./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:40:28,290 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:40:28,293 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:40:28,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:40:28,325 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:40:28,326 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:40:28,327 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:40:28,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:40:28,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:40:28,331 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:40:28,332 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:40:28,334 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:40:28,334 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:40:28,335 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:40:28,336 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:40:28,337 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:40:28,338 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:40:28,339 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:40:28,341 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:40:28,343 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:40:28,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:40:28,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:40:28,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:40:28,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:40:28,353 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:40:28,353 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:40:28,354 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:40:28,355 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:40:28,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:40:28,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:40:28,357 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:40:28,358 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:40:28,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:40:28,360 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:40:28,361 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:40:28,361 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:40:28,362 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:40:28,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:40:28,363 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:40:28,364 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:40:28,365 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:40:28,366 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-18 20:40:28,387 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:40:28,388 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:40:28,388 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:40:28,388 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:40:28,389 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:40:28,389 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:40:28,390 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:40:28,390 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:40:28,391 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:40:28,391 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:40:28,391 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:40:28,391 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:40:28,392 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:40:28,392 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:40:28,392 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:40:28,392 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:40:28,393 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:40:28,393 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:40:28,393 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:40:28,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:40:28,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:40:28,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:28,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:40:28,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:40:28,394 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:40:28,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:40:28,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:40:28,395 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:40:28,395 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:40:28,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:40:28,396 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_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 [2022-11-18 20:40:28,619 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:40:28,657 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:40:28,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:40:28,662 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:40:28,663 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:40:28,665 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:28,733 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/4a3a91922/6994b7791e09415db7b1db7385e2348d/FLAG9d07a5450 [2022-11-18 20:40:29,460 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:40:29,461 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:29,477 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/4a3a91922/6994b7791e09415db7b1db7385e2348d/FLAG9d07a5450 [2022-11-18 20:40:29,627 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/4a3a91922/6994b7791e09415db7b1db7385e2348d [2022-11-18 20:40:29,634 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:40:29,637 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:40:29,640 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:29,640 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:40:29,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:40:29,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:29" (1/1) ... [2022-11-18 20:40:29,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a4e41cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:29, skipping insertion in model container [2022-11-18 20:40:29,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:29" (1/1) ... [2022-11-18 20:40:29,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:40:29,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:40:30,006 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-18 20:40:30,441 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:30,444 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:40:30,456 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-18 20:40:30,602 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:30,615 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:40:30,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30 WrapperNode [2022-11-18 20:40:30,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:30,619 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:30,619 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:40:30,619 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:40:30,627 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,696 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,886 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2836 [2022-11-18 20:40:30,887 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:30,888 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:40:30,888 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:40:30,888 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:40:30,898 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,898 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,917 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,917 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:30,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:31,004 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:31,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:31,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:31,099 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:40:31,102 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:40:31,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:40:31,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:40:31,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (1/1) ... [2022-11-18 20:40:31,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:31,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:31,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:31,174 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:40:31,194 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:40:31,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:40:31,776 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:40:31,778 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:40:34,567 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:40:34,581 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:40:34,581 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:40:34,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:34 BoogieIcfgContainer [2022-11-18 20:40:34,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:40:34,586 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:40:34,587 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:40:34,590 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:40:34,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:40:29" (1/3) ... [2022-11-18 20:40:34,591 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd85b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:34, skipping insertion in model container [2022-11-18 20:40:34,591 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:30" (2/3) ... [2022-11-18 20:40:34,592 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bd85b17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:34, skipping insertion in model container [2022-11-18 20:40:34,592 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:34" (3/3) ... [2022-11-18 20:40:34,594 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:34,614 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:40:34,614 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:40:34,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:40:34,695 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;@55dbb10b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:40:34,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:40:34,700 INFO L276 IsEmpty]: Start isEmpty. Operand has 164 states, 162 states have (on average 1.654320987654321) internal successors, (268), 163 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:34,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-18 20:40:34,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:34,708 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:34,708 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:34,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:34,713 INFO L85 PathProgramCache]: Analyzing trace with hash -327482853, now seen corresponding path program 1 times [2022-11-18 20:40:34,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:34,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [396004540] [2022-11-18 20:40:34,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:34,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:35,462 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:40:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [396004540] [2022-11-18 20:40:35,463 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [396004540] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:35,463 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:35,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:40:35,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560975775] [2022-11-18 20:40:35,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:35,470 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:40:35,470 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:40:35,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:40:35,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:40:35,500 INFO L87 Difference]: Start difference. First operand has 164 states, 162 states have (on average 1.654320987654321) internal successors, (268), 163 states have internal predecessors, (268), 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) [2022-11-18 20:40:35,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:35,645 INFO L93 Difference]: Finished difference Result 484 states and 802 transitions. [2022-11-18 20:40:35,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:40:35,648 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 [2022-11-18 20:40:35,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:35,659 INFO L225 Difference]: With dead ends: 484 [2022-11-18 20:40:35,674 INFO L226 Difference]: Without dead ends: 322 [2022-11-18 20:40:35,678 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:40:35,681 INFO L413 NwaCegarLoop]: 270 mSDtfsCounter, 762 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 762 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:35,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [762 Valid, 543 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-18 20:40:35,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2022-11-18 20:40:35,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 162. [2022-11-18 20:40:35,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 1.639751552795031) internal successors, (264), 161 states have internal predecessors, (264), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 264 transitions. [2022-11-18 20:40:35,757 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 264 transitions. Word has length 9 [2022-11-18 20:40:35,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:35,758 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 264 transitions. [2022-11-18 20:40:35,758 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) [2022-11-18 20:40:35,759 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 264 transitions. [2022-11-18 20:40:35,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-18 20:40:35,760 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:35,760 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:35,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:40:35,762 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:35,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:35,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1560249297, now seen corresponding path program 1 times [2022-11-18 20:40:35,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:40:35,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989755378] [2022-11-18 20:40:35,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:35,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:40:35,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:35,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 20:40:36,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 20:40:36,217 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 20:40:36,218 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-18 20:40:36,220 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 20:40:36,222 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:40:36,226 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-18 20:40:36,231 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:40:36,303 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-18 20:40:36,333 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:40:36 BoogieIcfgContainer [2022-11-18 20:40:36,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:40:36,334 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:40:36,334 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:40:36,334 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:40:36,335 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:34" (3/4) ... [2022-11-18 20:40:36,341 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 20:40:36,341 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:40:36,342 INFO L158 Benchmark]: Toolchain (without parser) took 6705.64ms. Allocated memory was 134.2MB in the beginning and 333.4MB in the end (delta: 199.2MB). Free memory was 98.7MB in the beginning and 259.4MB in the end (delta: -160.6MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,343 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 88.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:40:36,344 INFO L158 Benchmark]: CACSL2BoogieTranslator took 977.89ms. Allocated memory is still 134.2MB. Free memory was 98.4MB in the beginning and 53.4MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,344 INFO L158 Benchmark]: Boogie Procedure Inliner took 268.48ms. Allocated memory is still 134.2MB. Free memory was 52.8MB in the beginning and 87.2MB in the end (delta: -34.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,345 INFO L158 Benchmark]: Boogie Preprocessor took 213.42ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 87.2MB in the beginning and 145.4MB in the end (delta: -58.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,346 INFO L158 Benchmark]: RCFGBuilder took 3482.05ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 144.5MB in the beginning and 200.4MB in the end (delta: -55.9MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,346 INFO L158 Benchmark]: TraceAbstraction took 1746.74ms. Allocated memory was 276.8MB in the beginning and 333.4MB in the end (delta: 56.6MB). Free memory was 200.4MB in the beginning and 260.4MB in the end (delta: -60.0MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,349 INFO L158 Benchmark]: Witness Printer took 7.91ms. Allocated memory is still 333.4MB. Free memory was 260.4MB in the beginning and 259.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 20:40:36,357 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 88.1MB. Free memory was 45.6MB in the beginning and 45.6MB in the end (delta: 40.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 977.89ms. Allocated memory is still 134.2MB. Free memory was 98.4MB in the beginning and 53.4MB in the end (delta: 45.0MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 268.48ms. Allocated memory is still 134.2MB. Free memory was 52.8MB in the beginning and 87.2MB in the end (delta: -34.4MB). Peak memory consumption was 26.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 213.42ms. Allocated memory was 134.2MB in the beginning and 190.8MB in the end (delta: 56.6MB). Free memory was 87.2MB in the beginning and 145.4MB in the end (delta: -58.2MB). Peak memory consumption was 28.9MB. Max. memory is 16.1GB. * RCFGBuilder took 3482.05ms. Allocated memory was 190.8MB in the beginning and 276.8MB in the end (delta: 86.0MB). Free memory was 144.5MB in the beginning and 200.4MB in the end (delta: -55.9MB). Peak memory consumption was 159.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1746.74ms. Allocated memory was 276.8MB in the beginning and 333.4MB in the end (delta: 56.6MB). Free memory was 200.4MB in the beginning and 260.4MB in the end (delta: -60.0MB). Peak memory consumption was 138.4MB. Max. memory is 16.1GB. * Witness Printer took 7.91ms. Allocated memory is still 333.4MB. Free memory was 260.4MB in the beginning and 259.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 366, overapproximation of bitwiseOr at line 346, overapproximation of bitwiseAnd at line 375. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 2); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (2 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 1); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (1 - 1); [L31] const SORT_6 mask_SORT_6 = (SORT_6)-1 >> (sizeof(SORT_6) * 8 - 3); [L32] const SORT_6 msb_SORT_6 = (SORT_6)1 << (3 - 1); [L34] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 4); [L35] const SORT_12 msb_SORT_12 = (SORT_12)1 << (4 - 1); [L37] const SORT_16 mask_SORT_16 = (SORT_16)-1 >> (sizeof(SORT_16) * 8 - 8); [L38] const SORT_16 msb_SORT_16 = (SORT_16)1 << (8 - 1); [L40] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 7); [L41] const SORT_21 msb_SORT_21 = (SORT_21)1 << (7 - 1); [L43] const SORT_21 var_22 = 1; [L44] const SORT_21 var_25 = 4; [L45] const SORT_21 var_29 = 8; [L46] const SORT_21 var_33 = 0; [L47] const SORT_3 var_42 = 1; [L48] const SORT_3 var_46 = 0; [L49] const SORT_6 var_131 = 0; [L50] const SORT_21 var_686 = 2; [L51] const SORT_21 var_703 = 64; [L52] const SORT_21 var_746 = 16; [L53] const SORT_21 var_761 = 32; [L55] SORT_1 input_2; [L56] SORT_3 input_4; [L57] SORT_3 input_5; [L58] SORT_6 input_7; [L59] SORT_3 input_8; [L60] SORT_3 input_9; [L61] SORT_3 input_10; [L62] SORT_3 input_11; [L63] SORT_12 input_13; [L64] SORT_3 input_14; [L65] SORT_3 input_15; [L66] SORT_16 input_17; [L67] SORT_3 input_18; [L68] SORT_3 input_19; [L69] SORT_3 input_20; [L70] SORT_3 input_353; [L71] SORT_3 input_375; [L72] SORT_3 input_390; [L73] SORT_3 input_405; [L74] SORT_3 input_420; [L75] SORT_3 input_435; [L76] SORT_3 input_450; [L77] SORT_3 input_465; [L78] SORT_3 input_480; [L79] SORT_3 input_495; [L80] SORT_3 input_510; [L81] SORT_3 input_525; [L82] SORT_3 input_540; [L83] SORT_3 input_555; [L84] SORT_3 input_570; [L85] SORT_3 input_585; [L86] SORT_3 input_601; [L87] SORT_3 input_603; [L88] SORT_3 input_605; [L89] SORT_3 input_607; [L90] SORT_3 input_609; [L91] SORT_3 input_611; [L92] SORT_3 input_613; [L93] SORT_3 input_615; [L94] SORT_3 input_620; [L95] SORT_21 input_661; [L96] SORT_21 input_662; [L97] SORT_21 input_663; [L98] SORT_21 input_664; [L99] SORT_21 input_667; [L100] SORT_21 input_671; [L101] SORT_21 input_675; [L102] SORT_21 input_683; [L103] SORT_21 input_688; [L104] SORT_21 input_690; [L105] SORT_21 input_694; [L106] SORT_21 input_697; [L107] SORT_21 input_701; [L108] SORT_21 input_707; [L109] SORT_21 input_711; [L110] SORT_21 input_716; [L111] SORT_21 input_718; [L112] SORT_21 input_719; [L113] SORT_21 input_721; [L114] SORT_21 input_725; [L115] SORT_21 input_730; [L116] SORT_21 input_737; [L117] SORT_21 input_738; [L118] SORT_21 input_740; [L119] SORT_21 input_744; [L120] SORT_21 input_750; [L121] SORT_21 input_752; [L122] SORT_21 input_753; [L123] SORT_21 input_755; [L124] SORT_21 input_759; [L125] SORT_21 input_765; [L126] SORT_21 input_769; [L127] SORT_21 input_774; [L128] SORT_21 input_776; [L129] SORT_21 input_782; [L130] SORT_21 input_794; [L131] SORT_3 input_799; [L132] SORT_3 input_808; [L133] SORT_3 input_827; [L134] SORT_3 input_834; [L135] SORT_3 input_845; [L136] SORT_3 input_851; [L137] SORT_3 input_857; [L138] SORT_3 input_863; [L139] SORT_3 input_869; [L140] SORT_3 input_875; [L141] SORT_3 input_881; [L142] SORT_3 input_887; [L143] SORT_3 input_893; [L144] SORT_3 input_899; [L145] SORT_3 input_905; [L146] SORT_3 input_911; [L147] SORT_3 input_917; [L149] SORT_21 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L150] SORT_21 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_21; [L151] SORT_3 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L152] SORT_3 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L153] SORT_3 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L154] SORT_3 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L155] SORT_3 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L156] SORT_3 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L157] SORT_3 state_79 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L158] SORT_3 state_96 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L159] SORT_3 state_99 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L160] SORT_3 state_101 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L161] SORT_3 state_105 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L162] SORT_3 state_109 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L163] SORT_3 state_114 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L164] SORT_3 state_117 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L165] SORT_3 state_127 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L166] SORT_3 state_134 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L167] SORT_3 state_137 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L168] SORT_3 state_146 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L169] SORT_3 state_151 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L170] SORT_3 state_154 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L171] SORT_3 state_166 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L172] SORT_3 state_176 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L173] SORT_3 state_181 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L174] SORT_3 state_184 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L175] SORT_3 state_193 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L176] SORT_3 state_206 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L177] SORT_3 state_219 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L179] SORT_21 init_24_arg_1 = var_22; [L180] state_23 = init_24_arg_1 [L181] SORT_21 init_28_arg_1 = var_22; [L182] state_27 = init_28_arg_1 [L183] SORT_3 init_48_arg_1 = var_46; [L184] state_47 = init_48_arg_1 [L185] SORT_3 init_50_arg_1 = var_46; [L186] state_49 = init_50_arg_1 [L187] SORT_3 init_52_arg_1 = var_46; [L188] state_51 = init_52_arg_1 [L189] SORT_3 init_56_arg_1 = var_46; [L190] state_55 = init_56_arg_1 [L191] SORT_3 init_60_arg_1 = var_46; [L192] state_59 = init_60_arg_1 [L193] SORT_3 init_64_arg_1 = var_46; [L194] state_63 = init_64_arg_1 [L195] SORT_3 init_80_arg_1 = var_46; [L196] state_79 = init_80_arg_1 [L197] SORT_3 init_97_arg_1 = var_46; [L198] state_96 = init_97_arg_1 [L199] SORT_3 init_100_arg_1 = var_46; [L200] state_99 = init_100_arg_1 [L201] SORT_3 init_102_arg_1 = var_46; [L202] state_101 = init_102_arg_1 [L203] SORT_3 init_106_arg_1 = var_46; [L204] state_105 = init_106_arg_1 [L205] SORT_3 init_110_arg_1 = var_46; [L206] state_109 = init_110_arg_1 [L207] SORT_3 init_115_arg_1 = var_46; [L208] state_114 = init_115_arg_1 [L209] SORT_3 init_118_arg_1 = var_46; [L210] state_117 = init_118_arg_1 [L211] SORT_3 init_128_arg_1 = var_46; [L212] state_127 = init_128_arg_1 [L213] SORT_3 init_135_arg_1 = var_46; [L214] state_134 = init_135_arg_1 [L215] SORT_3 init_138_arg_1 = var_46; [L216] state_137 = init_138_arg_1 [L217] SORT_3 init_147_arg_1 = var_46; [L218] state_146 = init_147_arg_1 [L219] SORT_3 init_152_arg_1 = var_46; [L220] state_151 = init_152_arg_1 [L221] SORT_3 init_155_arg_1 = var_46; [L222] state_154 = init_155_arg_1 [L223] SORT_3 init_167_arg_1 = var_46; [L224] state_166 = init_167_arg_1 [L225] SORT_3 init_177_arg_1 = var_46; [L226] state_176 = init_177_arg_1 [L227] SORT_3 init_182_arg_1 = var_46; [L228] state_181 = init_182_arg_1 [L229] SORT_3 init_185_arg_1 = var_46; [L230] state_184 = init_185_arg_1 [L231] SORT_3 init_194_arg_1 = var_46; [L232] state_193 = init_194_arg_1 [L233] SORT_3 init_207_arg_1 = var_46; [L234] state_206 = init_207_arg_1 [L235] SORT_3 init_220_arg_1 = var_46; [L236] state_219 = init_220_arg_1 VAL [init_100_arg_1=0, init_102_arg_1=0, init_106_arg_1=0, init_110_arg_1=0, init_115_arg_1=0, init_118_arg_1=0, init_128_arg_1=0, init_135_arg_1=0, init_138_arg_1=0, init_147_arg_1=0, init_152_arg_1=0, init_155_arg_1=0, init_167_arg_1=0, init_177_arg_1=0, init_182_arg_1=0, init_185_arg_1=0, init_194_arg_1=0, init_207_arg_1=0, init_220_arg_1=0, init_24_arg_1=1, init_28_arg_1=1, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_80_arg_1=0, init_97_arg_1=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_101=0, state_105=0, state_109=0, state_114=0, state_117=0, state_127=0, state_134=0, state_137=0, state_146=0, state_151=0, state_154=0, state_166=0, state_176=0, state_181=0, state_184=0, state_193=0, state_206=0, state_219=0, state_23=1, state_27=1, state_47=0, state_49=0, state_51=0, state_55=0, state_59=0, state_63=0, state_79=0, state_96=0, state_99=0, var_131=0, var_22=1, var_25=4, var_29=8, var_33=0, var_42=1, var_46=0, var_686=2, var_703=64, var_746=16, var_761=32] [L239] input_2 = __VERIFIER_nondet_uchar() [L240] input_4 = __VERIFIER_nondet_uchar() [L241] input_5 = __VERIFIER_nondet_uchar() [L242] input_7 = __VERIFIER_nondet_uchar() [L243] input_7 = input_7 & mask_SORT_6 VAL [init_100_arg_1=0, init_102_arg_1=0, init_106_arg_1=0, init_110_arg_1=0, init_115_arg_1=0, init_118_arg_1=0, init_128_arg_1=0, init_135_arg_1=0, init_138_arg_1=0, init_147_arg_1=0, init_152_arg_1=0, init_155_arg_1=0, init_167_arg_1=0, init_177_arg_1=0, init_182_arg_1=0, init_185_arg_1=0, init_194_arg_1=0, init_207_arg_1=0, init_220_arg_1=0, init_24_arg_1=1, init_28_arg_1=1, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_80_arg_1=0, init_97_arg_1=0, input_2=88, input_4=31, input_5=30, input_7=0, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_101=0, state_105=0, state_109=0, state_114=0, state_117=0, state_127=0, state_134=0, state_137=0, state_146=0, state_151=0, state_154=0, state_166=0, state_176=0, state_181=0, state_184=0, state_193=0, state_206=0, state_219=0, state_23=1, state_27=1, state_47=0, state_49=0, state_51=0, state_55=0, state_59=0, state_63=0, state_79=0, state_96=0, state_99=0, var_131=0, var_22=1, var_25=4, var_29=8, var_33=0, var_42=1, var_46=0, var_686=2, var_703=64, var_746=16, var_761=32] [L244] input_8 = __VERIFIER_nondet_uchar() [L245] input_9 = __VERIFIER_nondet_uchar() [L246] input_10 = __VERIFIER_nondet_uchar() [L247] input_11 = __VERIFIER_nondet_uchar() [L248] input_13 = __VERIFIER_nondet_uchar() [L249] input_14 = __VERIFIER_nondet_uchar() [L250] input_15 = __VERIFIER_nondet_uchar() [L251] input_17 = __VERIFIER_nondet_uchar() [L252] input_18 = __VERIFIER_nondet_uchar() [L253] input_19 = __VERIFIER_nondet_uchar() [L254] input_20 = __VERIFIER_nondet_uchar() [L255] input_353 = __VERIFIER_nondet_uchar() [L256] input_375 = __VERIFIER_nondet_uchar() [L257] input_390 = __VERIFIER_nondet_uchar() [L258] input_405 = __VERIFIER_nondet_uchar() [L259] input_420 = __VERIFIER_nondet_uchar() [L260] input_435 = __VERIFIER_nondet_uchar() [L261] input_450 = __VERIFIER_nondet_uchar() [L262] input_465 = __VERIFIER_nondet_uchar() [L263] input_480 = __VERIFIER_nondet_uchar() [L264] input_495 = __VERIFIER_nondet_uchar() [L265] input_510 = __VERIFIER_nondet_uchar() [L266] input_525 = __VERIFIER_nondet_uchar() [L267] input_540 = __VERIFIER_nondet_uchar() [L268] input_555 = __VERIFIER_nondet_uchar() [L269] input_570 = __VERIFIER_nondet_uchar() [L270] input_585 = __VERIFIER_nondet_uchar() [L271] input_601 = __VERIFIER_nondet_uchar() [L272] input_603 = __VERIFIER_nondet_uchar() [L273] input_605 = __VERIFIER_nondet_uchar() [L274] input_607 = __VERIFIER_nondet_uchar() [L275] input_609 = __VERIFIER_nondet_uchar() [L276] input_611 = __VERIFIER_nondet_uchar() [L277] input_613 = __VERIFIER_nondet_uchar() [L278] input_615 = __VERIFIER_nondet_uchar() [L279] input_620 = __VERIFIER_nondet_uchar() [L280] input_661 = __VERIFIER_nondet_uchar() [L281] input_662 = __VERIFIER_nondet_uchar() [L282] input_663 = __VERIFIER_nondet_uchar() [L283] input_664 = __VERIFIER_nondet_uchar() [L284] input_667 = __VERIFIER_nondet_uchar() [L285] input_671 = __VERIFIER_nondet_uchar() [L286] input_675 = __VERIFIER_nondet_uchar() [L287] input_683 = __VERIFIER_nondet_uchar() [L288] input_688 = __VERIFIER_nondet_uchar() [L289] input_690 = __VERIFIER_nondet_uchar() [L290] input_694 = __VERIFIER_nondet_uchar() [L291] input_697 = __VERIFIER_nondet_uchar() [L292] input_701 = __VERIFIER_nondet_uchar() [L293] input_707 = __VERIFIER_nondet_uchar() [L294] input_711 = __VERIFIER_nondet_uchar() [L295] input_716 = __VERIFIER_nondet_uchar() [L296] input_718 = __VERIFIER_nondet_uchar() [L297] input_719 = __VERIFIER_nondet_uchar() [L298] input_721 = __VERIFIER_nondet_uchar() [L299] input_725 = __VERIFIER_nondet_uchar() [L300] input_730 = __VERIFIER_nondet_uchar() [L301] input_737 = __VERIFIER_nondet_uchar() [L302] input_738 = __VERIFIER_nondet_uchar() [L303] input_740 = __VERIFIER_nondet_uchar() [L304] input_744 = __VERIFIER_nondet_uchar() [L305] input_750 = __VERIFIER_nondet_uchar() [L306] input_752 = __VERIFIER_nondet_uchar() [L307] input_753 = __VERIFIER_nondet_uchar() [L308] input_755 = __VERIFIER_nondet_uchar() [L309] input_759 = __VERIFIER_nondet_uchar() [L310] input_765 = __VERIFIER_nondet_uchar() [L311] input_769 = __VERIFIER_nondet_uchar() [L312] input_774 = __VERIFIER_nondet_uchar() [L313] input_776 = __VERIFIER_nondet_uchar() [L314] input_782 = __VERIFIER_nondet_uchar() [L315] input_794 = __VERIFIER_nondet_uchar() [L316] input_799 = __VERIFIER_nondet_uchar() [L317] input_808 = __VERIFIER_nondet_uchar() [L318] input_827 = __VERIFIER_nondet_uchar() [L319] input_834 = __VERIFIER_nondet_uchar() [L320] input_845 = __VERIFIER_nondet_uchar() [L321] input_851 = __VERIFIER_nondet_uchar() [L322] input_857 = __VERIFIER_nondet_uchar() [L323] input_863 = __VERIFIER_nondet_uchar() [L324] input_869 = __VERIFIER_nondet_uchar() [L325] input_875 = __VERIFIER_nondet_uchar() [L326] input_881 = __VERIFIER_nondet_uchar() [L327] input_887 = __VERIFIER_nondet_uchar() [L328] input_893 = __VERIFIER_nondet_uchar() [L329] input_899 = __VERIFIER_nondet_uchar() [L330] input_905 = __VERIFIER_nondet_uchar() [L331] input_911 = __VERIFIER_nondet_uchar() [L332] input_917 = __VERIFIER_nondet_uchar() [L335] SORT_21 var_26_arg_0 = state_23; [L336] SORT_21 var_26_arg_1 = var_25; [L337] SORT_3 var_26 = var_26_arg_0 == var_26_arg_1; [L338] SORT_21 var_30_arg_0 = state_27; [L339] SORT_21 var_30_arg_1 = var_29; [L340] SORT_3 var_30 = var_30_arg_0 == var_30_arg_1; [L341] SORT_21 var_31_arg_0 = state_27; [L342] SORT_21 var_31_arg_1 = var_22; [L343] SORT_3 var_31 = var_31_arg_0 == var_31_arg_1; [L344] SORT_3 var_32_arg_0 = var_30; [L345] SORT_3 var_32_arg_1 = var_31; [L346] SORT_3 var_32 = var_32_arg_0 | var_32_arg_1; [L347] SORT_21 var_34_arg_0 = state_27; [L348] SORT_21 var_34_arg_1 = var_33; [L349] SORT_3 var_34 = var_34_arg_0 == var_34_arg_1; [L350] SORT_3 var_35_arg_0 = var_32; [L351] SORT_3 var_35_arg_1 = var_34; [L352] SORT_3 var_35 = var_35_arg_0 | var_35_arg_1; [L353] SORT_21 var_36_arg_0 = state_27; [L354] SORT_21 var_36_arg_1 = var_25; [L355] SORT_3 var_36 = var_36_arg_0 == var_36_arg_1; [L356] SORT_3 var_37_arg_0 = var_35; [L357] SORT_3 var_37_arg_1 = var_36; [L358] SORT_3 var_37 = var_37_arg_0 | var_37_arg_1; [L359] SORT_3 var_38_arg_0 = var_26; [L360] SORT_3 var_38_arg_1 = var_37; [L361] SORT_3 var_38 = var_38_arg_0 & var_38_arg_1; [L362] SORT_21 var_39_arg_0 = state_23; [L363] SORT_21 var_39_arg_1 = var_25; [L364] SORT_3 var_39 = var_39_arg_0 == var_39_arg_1; [L365] SORT_3 var_40_arg_0 = var_39; [L366] SORT_3 var_40 = ~var_40_arg_0; [L367] SORT_3 var_41_arg_0 = var_38; [L368] SORT_3 var_41_arg_1 = var_40; [L369] SORT_3 var_41 = var_41_arg_0 | var_41_arg_1; [L370] SORT_3 var_43_arg_0 = var_41; [L371] SORT_3 var_43 = ~var_43_arg_0; [L372] SORT_3 var_44_arg_0 = var_42; [L373] SORT_3 var_44_arg_1 = var_43; [L374] SORT_3 var_44 = var_44_arg_0 & var_44_arg_1; VAL [init_100_arg_1=0, init_102_arg_1=0, init_106_arg_1=0, init_110_arg_1=0, init_115_arg_1=0, init_118_arg_1=0, init_128_arg_1=0, init_135_arg_1=0, init_138_arg_1=0, init_147_arg_1=0, init_152_arg_1=0, init_155_arg_1=0, init_167_arg_1=0, init_177_arg_1=0, init_182_arg_1=0, init_185_arg_1=0, init_194_arg_1=0, init_207_arg_1=0, init_220_arg_1=0, init_24_arg_1=1, init_28_arg_1=1, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_80_arg_1=0, init_97_arg_1=0, input_10=23, input_11=7, input_13=74, input_14=67, input_15=24, input_17=83, input_18=91, input_19=75, input_2=88, input_20=92, input_353=89, input_375=68, input_390=64, input_4=31, input_405=47, input_420=11, input_435=41, input_450=86, input_465=66, input_480=35, input_495=29, input_5=30, input_510=5, input_525=44, input_540=20, input_555=76, input_570=61, input_585=82, input_601=65, input_603=4, input_605=78, input_607=37, input_609=21, input_611=46, input_613=95, input_615=13, input_620=8, input_661=62, input_662=39, input_663=57, input_664=84, input_667=19, input_671=45, input_675=81, input_683=73, input_688=71, input_690=90, input_694=80, input_697=55, input_7=0, input_701=16, input_707=69, input_711=17, input_716=27, input_718=58, input_719=63, input_721=42, input_725=12, input_730=14, input_737=6, input_738=43, input_740=34, input_744=56, input_750=53, input_752=26, input_753=9, input_755=32, input_759=87, input_765=70, input_769=33, input_774=10, input_776=94, input_782=54, input_794=77, input_799=60, input_8=28, input_808=85, input_827=52, input_834=36, input_845=72, input_851=3, input_857=18, input_863=49, input_869=15, input_875=59, input_881=50, input_887=48, input_893=25, input_899=22, input_9=79, input_905=40, input_911=38, input_917=93, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_101=0, state_105=0, state_109=0, state_114=0, state_117=0, state_127=0, state_134=0, state_137=0, state_146=0, state_151=0, state_154=0, state_166=0, state_176=0, state_181=0, state_184=0, state_193=0, state_206=0, state_219=0, state_23=1, state_27=1, state_47=0, state_49=0, state_51=0, state_55=0, state_59=0, state_63=0, state_79=0, state_96=0, state_99=0, var_131=0, var_22=1, var_25=4, var_26=0, var_26_arg_0=1, var_26_arg_1=4, var_29=8, var_30=0, var_30_arg_0=1, var_30_arg_1=8, var_31=1, var_31_arg_0=1, var_31_arg_1=1, var_32=1, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_34=0, var_34_arg_0=1, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=0, var_36=0, var_36_arg_0=1, var_36_arg_1=4, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=1, var_39_arg_1=4, var_40=255, var_40_arg_0=0, var_41=255, var_41_arg_0=0, var_41_arg_1=255, var_42=1, var_43=2, var_43_arg_0=255, var_44=51, var_44_arg_0=1, var_44_arg_1=2, var_46=0, var_686=2, var_703=64, var_746=16, var_761=32] [L375] var_44 = var_44 & mask_SORT_3 VAL [init_100_arg_1=0, init_102_arg_1=0, init_106_arg_1=0, init_110_arg_1=0, init_115_arg_1=0, init_118_arg_1=0, init_128_arg_1=0, init_135_arg_1=0, init_138_arg_1=0, init_147_arg_1=0, init_152_arg_1=0, init_155_arg_1=0, init_167_arg_1=0, init_177_arg_1=0, init_182_arg_1=0, init_185_arg_1=0, init_194_arg_1=0, init_207_arg_1=0, init_220_arg_1=0, init_24_arg_1=1, init_28_arg_1=1, init_48_arg_1=0, init_50_arg_1=0, init_52_arg_1=0, init_56_arg_1=0, init_60_arg_1=0, init_64_arg_1=0, init_80_arg_1=0, init_97_arg_1=0, input_10=23, input_11=7, input_13=74, input_14=67, input_15=24, input_17=83, input_18=91, input_19=75, input_2=88, input_20=92, input_353=89, input_375=68, input_390=64, input_4=31, input_405=47, input_420=11, input_435=41, input_450=86, input_465=66, input_480=35, input_495=29, input_5=30, input_510=5, input_525=44, input_540=20, input_555=76, input_570=61, input_585=82, input_601=65, input_603=4, input_605=78, input_607=37, input_609=21, input_611=46, input_613=95, input_615=13, input_620=8, input_661=62, input_662=39, input_663=57, input_664=84, input_667=19, input_671=45, input_675=81, input_683=73, input_688=71, input_690=90, input_694=80, input_697=55, input_7=0, input_701=16, input_707=69, input_711=17, input_716=27, input_718=58, input_719=63, input_721=42, input_725=12, input_730=14, input_737=6, input_738=43, input_740=34, input_744=56, input_750=53, input_752=26, input_753=9, input_755=32, input_759=87, input_765=70, input_769=33, input_774=10, input_776=94, input_782=54, input_794=77, input_799=60, input_8=28, input_808=85, input_827=52, input_834=36, input_845=72, input_851=3, input_857=18, input_863=49, input_869=15, input_875=59, input_881=50, input_887=48, input_893=25, input_899=22, input_9=79, input_905=40, input_911=38, input_917=93, mask_SORT_1=3, mask_SORT_12=15, mask_SORT_16=255, mask_SORT_21=127, mask_SORT_3=1, mask_SORT_6=7, msb_SORT_1=2, msb_SORT_12=8, msb_SORT_16=128, msb_SORT_21=64, msb_SORT_3=1, msb_SORT_6=4, state_101=0, state_105=0, state_109=0, state_114=0, state_117=0, state_127=0, state_134=0, state_137=0, state_146=0, state_151=0, state_154=0, state_166=0, state_176=0, state_181=0, state_184=0, state_193=0, state_206=0, state_219=0, state_23=1, state_27=1, state_47=0, state_49=0, state_51=0, state_55=0, state_59=0, state_63=0, state_79=0, state_96=0, state_99=0, var_131=0, var_22=1, var_25=4, var_26=0, var_26_arg_0=1, var_26_arg_1=4, var_29=8, var_30=0, var_30_arg_0=1, var_30_arg_1=8, var_31=1, var_31_arg_0=1, var_31_arg_1=1, var_32=1, var_32_arg_0=0, var_32_arg_1=1, var_33=0, var_34=0, var_34_arg_0=1, var_34_arg_1=0, var_35=1, var_35_arg_0=1, var_35_arg_1=0, var_36=0, var_36_arg_0=1, var_36_arg_1=4, var_37=1, var_37_arg_0=1, var_37_arg_1=0, var_38=0, var_38_arg_0=0, var_38_arg_1=1, var_39=0, var_39_arg_0=1, var_39_arg_1=4, var_40=255, var_40_arg_0=0, var_41=255, var_41_arg_0=0, var_41_arg_1=255, var_42=1, var_43=2, var_43_arg_0=255, var_44=1, var_44_arg_0=1, var_44_arg_1=2, var_46=0, var_686=2, var_703=64, var_746=16, var_761=32] [L376] SORT_3 bad_45_arg_0 = var_44; [L377] CALL __VERIFIER_assert(!(bad_45_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, 164 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 762 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 762 mSDsluCounter, 543 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 273 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 270 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=164occurred 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, 160 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s 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 [2022-11-18 20:40:36,402 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:40:38,812 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:40:38,816 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:40:38,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:40:38,860 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:40:38,863 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:40:38,866 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:40:38,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:40:38,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:40:38,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:40:38,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:40:38,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:40:38,876 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:40:38,877 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:40:38,878 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:40:38,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:40:38,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:40:38,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:40:38,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:40:38,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:40:38,901 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:40:38,903 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:40:38,904 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:40:38,905 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:40:38,908 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:40:38,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:40:38,909 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:40:38,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:40:38,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:40:38,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:40:38,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:40:38,912 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:40:38,913 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:40:38,922 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:40:38,923 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:40:38,924 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:40:38,925 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:40:38,925 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:40:38,925 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:40:38,926 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:40:38,927 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:40:38,928 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-18 20:40:38,952 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:40:38,952 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:40:38,952 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:40:38,953 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:40:38,953 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:40:38,954 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:40:38,954 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:40:38,954 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:40:38,955 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:40:38,955 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:40:38,955 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:40:38,955 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:40:38,956 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:40:38,956 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:40:38,956 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-18 20:40:38,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-18 20:40:38,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-18 20:40:38,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:40:38,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:40:38,957 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:40:38,957 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:40:38,958 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:40:38,958 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:40:38,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:38,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:40:38,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:40:38,959 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:40:38,959 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-18 20:40:38,959 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-18 20:40:38,959 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:40:38,960 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:40:38,960 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:40:38,960 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-18 20:40:38,960 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_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 456ad7d50b1a04e48a594b17937be8ede462f0848eac039d52c67e6778557ec8 [2022-11-18 20:40:39,279 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:40:39,300 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:40:39,303 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:40:39,304 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:40:39,305 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:40:39,307 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:39,369 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/b14ff5331/081f52d688314ebab18c3c459db8ffbd/FLAG4db440fc2 [2022-11-18 20:40:40,058 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:40:40,059 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:40,090 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/b14ff5331/081f52d688314ebab18c3c459db8ffbd/FLAG4db440fc2 [2022-11-18 20:40:40,264 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/data/b14ff5331/081f52d688314ebab18c3c459db8ffbd [2022-11-18 20:40:40,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:40:40,267 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:40:40,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:40,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:40:40,276 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:40:40,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:40" (1/1) ... [2022-11-18 20:40:40,279 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cdcd76c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:40, skipping insertion in model container [2022-11-18 20:40:40,279 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:40:40" (1/1) ... [2022-11-18 20:40:40,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:40:40,376 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:40:40,565 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-18 20:40:41,075 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:41,079 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:40:41,101 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c[1107,1120] [2022-11-18 20:40:41,258 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:40:41,270 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:40:41,271 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41 WrapperNode [2022-11-18 20:40:41,271 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:40:41,272 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:41,272 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:40:41,273 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:40:41,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,333 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,500 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2479 [2022-11-18 20:40:41,501 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:40:41,502 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:40:41,502 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:40:41,503 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:40:41,512 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,588 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,618 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:40:41,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:40:41,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:40:41,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:40:41,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (1/1) ... [2022-11-18 20:40:41,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:40:41,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:40:41,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:40:41,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:40:41,768 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:40:41,768 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:40:42,397 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:40:42,399 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:40:46,328 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:40:46,335 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:40:46,336 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 20:40:46,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:46 BoogieIcfgContainer [2022-11-18 20:40:46,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:40:46,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:40:46,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:40:46,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:40:46,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:40:40" (1/3) ... [2022-11-18 20:40:46,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260a5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:46, skipping insertion in model container [2022-11-18 20:40:46,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:40:41" (2/3) ... [2022-11-18 20:40:46,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@260a5195 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:40:46, skipping insertion in model container [2022-11-18 20:40:46,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:40:46" (3/3) ... [2022-11-18 20:40:46,347 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vcegar_QF_BV_pj_icu_icctl_p3.c [2022-11-18 20:40:46,382 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:40:46,383 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 20:40:46,461 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:40:46,473 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;@6d35343d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:40:46,473 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 20:40:46,478 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:46,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-18 20:40:46,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:46,486 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-18 20:40:46,487 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:46,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:46,494 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-18 20:40:46,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:46,511 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1742706506] [2022-11-18 20:40:46,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:46,512 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:46,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:46,522 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:46,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-18 20:40:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:47,138 INFO L263 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-18 20:40:47,152 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:47,315 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-18 20:40:47,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:47,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1742706506] [2022-11-18 20:40:47,317 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1742706506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:40:47,317 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:40:47,318 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-18 20:40:47,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2074989378] [2022-11-18 20:40:47,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:40:47,326 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:40:47,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:47,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:40:47,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:40:47,363 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:47,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:47,641 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-18 20:40:47,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 20:40:47,644 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-18 20:40:47,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:47,652 INFO L225 Difference]: With dead ends: 20 [2022-11-18 20:40:47,653 INFO L226 Difference]: Without dead ends: 11 [2022-11-18 20:40:47,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:40:47,659 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:47,661 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 20:40:47,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-18 20:40:47,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-18 20:40:47,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:47,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-18 20:40:47,696 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-18 20:40:47,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:47,697 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-18 20:40:47,697 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:47,698 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-18 20:40:47,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-18 20:40:47,698 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:47,699 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-18 20:40:47,726 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:47,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:47,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:47,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:47,914 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-18 20:40:47,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:47,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [65539677] [2022-11-18 20:40:47,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:40:47,919 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:47,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:47,920 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:47,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-18 20:40:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:40:49,225 INFO L263 TraceCheckSpWp]: Trace formula consists of 2314 conjuncts, 22 conjunts are in the unsatisfiable core [2022-11-18 20:40:49,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:49,354 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:49,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:40:49,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:49,512 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:40:49,512 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [65539677] [2022-11-18 20:40:49,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [65539677] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-18 20:40:49,513 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-18 20:40:49,513 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-18 20:40:49,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392008376] [2022-11-18 20:40:49,513 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-18 20:40:49,515 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-18 20:40:49,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-18 20:40:49,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-18 20:40:49,516 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-18 20:40:49,516 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) [2022-11-18 20:40:50,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:40:50,106 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-18 20:40:50,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-18 20:40:50,108 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 [2022-11-18 20:40:50,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:40:50,108 INFO L225 Difference]: With dead ends: 16 [2022-11-18 20:40:50,108 INFO L226 Difference]: Without dead ends: 14 [2022-11-18 20:40:50,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2022-11-18 20:40:50,110 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 12 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-18 20:40:50,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 23 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 12 Unchecked, 0.5s Time] [2022-11-18 20:40:50,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-18 20:40:50,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-18 20:40:50,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 20:40:50,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-18 20:40:50,115 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-18 20:40:50,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:40:50,116 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-18 20:40:50,116 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) [2022-11-18 20:40:50,116 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-18 20:40:50,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:40:50,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:40:50,117 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-18 20:40:50,145 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-18 20:40:50,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:50,318 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 20:40:50,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:40:50,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-18 20:40:50,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-18 20:40:50,325 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429067830] [2022-11-18 20:40:50,326 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-18 20:40:50,326 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:40:50,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat [2022-11-18 20:40:50,327 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-18 20:40:50,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-18 20:40:52,178 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-18 20:40:52,178 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-18 20:40:52,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 4406 conjuncts, 187 conjunts are in the unsatisfiable core [2022-11-18 20:40:52,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 20:40:55,671 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:40:55,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-18 20:41:03,474 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-18 20:41:03,474 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429067830] [2022-11-18 20:41:03,475 WARN L319 FreeRefinementEngine]: Global settings require throwing the following exception [2022-11-18 20:41:03,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-18 20:41:03,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-18 20:41:03,691 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.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:342) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:121) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-18 20:41:03,704 INFO L158 Benchmark]: Toolchain (without parser) took 23431.59ms. Allocated memory was 58.7MB in the beginning and 444.6MB in the end (delta: 385.9MB). Free memory was 33.7MB in the beginning and 191.5MB in the end (delta: -157.8MB). Peak memory consumption was 290.7MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,706 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:41:03,706 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1002.59ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 37.4MB in the end (delta: -4.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,707 INFO L158 Benchmark]: Boogie Procedure Inliner took 229.11ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 54.7MB in the end (delta: -17.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,707 INFO L158 Benchmark]: Boogie Preprocessor took 162.47ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 44.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,711 INFO L158 Benchmark]: RCFGBuilder took 4671.79ms. Allocated memory was 96.5MB in the beginning and 199.2MB in the end (delta: 102.8MB). Free memory was 44.8MB in the beginning and 40.7MB in the end (delta: 4.1MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,714 INFO L158 Benchmark]: TraceAbstraction took 17358.46ms. Allocated memory was 199.2MB in the beginning and 444.6MB in the end (delta: 245.4MB). Free memory was 39.6MB in the beginning and 191.5MB in the end (delta: -151.9MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. [2022-11-18 20:41:03,717 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 58.7MB. Free memory is still 41.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1002.59ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 33.5MB in the beginning and 37.4MB in the end (delta: -4.0MB). Peak memory consumption was 24.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 229.11ms. Allocated memory was 71.3MB in the beginning and 96.5MB in the end (delta: 25.2MB). Free memory was 37.4MB in the beginning and 54.7MB in the end (delta: -17.3MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 162.47ms. Allocated memory is still 96.5MB. Free memory was 54.7MB in the beginning and 44.8MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * RCFGBuilder took 4671.79ms. Allocated memory was 96.5MB in the beginning and 199.2MB in the end (delta: 102.8MB). Free memory was 44.8MB in the beginning and 40.7MB in the end (delta: 4.1MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * TraceAbstraction took 17358.46ms. Allocated memory was 199.2MB in the beginning and 444.6MB in the end (delta: 245.4MB). Free memory was 39.6MB in the beginning and 191.5MB in the end (delta: -151.9MB). Peak memory consumption was 157.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: Maybe an infinite loop de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: Maybe an infinite loop: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:130) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-18 20:41:03,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27ef8751-4065-4d21-a660-ebe76eb54f28/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Maybe an infinite loop