./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b5fe367c9a890ae5613cb19b6f1be85d87bd259eb1f495691e3488afa1f5ae07 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:50:06,947 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:06,949 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:06,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:06,978 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:06,982 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:06,985 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:06,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:06,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:06,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:07,000 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:07,002 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:07,002 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:07,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:07,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:07,010 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:07,012 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:07,013 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:07,014 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:07,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:07,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:07,026 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:07,030 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:07,031 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:07,039 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:07,040 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:07,040 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:07,041 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:07,041 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:07,042 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:07,042 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:07,043 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:07,044 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:07,045 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:07,045 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:07,046 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:07,046 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:07,047 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:07,047 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:07,048 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:07,048 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:07,053 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:50:07,091 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:07,091 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:07,092 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:07,092 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:07,093 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:50:07,093 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:50:07,094 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:07,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:07,094 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:07,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:07,095 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:07,096 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:07,097 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:50:07,097 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:07,097 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:07,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:50:07,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:07,098 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:07,098 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:50:07,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:50:07,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:50:07,100 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:50:07,100 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:50:07,100 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:50:07,100 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:50:07,100 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_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5fe367c9a890ae5613cb19b6f1be85d87bd259eb1f495691e3488afa1f5ae07 [2022-11-16 12:50:07,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:07,375 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:07,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:07,382 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:07,383 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:07,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:07,495 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/67472519c/cc91bed1ffa64b68bbed7e338021e1a4/FLAGf70ad42de [2022-11-16 12:50:08,212 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:08,213 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:08,247 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/67472519c/cc91bed1ffa64b68bbed7e338021e1a4/FLAGf70ad42de [2022-11-16 12:50:08,442 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/67472519c/cc91bed1ffa64b68bbed7e338021e1a4 [2022-11-16 12:50:08,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:08,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:08,448 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:08,448 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:08,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:08,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:08" (1/1) ... [2022-11-16 12:50:08,459 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@603f0360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:08, skipping insertion in model container [2022-11-16 12:50:08,460 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:08" (1/1) ... [2022-11-16 12:50:08,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:08,574 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:08,862 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1107,1120] [2022-11-16 12:50:09,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:09,231 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:09,242 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1107,1120] [2022-11-16 12:50:09,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:09,492 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:09,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09 WrapperNode [2022-11-16 12:50:09,494 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:09,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:09,497 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:09,497 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:09,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,757 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2361 [2022-11-16 12:50:09,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:09,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:09,759 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:09,759 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:09,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,798 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,853 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,883 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,897 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:09,942 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:09,943 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:09,943 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:09,944 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (1/1) ... [2022-11-16 12:50:09,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:09,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:09,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:10,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:10,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:10,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:10,555 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:10,559 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:12,195 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:12,209 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:12,209 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:50:12,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:12 BoogieIcfgContainer [2022-11-16 12:50:12,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:12,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:50:12,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:50:12,219 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:50:12,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:50:08" (1/3) ... [2022-11-16 12:50:12,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c51a02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:12, skipping insertion in model container [2022-11-16 12:50:12,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:09" (2/3) ... [2022-11-16 12:50:12,221 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c51a02e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:12, skipping insertion in model container [2022-11-16 12:50:12,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:12" (3/3) ... [2022-11-16 12:50:12,223 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:12,242 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:50:12,242 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:50:12,297 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:50:12,303 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;@210df7b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:50:12,304 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:50:12,309 INFO L276 IsEmpty]: Start isEmpty. Operand has 218 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 217 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:12,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 12:50:12,315 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:12,315 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:12,316 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:12,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:12,322 INFO L85 PathProgramCache]: Analyzing trace with hash -327482853, now seen corresponding path program 1 times [2022-11-16 12:50:12,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:12,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44980733] [2022-11-16 12:50:12,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:12,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:12,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:12,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:12,857 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:50:12,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44980733] [2022-11-16 12:50:12,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44980733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:12,859 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:12,859 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:12,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999207951] [2022-11-16 12:50:12,862 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:12,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:12,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:50:12,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:12,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:12,905 INFO L87 Difference]: Start difference. First operand has 218 states, 216 states have (on average 1.6574074074074074) internal successors, (358), 217 states have internal predecessors, (358), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:13,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:13,049 INFO L93 Difference]: Finished difference Result 646 states and 1072 transitions. [2022-11-16 12:50:13,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:13,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-16 12:50:13,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:13,066 INFO L225 Difference]: With dead ends: 646 [2022-11-16 12:50:13,066 INFO L226 Difference]: Without dead ends: 430 [2022-11-16 12:50:13,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:50:13,074 INFO L413 NwaCegarLoop]: 360 mSDtfsCounter, 1032 mSDsluCounter, 363 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1032 SdHoareTripleChecker+Valid, 723 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:50:13,076 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1032 Valid, 723 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:50:13,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2022-11-16 12:50:13,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 216. [2022-11-16 12:50:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 215 states have (on average 1.6465116279069767) internal successors, (354), 215 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:13,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 354 transitions. [2022-11-16 12:50:13,162 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 354 transitions. Word has length 9 [2022-11-16 12:50:13,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:13,163 INFO L495 AbstractCegarLoop]: Abstraction has 216 states and 354 transitions. [2022-11-16 12:50:13,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:13,163 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 354 transitions. [2022-11-16 12:50:13,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-16 12:50:13,180 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:13,180 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:13,180 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:50:13,181 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:13,181 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:13,181 INFO L85 PathProgramCache]: Analyzing trace with hash -1560249297, now seen corresponding path program 1 times [2022-11-16 12:50:13,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:50:13,182 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047157481] [2022-11-16 12:50:13,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:13,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:50:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:13,226 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:50:13,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:50:13,306 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:50:13,306 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:50:13,308 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:50:13,310 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:50:13,314 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:50:13,317 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:50:13,355 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:50:13,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:50:13 BoogieIcfgContainer [2022-11-16 12:50:13,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:50:13,366 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:50:13,366 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:50:13,367 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:50:13,367 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:12" (3/4) ... [2022-11-16 12:50:13,370 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:50:13,370 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:50:13,371 INFO L158 Benchmark]: Toolchain (without parser) took 4924.97ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 79.0MB in the beginning and 121.3MB in the end (delta: -42.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,372 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:13,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1046.52ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 45.8MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 261.91ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 73.0MB in the end (delta: -27.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,374 INFO L158 Benchmark]: Boogie Preprocessor took 182.67ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 63.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,374 INFO L158 Benchmark]: RCFGBuilder took 2270.17ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 63.2MB in the beginning and 90.4MB in the end (delta: -27.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,375 INFO L158 Benchmark]: TraceAbstraction took 1150.81ms. Allocated memory is still 172.0MB. Free memory was 90.4MB in the beginning and 121.3MB in the end (delta: -30.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. [2022-11-16 12:50:13,375 INFO L158 Benchmark]: Witness Printer took 4.23ms. Allocated memory is still 172.0MB. Free memory is still 121.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:50:13,378 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 27.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1046.52ms. Allocated memory is still 117.4MB. Free memory was 78.9MB in the beginning and 45.8MB in the end (delta: 33.1MB). Peak memory consumption was 31.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 261.91ms. Allocated memory is still 117.4MB. Free memory was 45.8MB in the beginning and 73.0MB in the end (delta: -27.2MB). Peak memory consumption was 12.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 182.67ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 63.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 2270.17ms. Allocated memory was 117.4MB in the beginning and 172.0MB in the end (delta: 54.5MB). Free memory was 63.2MB in the beginning and 90.4MB in the end (delta: -27.2MB). Peak memory consumption was 51.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1150.81ms. Allocated memory is still 172.0MB. Free memory was 90.4MB in the beginning and 121.3MB in the end (delta: -30.8MB). Peak memory consumption was 32.0MB. Max. memory is 16.1GB. * Witness Printer took 4.23ms. Allocated memory is still 172.0MB. Free memory is still 121.3MB. 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 145, overapproximation of bitwiseAnd at line 149. 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_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 4); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (4 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 5); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (5 - 1); [L34] const SORT_22 mask_SORT_22 = (SORT_22)-1 >> (sizeof(SORT_22) * 8 - 32); [L35] const SORT_22 msb_SORT_22 = (SORT_22)1 << (32 - 1); [L37] const SORT_7 var_8 = 0; [L38] const SORT_7 var_11 = 16; [L39] const SORT_1 var_15 = 1; [L40] const SORT_1 var_19 = 0; [L41] const SORT_22 var_23 = 0; [L42] const SORT_22 var_24 = 15; [L43] const SORT_22 var_74 = 14; [L44] const SORT_22 var_92 = 13; [L45] const SORT_22 var_110 = 12; [L46] const SORT_22 var_128 = 11; [L47] const SORT_22 var_146 = 10; [L48] const SORT_22 var_164 = 9; [L49] const SORT_22 var_182 = 8; [L50] const SORT_22 var_200 = 7; [L51] const SORT_22 var_218 = 6; [L52] const SORT_22 var_236 = 5; [L53] const SORT_22 var_254 = 4; [L54] const SORT_22 var_272 = 3; [L55] const SORT_22 var_290 = 2; [L56] const SORT_22 var_308 = 1; [L57] const SORT_22 var_350 = 16; [L58] const SORT_4 var_356 = 0; [L60] SORT_1 input_2; [L61] SORT_1 input_3; [L62] SORT_4 input_5; [L63] SORT_1 input_6; [L64] SORT_1 input_345; [L65] SORT_4 input_347; [L66] SORT_1 input_386; [L67] SORT_4 input_388; [L68] SORT_1 input_404; [L69] SORT_4 input_408; [L71] SORT_7 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_7; [L72] SORT_1 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L73] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L74] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L75] SORT_1 state_30 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L76] SORT_1 state_32 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L77] SORT_1 state_36 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L78] SORT_1 state_38 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L79] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L80] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L81] SORT_1 state_48 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L82] SORT_1 state_50 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L83] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L84] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L85] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L86] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L87] SORT_1 state_64 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L88] SORT_1 state_66 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L90] SORT_7 init_10_arg_1 = var_8; [L91] state_9 = init_10_arg_1 [L92] SORT_1 init_21_arg_1 = var_19; [L93] state_20 = init_21_arg_1 [L94] SORT_1 init_26_arg_1 = var_19; [L95] state_25 = init_26_arg_1 [L96] SORT_1 init_28_arg_1 = var_19; [L97] state_27 = init_28_arg_1 [L98] SORT_1 init_31_arg_1 = var_19; [L99] state_30 = init_31_arg_1 [L100] SORT_1 init_33_arg_1 = var_19; [L101] state_32 = init_33_arg_1 [L102] SORT_1 init_37_arg_1 = var_19; [L103] state_36 = init_37_arg_1 [L104] SORT_1 init_39_arg_1 = var_19; [L105] state_38 = init_39_arg_1 [L106] SORT_1 init_42_arg_1 = var_19; [L107] state_41 = init_42_arg_1 [L108] SORT_1 init_44_arg_1 = var_19; [L109] state_43 = init_44_arg_1 [L110] SORT_1 init_49_arg_1 = var_19; [L111] state_48 = init_49_arg_1 [L112] SORT_1 init_51_arg_1 = var_19; [L113] state_50 = init_51_arg_1 [L114] SORT_1 init_54_arg_1 = var_19; [L115] state_53 = init_54_arg_1 [L116] SORT_1 init_56_arg_1 = var_19; [L117] state_55 = init_56_arg_1 [L118] SORT_1 init_60_arg_1 = var_19; [L119] state_59 = init_60_arg_1 [L120] SORT_1 init_62_arg_1 = var_19; [L121] state_61 = init_62_arg_1 [L122] SORT_1 init_65_arg_1 = var_19; [L123] state_64 = init_65_arg_1 [L124] SORT_1 init_67_arg_1 = var_19; [L125] state_66 = init_67_arg_1 VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_11=16, var_110=12, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_23=0, var_236=5, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13] [L128] input_2 = __VERIFIER_nondet_uchar() [L129] input_3 = __VERIFIER_nondet_uchar() [L130] input_5 = __VERIFIER_nondet_uchar() [L131] input_6 = __VERIFIER_nondet_uchar() [L132] input_6 = input_6 & mask_SORT_1 VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, input_2=3, input_3=6, input_5=4, input_6=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_11=16, var_110=12, var_128=11, var_146=10, var_15=1, var_164=9, var_182=8, var_19=0, var_200=7, var_218=6, var_23=0, var_236=5, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13] [L133] input_345 = __VERIFIER_nondet_uchar() [L134] input_347 = __VERIFIER_nondet_uchar() [L135] input_386 = __VERIFIER_nondet_uchar() [L136] input_388 = __VERIFIER_nondet_uchar() [L137] input_404 = __VERIFIER_nondet_uchar() [L138] input_408 = __VERIFIER_nondet_uchar() [L141] SORT_7 var_12_arg_0 = state_9; [L142] SORT_7 var_12_arg_1 = var_11; [L143] SORT_1 var_12 = var_12_arg_0 <= var_12_arg_1; [L144] SORT_1 var_16_arg_0 = var_12; [L145] SORT_1 var_16 = ~var_16_arg_0; [L146] SORT_1 var_17_arg_0 = var_15; [L147] SORT_1 var_17_arg_1 = var_16; [L148] SORT_1 var_17 = var_17_arg_0 & var_17_arg_1; VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, input_2=3, input_3=6, input_345=1, input_347=9, input_386=5, input_388=10, input_404=8, input_408=7, input_5=4, input_6=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_11=16, var_110=12, var_12=1, var_128=11, var_12_arg_0=0, var_12_arg_1=16, var_146=10, var_15=1, var_16=2, var_164=9, var_16_arg_0=1, var_17=2, var_17_arg_0=1, var_17_arg_1=2, var_182=8, var_19=0, var_200=7, var_218=6, var_23=0, var_236=5, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13] [L149] var_17 = var_17 & mask_SORT_1 VAL [init_10_arg_1=0, init_21_arg_1=0, init_26_arg_1=0, init_28_arg_1=0, init_31_arg_1=0, init_33_arg_1=0, init_37_arg_1=0, init_39_arg_1=0, init_42_arg_1=0, init_44_arg_1=0, init_49_arg_1=0, init_51_arg_1=0, init_54_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_62_arg_1=0, init_65_arg_1=0, init_67_arg_1=0, input_2=3, input_3=6, input_345=1, input_347=9, input_386=5, input_388=10, input_404=8, input_408=7, input_5=4, input_6=0, mask_SORT_1=1, mask_SORT_22=4294967295, mask_SORT_4=15, mask_SORT_7=31, msb_SORT_1=1, msb_SORT_22=2147483648, msb_SORT_4=8, msb_SORT_7=16, state_20=0, state_25=0, state_27=0, state_30=0, state_32=0, state_36=0, state_38=0, state_41=0, state_43=0, state_48=0, state_50=0, state_53=0, state_55=0, state_59=0, state_61=0, state_64=0, state_66=0, state_9=0, var_11=16, var_110=12, var_12=1, var_128=11, var_12_arg_0=0, var_12_arg_1=16, var_146=10, var_15=1, var_16=2, var_164=9, var_16_arg_0=1, var_17=1, var_17_arg_0=1, var_17_arg_1=2, var_182=8, var_19=0, var_200=7, var_218=6, var_23=0, var_236=5, var_24=15, var_254=4, var_272=3, var_290=2, var_308=1, var_350=16, var_356=0, var_74=14, var_8=0, var_92=13] [L150] SORT_1 bad_18_arg_0 = var_17; [L151] CALL __VERIFIER_assert(!(bad_18_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, 218 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1032 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1032 mSDsluCounter, 723 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 363 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 360 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=218occurred 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: 0.1s AutomataMinimizationTime, 1 MinimizatonAttempts, 214 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 13 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 12:50:13,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b5fe367c9a890ae5613cb19b6f1be85d87bd259eb1f495691e3488afa1f5ae07 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:50:15,753 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:50:15,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:50:15,782 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:50:15,783 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:50:15,785 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:50:15,787 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:50:15,788 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:50:15,790 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:50:15,791 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:50:15,792 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:50:15,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:50:15,794 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:50:15,795 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:50:15,796 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:50:15,798 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:50:15,799 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:50:15,800 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:50:15,801 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:50:15,803 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:50:15,805 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:50:15,806 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:50:15,808 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:50:15,809 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:50:15,812 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:50:15,813 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:50:15,813 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:50:15,814 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:50:15,815 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:50:15,816 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:50:15,816 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:50:15,817 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:50:15,818 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:50:15,819 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:50:15,820 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:50:15,820 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:50:15,821 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:50:15,822 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:50:15,822 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:50:15,823 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:50:15,824 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:50:15,825 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:50:15,856 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:50:15,857 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:50:15,857 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:50:15,857 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:50:15,858 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:50:15,858 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:50:15,859 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:50:15,859 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:50:15,860 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:50:15,860 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:50:15,860 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:50:15,860 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:50:15,861 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:50:15,861 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:50:15,861 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:50:15,861 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:50:15,861 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:50:15,862 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:50:15,862 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:50:15,862 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:50:15,862 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:50:15,863 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:50:15,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:50:15,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:15,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:50:15,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:50:15,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:50:15,864 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:50:15,864 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:50:15,865 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:50:15,865 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:50:15,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:50:15,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:50:15,865 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_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b5fe367c9a890ae5613cb19b6f1be85d87bd259eb1f495691e3488afa1f5ae07 [2022-11-16 12:50:16,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:50:16,279 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:50:16,282 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:50:16,284 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:50:16,285 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:50:16,286 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:16,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/779786540/1790ffb0fc3e47f6bce29cb1cf730d62/FLAG049ea07b8 [2022-11-16 12:50:17,018 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:50:17,020 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:17,041 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/779786540/1790ffb0fc3e47f6bce29cb1cf730d62/FLAG049ea07b8 [2022-11-16 12:50:17,240 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/data/779786540/1790ffb0fc3e47f6bce29cb1cf730d62 [2022-11-16 12:50:17,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:50:17,244 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:50:17,245 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:17,245 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:50:17,249 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:50:17,250 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:17" (1/1) ... [2022-11-16 12:50:17,251 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@350d8c08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:17, skipping insertion in model container [2022-11-16 12:50:17,251 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:50:17" (1/1) ... [2022-11-16 12:50:17,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:50:17,332 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:50:17,510 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1107,1120] [2022-11-16 12:50:17,884 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:17,888 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:50:17,916 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_buf_bug.c[1107,1120] [2022-11-16 12:50:18,091 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:50:18,106 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:50:18,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18 WrapperNode [2022-11-16 12:50:18,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:50:18,108 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:18,108 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:50:18,108 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:50:18,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,299 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1878 [2022-11-16 12:50:18,300 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:50:18,301 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:50:18,301 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:50:18,301 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:50:18,313 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,467 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,474 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,501 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:50:18,502 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:50:18,502 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:50:18,502 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:50:18,503 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (1/1) ... [2022-11-16 12:50:18,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:50:18,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:50:18,546 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:50:18,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:50:18,594 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:50:18,594 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:50:19,141 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:50:19,143 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:50:22,219 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:50:22,228 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:50:22,228 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:50:22,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:22 BoogieIcfgContainer [2022-11-16 12:50:22,230 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:50:22,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:50:22,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:50:22,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:50:22,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:50:17" (1/3) ... [2022-11-16 12:50:22,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b112c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:22, skipping insertion in model container [2022-11-16 12:50:22,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:50:18" (2/3) ... [2022-11-16 12:50:22,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55b112c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:50:22, skipping insertion in model container [2022-11-16 12:50:22,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:50:22" (3/3) ... [2022-11-16 12:50:22,240 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_buf_bug.c [2022-11-16 12:50:22,263 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:50:22,263 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:50:22,336 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:50:22,342 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;@2f0fe0a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:50:22,342 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:50:22,347 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:22,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:50:22,353 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:22,354 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:50:22,355 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:22,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:22,361 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:50:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:50:22,376 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1171216871] [2022-11-16 12:50:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:22,377 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:50:22,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:50:22,383 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:50:22,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:50:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:22,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:50:22,900 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:50:23,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:23,025 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:50:23,026 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:50:23,026 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1171216871] [2022-11-16 12:50:23,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1171216871] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:50:23,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:50:23,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:50:23,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793131768] [2022-11-16 12:50:23,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:50:23,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:50:23,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:50:23,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:50:23,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:50:23,063 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:23,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:50:23,342 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:50:23,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:50:23,346 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 12:50:23,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:50:23,355 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:50:23,355 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:50:23,358 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 [2022-11-16 12:50:23,363 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 [2022-11-16 12:50:23,368 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] [2022-11-16 12:50:23,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:50:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:50:23,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:23,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:50:23,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:50:23,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:50:23,405 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:50:23,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:50:23,406 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:50:23,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:50:23,406 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:50:23,407 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:50:23,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:50:23,620 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:50:23,620 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:50:23,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:50:23,621 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:50:23,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:50:23,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1530699987] [2022-11-16 12:50:23,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:50:23,627 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:50:23,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:50:23,629 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:50:23,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 12:50:24,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:50:24,824 INFO L263 TraceCheckSpWp]: Trace formula consists of 1768 conjuncts, 131 conjunts are in the unsatisfiable core [2022-11-16 12:50:24,849 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:50:27,031 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:50:27,031 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:52:44,186 WARN L233 SmtUtils]: Spent 2.21m on a formula simplification. DAG size of input: 524 DAG size of output: 476 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:52:44,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:52:44,763 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:52:44,763 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1530699987] [2022-11-16 12:52:44,763 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1530699987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:52:44,764 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:52:44,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:52:44,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428220680] [2022-11-16 12:52:44,765 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:52:44,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:52:44,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:52:44,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:52:44,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:52:44,768 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:45,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:52:45,281 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:52:45,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:52:45,282 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 12:52:45,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:52:45,283 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:52:45,283 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:52:45,283 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 133.2s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:52:45,284 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 12:52:45,285 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 10 Unchecked, 0.3s Time] [2022-11-16 12:52:45,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:52:45,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:52:45,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:52:45,290 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:52:45,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:52:45,291 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:52:45,291 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:52:45,291 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:52:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:52:45,291 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:52:45,292 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:52:45,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:52:45,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:52:45,493 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:52:45,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:52:45,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:52:45,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:52:45,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1209150492] [2022-11-16 12:52:45,498 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:52:45,498 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:52:45,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:52:45,500 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:52:45,508 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 12:52:47,408 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:52:47,408 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:52:47,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 3444 conjuncts, 443 conjunts are in the unsatisfiable core [2022-11-16 12:52:47,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:52:59,846 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:52:59,846 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1209150492] [2022-11-16 12:52:59,847 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-16 12:52:59,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:53:00,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:53:00,053 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$ApplicationTermTask.doStep(TermContextTransformationEngine.java:169) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:77) 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.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:199) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) 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) [2022-11-16 12:53:00,058 INFO L158 Benchmark]: Toolchain (without parser) took 162813.27ms. Allocated memory was 71.3MB in the beginning and 664.8MB in the end (delta: 593.5MB). Free memory was 50.2MB in the beginning and 239.9MB in the end (delta: -189.7MB). Peak memory consumption was 430.6MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,058 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:53:00,059 INFO L158 Benchmark]: CACSL2BoogieTranslator took 861.94ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 50.0MB in the beginning and 61.8MB in the end (delta: -11.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,059 INFO L158 Benchmark]: Boogie Procedure Inliner took 191.98ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 47.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,060 INFO L158 Benchmark]: Boogie Preprocessor took 200.84ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 55.9MB in the end (delta: -8.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,060 INFO L158 Benchmark]: RCFGBuilder took 3728.51ms. Allocated memory was 92.3MB in the beginning and 180.4MB in the end (delta: 88.1MB). Free memory was 55.5MB in the beginning and 126.1MB in the end (delta: -70.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,061 INFO L158 Benchmark]: TraceAbstraction took 157824.14ms. Allocated memory was 180.4MB in the beginning and 664.8MB in the end (delta: 484.4MB). Free memory was 126.1MB in the beginning and 239.9MB in the end (delta: -113.9MB). Peak memory consumption was 398.2MB. Max. memory is 16.1GB. [2022-11-16 12:53:00,064 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 71.3MB. Free memory is still 52.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 861.94ms. Allocated memory was 71.3MB in the beginning and 92.3MB in the end (delta: 21.0MB). Free memory was 50.0MB in the beginning and 61.8MB in the end (delta: -11.8MB). Peak memory consumption was 27.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 191.98ms. Allocated memory is still 92.3MB. Free memory was 61.4MB in the beginning and 47.8MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 200.84ms. Allocated memory is still 92.3MB. Free memory was 47.8MB in the beginning and 55.9MB in the end (delta: -8.1MB). Peak memory consumption was 13.3MB. Max. memory is 16.1GB. * RCFGBuilder took 3728.51ms. Allocated memory was 92.3MB in the beginning and 180.4MB in the end (delta: 88.1MB). Free memory was 55.5MB in the beginning and 126.1MB in the end (delta: -70.5MB). Peak memory consumption was 96.8MB. Max. memory is 16.1GB. * TraceAbstraction took 157824.14ms. Allocated memory was 180.4MB in the beginning and 664.8MB in the end (delta: 484.4MB). Free memory was 126.1MB in the beginning and 239.9MB in the end (delta: -113.9MB). Peak memory consumption was 398.2MB. 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. [2022-11-16 12:53:00,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2d8386a-8407-4abc-b79b-50313d9da300/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop