VERIFIER_nondet_uchar() [L234] input_175 = __VERIFIER_nondet_uchar() [L235] input_182 = __VERIFIER_nondet_uchar() [L236] input_187 = __VERIFIER_nondet_uchar() [L237] input_191 = __VERIFIER_nondet_uchar() [L238] input_192 = __VERIFIER_nondet_uchar() [L239] input_193 = __VERIFIER_nondet_uchar() [L240] input_200 = __VERIFIER_nondet_uchar() [L241] input_205 = __VERIFIER_nondet_uchar() [L242] input_207 = __VERIFIER_nondet_uchar() [L243] input_208 = __VERIFIER_nondet_uchar() [L244] input_209 = __VERIFIER_nondet_uchar() [L245] input_216 = __VERIFIER_nondet_uchar() [L246] input_221 = __VERIFIER_nondet_uchar() [L247] input_228 = __VERIFIER_nondet_uchar() [L248] input_232 = __VERIFIER_nondet_uchar() [L249] input_238 = __VERIFIER_nondet_uchar() [L250] input_242 = __VERIFIER_nondet_uchar() [L251] input_249 = __VERIFIER_nondet_uchar() [L252] input_253 = __VERIFIER_nondet_uchar() [L253] input_262 = __VERIFIER_nondet_uchar() [L254] input_264 = __VERIFIER_nondet_uchar() [L255] input_271 = __VERIFIER_nondet_uchar() [L256] input_278 = __VERIFIER_nondet_uchar() [L257] input_285 = __VERIFIER_nondet_uchar() [L258] input_292 = __VERIFIER_nondet_uchar() [L259] input_296 = __VERIFIER_nondet_uchar() [L260] input_303 = __VERIFIER_nondet_uchar() [L261] input_311 = __VERIFIER_nondet_uchar() [L262] input_324 = __VERIFIER_nondet_ushort() [L263] input_328 = __VERIFIER_nondet_uchar() [L264] input_334 = __VERIFIER_nondet_uchar() [L265] input_340 = __VERIFIER_nondet_uchar() [L266] input_344 = __VERIFIER_nondet_uchar() [L267] input_346 = __VERIFIER_nondet_uchar() [L268] input_350 = __VERIFIER_nondet_uchar() [L269] input_363 = __VERIFIER_nondet_uchar() [L270] input_367 = __VERIFIER_nondet_uchar() [L271] input_369 = __VERIFIER_nondet_uchar() [L272] input_373 = __VERIFIER_nondet_uchar() [L273] input_377 = __VERIFIER_nondet_uchar() [L274] input_381 = __VERIFIER_nondet_uchar() [L275] input_385 = __VERIFIER_nondet_uchar() [L276] input_389 = __VERIFIER_nondet_uchar() [L277] input_406 = __VERIFIER_nondet_uchar() [L280] SORT_1 var_17_arg_0 = state_14; VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17_arg_0=0, var_18=1, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L281] var_17_arg_0 = var_17_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17_arg_0=0, var_18=1, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L282] SORT_16 var_17 = var_17_arg_0; [L283] SORT_16 var_19_arg_0 = var_17; [L284] SORT_16 var_19_arg_1 = var_18; [L285] SORT_1 var_19 = var_19_arg_0 == var_19_arg_1; [L286] SORT_1 var_22_arg_0 = state_20; VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17=0, var_17_arg_0=0, var_18=1, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22_arg_0=0, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L287] var_22_arg_0 = var_22_arg_0 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17=0, var_17_arg_0=0, var_18=1, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22_arg_0=0, var_23=0, var_233=4, var_235=2, var_254=1, var_256=191, var_259=6, var_28=1, var_282=4, var_307=8, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L288] SORT_16 var_22 = var_22_arg_0; [L289] SORT_16 var_24_arg_0 = var_22; [L290] SORT_16 var_24_arg_1 = var_23; [L291] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L292] SORT_1 var_25_arg_0 = var_19; [L293] SORT_1 var_25_arg_1 = var_24; [L294] SORT_1 var_25 = var_25_arg_0 | var_25_arg_1; [L295] SORT_1 var_29_arg_0 = var_25; [L296] SORT_1 var_29 = ~var_29_arg_0; [L297] SORT_1 var_30_arg_0 = var_28; [L298] SORT_1 var_30_arg_1 = var_29; [L299] SORT_1 var_30 = var_30_arg_0 & var_30_arg_1; VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17=0, var_17_arg_0=0, var_18=1, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_233=4, var_235=2, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=1, var_254=1, var_256=191, var_259=6, var_25_arg_0=0, var_25_arg_1=1, var_28=1, var_282=4, var_29=255, var_29_arg_0=1, var_30=1, var_307=8, var_30_arg_0=1, var_30_arg_1=255, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L300] var_30 = var_30 & mask_SORT_1 VAL [init_15_arg_1=0, init_21_arg_1=0, init_35_arg_1=0, init_37_arg_1=0, init_43_arg_1=0, init_50_arg_1=0, input_104=16, input_108=81, input_109=69, input_11=43, input_110=15, input_12=64, input_120=78, input_125=7, input_127=50, input_128=79, input_129=8, input_139=52, input_144=71, input_151=61, input_155=53, input_156=55, input_157=1, input_164=24, input_169=37, input_173=63, input_174=74, input_175=41, input_182=87, input_187=18, input_191=25, input_192=76, input_193=83, input_2=14, input_200=23, input_205=80, input_207=57, input_208=75, input_209=29, input_216=67, input_221=42, input_228=85, input_232=82, input_238=39, input_242=2, input_249=6, input_253=10, input_262=44, input_264=49, input_271=17, input_278=28, input_285=27, input_292=73, input_296=13, input_3=3, input_303=5, input_311=68, input_324=70, input_328=4, input_334=60, input_340=9, input_344=72, input_346=21, input_350=59, input_363=12, input_367=32, input_369=11, input_373=77, input_377=66, input_38=36, input_381=35, input_385=31, input_389=58, input_4=34, input_406=22, input_44=26, input_46=51, input_5=62, input_52=30, input_54=33, input_56=86, input_58=65, input_6=0, input_61=2147483688, input_63=46, input_64=56, input_65=84, input_7=38, input_77=45, input_8=19, input_82=47, input_86=54, input_87=88, input_88=20, input_9=0, input_99=48, mask_SORT_1=1, mask_SORT_10=15, mask_SORT_16=4294967295, mask_SORT_32=127, mask_SORT_357=3, mask_SORT_359=7, mask_SORT_40=511, mask_SORT_60=4294967295, msb_SORT_1=1, msb_SORT_10=8, msb_SORT_16=2147483648, msb_SORT_32=64, msb_SORT_357=2, msb_SORT_359=4, msb_SORT_40=256, msb_SORT_60=524288, state_14=0, state_20=0, state_34=0, state_36=0, state_42=0, state_49=0, var_117=7, var_13=0, var_136=9, var_17=0, var_17_arg_0=0, var_18=1, var_19=0, var_19_arg_0=0, var_19_arg_1=1, var_22=0, var_22_arg_0=0, var_23=0, var_233=4, var_235=2, var_24=1, var_24_arg_0=0, var_24_arg_1=0, var_25=1, var_254=1, var_256=191, var_259=6, var_25_arg_0=0, var_25_arg_1=1, var_28=1, var_282=4, var_29=255, var_29_arg_0=1, var_30=1, var_307=8, var_30_arg_0=1, var_30_arg_1=255, var_315=1, var_321=10, var_329=1, var_33=0, var_41=0, var_48=0, var_67=31, var_71=32, var_74=3, var_90=2, var_96=5] [L301] SORT_1 bad_31_arg_0 = var_30; [L302] CALL __VERIFIER_assert(!(bad_31_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, 119 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 537 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 537 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 228 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 210 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=119occurred 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, 124 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 31 NumberOfCodeBlocks, 31 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 19 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 [2022-11-18 18:35:04,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro --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 7b74b495a5e861e829e40f2b5977babf1bbd6b873265ff46d461edc75bc3a847 --- 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-8393723 [2022-11-18 18:35:07,166 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:35:07,168 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:35:07,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:35:07,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:35:07,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:35:07,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:35:07,195 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:35:07,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:35:07,198 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:35:07,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:35:07,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:35:07,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:35:07,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:35:07,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:35:07,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:35:07,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:35:07,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:35:07,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:35:07,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:35:07,212 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:35:07,213 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:35:07,215 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:35:07,216 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:35:07,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:35:07,220 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:35:07,221 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:35:07,222 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:35:07,222 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:35:07,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:35:07,223 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:35:07,224 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:35:07,225 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:35:07,226 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:35:07,227 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:35:07,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:35:07,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:35:07,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:35:07,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:35:07,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:35:07,231 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:35:07,232 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 18:35:07,279 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:35:07,279 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:35:07,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:35:07,280 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:35:07,281 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:35:07,282 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:35:07,282 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:35:07,283 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:35:07,283 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:35:07,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:35:07,284 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:35:07,284 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:35:07,285 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:35:07,285 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:35:07,285 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 18:35:07,286 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 18:35:07,286 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 18:35:07,286 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:35:07,292 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:35:07,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:35:07,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:35:07,293 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:35:07,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:35:07,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:35:07,294 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:35:07,296 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:35:07,297 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:35:07,297 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 18:35:07,298 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 18:35:07,298 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:35:07,298 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:35:07,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:35:07,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 18:35:07,299 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_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b74b495a5e861e829e40f2b5977babf1bbd6b873265ff46d461edc75bc3a847 [2022-11-18 18:35:07,718 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:35:07,745 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:35:07,747 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:35:07,749 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:35:07,751 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:35:07,753 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2022-11-18 18:35:07,828 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/38d9aa4b0/977e9cdedf4546569783c0023f3a939b/FLAG01ac09aba [2022-11-18 18:35:08,427 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:35:08,428 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c [2022-11-18 18:35:08,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/38d9aa4b0/977e9cdedf4546569783c0023f3a939b/FLAG01ac09aba [2022-11-18 18:35:08,716 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/data/38d9aa4b0/977e9cdedf4546569783c0023f3a939b [2022-11-18 18:35:08,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:35:08,720 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:35:08,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:35:08,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:35:08,730 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:35:08,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:35:08" (1/1) ... [2022-11-18 18:35:08,732 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e6e4a33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:08, skipping insertion in model container [2022-11-18 18:35:08,732 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:35:08" (1/1) ... [2022-11-18 18:35:08,740 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:35:08,805 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:35:08,981 WARN L234 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_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1107,1120] [2022-11-18 18:35:09,296 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:35:09,300 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:35:09,311 WARN L234 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_3984616f-2222-47df-b385-42c98f5856ad/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.v_DAIO.c[1107,1120] [2022-11-18 18:35:09,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:35:09,460 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:35:09,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09 WrapperNode [2022-11-18 18:35:09,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:35:09,463 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:35:09,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:35:09,463 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:35:09,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,641 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1274 [2022-11-18 18:35:09,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:35:09,644 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:35:09,644 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:35:09,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:35:09,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,655 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,711 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,716 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,721 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,736 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:35:09,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:35:09,737 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:35:09,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:35:09,739 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (1/1) ... [2022-11-18 18:35:09,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:35:09,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:35:09,771 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:35:09,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:35:09,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:35:09,840 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:35:10,291 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:35:10,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:35:11,737 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:35:11,745 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:35:11,745 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 18:35:11,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:11 BoogieIcfgContainer [2022-11-18 18:35:11,749 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:35:11,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:35:11,754 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:35:11,757 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:35:11,757 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:35:08" (1/3) ... [2022-11-18 18:35:11,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1783f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:11, skipping insertion in model container [2022-11-18 18:35:11,758 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:35:09" (2/3) ... [2022-11-18 18:35:11,758 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b1783f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:35:11, skipping insertion in model container [2022-11-18 18:35:11,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:35:11" (3/3) ... [2022-11-18 18:35:11,760 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.v_DAIO.c [2022-11-18 18:35:11,779 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:35:11,779 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:35:11,852 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:35:11,861 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;@606f3971, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:35:11,861 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:35:11,865 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) [2022-11-18 18:35:11,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 18:35:11,872 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:11,872 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 18:35:11,873 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:11,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:11,880 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 18:35:11,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:35:11,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2090614162] [2022-11-18 18:35:11,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:11,896 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 [2022-11-18 18:35:11,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:35:11,907 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:35:11,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:12,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 18:35:12,296 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:35:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:12,485 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 18:35:12,486 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:35:12,486 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2090614162] [2022-11-18 18:35:12,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2090614162] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:35:12,487 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:35:12,487 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 18:35:12,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494907450] [2022-11-18 18:35:12,489 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:35:12,493 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 18:35:12,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:35:12,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 18:35:12,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 18:35:12,526 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) [2022-11-18 18:35:12,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:12,806 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 18:35:12,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:35:12,812 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 [2022-11-18 18:35:12,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:12,820 INFO L225 Difference]: With dead ends: 20 [2022-11-18 18:35:12,821 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 18:35:12,823 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:35:12,828 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:12,831 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:35:12,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 18:35:12,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 18:35:12,859 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) [2022-11-18 18:35:12,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 18:35:12,862 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 18:35:12,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:12,862 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 18:35:12,863 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) [2022-11-18 18:35:12,863 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 18:35:12,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 18:35:12,863 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:12,864 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 18:35:12,881 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:13,075 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:13,077 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:13,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:13,078 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 18:35:13,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:35:13,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1424399750] [2022-11-18 18:35:13,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:35:13,082 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 [2022-11-18 18:35:13,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:35:13,084 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:35:13,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:35:13,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 1151 conjuncts, 61 conjunts are in the unsatisfiable core [2022-11-18 18:35:13,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:35:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:14,478 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:35:20,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:20,546 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:35:20,546 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1424399750] [2022-11-18 18:35:20,547 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1424399750] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 18:35:20,547 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 18:35:20,547 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-18 18:35:20,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417385650] [2022-11-18 18:35:20,565 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 18:35:20,567 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-18 18:35:20,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 18:35:20,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-18 18:35:20,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-18 18:35:20,570 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-18 18:35:20,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:35:20,639 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2022-11-18 18:35:20,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-18 18:35:20,640 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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 [2022-11-18 18:35:20,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:35:20,641 INFO L225 Difference]: With dead ends: 14 [2022-11-18 18:35:20,641 INFO L226 Difference]: Without dead ends: 12 [2022-11-18 18:35:20,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-11-18 18:35:20,643 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 5 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:35:20,644 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 16 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 5 Unchecked, 0.0s Time] [2022-11-18 18:35:20,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2022-11-18 18:35:20,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2022-11-18 18:35:20,647 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) [2022-11-18 18:35:20,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 18:35:20,648 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 18:35:20,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:35:20,648 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 18:35:20,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 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) [2022-11-18 18:35:20,649 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 18:35:20,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 18:35:20,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:35:20,650 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 18:35:20,677 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:20,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:20,863 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:35:20,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:35:20,863 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 18:35:20,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 18:35:20,865 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2021835368] [2022-11-18 18:35:20,865 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 18:35:20,865 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 [2022-11-18 18:35:20,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 18:35:20,871 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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) [2022-11-18 18:35:20,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:21,860 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 18:35:21,860 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 18:35:21,921 INFO L263 TraceCheckSpWp]: Trace formula consists of 2134 conjuncts, 197 conjunts are in the unsatisfiable core [2022-11-18 18:35:21,941 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 18:35:24,890 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:35:24,891 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 18:35:37,142 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 18:35:37,143 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2021835368] [2022-11-18 18:35:37,143 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-18 18:35:37,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:37,343 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/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 [2022-11-18 18:35:37,344 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: Maybe an infinite loop at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:345) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:188) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:65) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:61) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:295) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:281) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 18:35:37,349 INFO L158 Benchmark]: Toolchain (without parser) took 28628.98ms. Allocated memory was 77.6MB in the beginning and 520.1MB in the end (delta: 442.5MB). Free memory was 59.9MB in the beginning and 277.7MB in the end (delta: -217.8MB). Peak memory consumption was 274.2MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,349 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:35:37,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 740.86ms. Allocated memory is still 77.6MB. Free memory was 59.6MB in the beginning and 35.4MB in the end (delta: 24.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 180.67ms. Allocated memory is still 77.6MB. Free memory was 35.4MB in the beginning and 50.8MB in the end (delta: -15.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,351 INFO L158 Benchmark]: Boogie Preprocessor took 92.53ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 45.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,355 INFO L158 Benchmark]: RCFGBuilder took 2012.15ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 45.3MB in the beginning and 72.8MB in the end (delta: -27.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,356 INFO L158 Benchmark]: TraceAbstraction took 25594.97ms. Allocated memory was 121.6MB in the beginning and 520.1MB in the end (delta: 398.5MB). Free memory was 71.9MB in the beginning and 277.7MB in the end (delta: -205.8MB). Peak memory consumption was 242.4MB. Max. memory is 16.1GB. [2022-11-18 18:35:37,360 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 77.6MB. Free memory is still 58.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 740.86ms. Allocated memory is still 77.6MB. Free memory was 59.6MB in the beginning and 35.4MB in the end (delta: 24.3MB). Peak memory consumption was 24.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 180.67ms. Allocated memory is still 77.6MB. Free memory was 35.4MB in the beginning and 50.8MB in the end (delta: -15.4MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 92.53ms. Allocated memory is still 77.6MB. Free memory was 50.8MB in the beginning and 45.3MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 2012.15ms. Allocated memory was 77.6MB in the beginning and 121.6MB in the end (delta: 44.0MB). Free memory was 45.3MB in the beginning and 72.8MB in the end (delta: -27.5MB). Peak memory consumption was 37.9MB. Max. memory is 16.1GB. * TraceAbstraction took 25594.97ms. Allocated memory was 121.6MB in the beginning and 520.1MB in the end (delta: 398.5MB). Free memory was 71.9MB in the beginning and 277.7MB in the end (delta: -205.8MB). Peak memory consumption was 242.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 18:35:37,380 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3984616f-2222-47df-b385-42c98f5856ad/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop