./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57a912aff80ad559a0b614e92a359dd4b5edd9175df70bc4234fe728f540265 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:41:41,858 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:41:41,870 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:41:41,906 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:41:41,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:41:41,912 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:41:41,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:41:41,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:41:41,926 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:41:41,929 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:41:41,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:41:41,933 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:41:41,935 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:41:41,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:41:41,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:41:41,943 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:41:41,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:41:41,952 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:41:41,954 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:41:41,957 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:41:41,961 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:41:41,963 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:41:41,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:41:41,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:41:41,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:41:41,981 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:41:41,982 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:41:41,983 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:41:41,985 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:41:41,987 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:41:41,989 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:41:41,990 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:41:41,993 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:41:41,994 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:41:41,996 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:41:41,996 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:41:41,997 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:41:41,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:41:41,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:41:41,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:41:42,000 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:41:42,001 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-16 12:41:42,046 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:41:42,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:41:42,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:41:42,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:41:42,048 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:41:42,049 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:41:42,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:41:42,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:41:42,050 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:41:42,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:41:42,052 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:41:42,053 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:41:42,053 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:41:42,053 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:41:42,054 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:41:42,054 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:41:42,054 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:41:42,055 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:41:42,055 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:41:42,055 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:41:42,056 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:41:42,056 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:42,056 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:41:42,057 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:41:42,057 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:41:42,057 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:41:42,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 12:41:42,058 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:41:42,058 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:41:42,059 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:41:42,059 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_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57a912aff80ad559a0b614e92a359dd4b5edd9175df70bc4234fe728f540265 [2022-11-16 12:41:42,441 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:41:42,482 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:41:42,485 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:41:42,487 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:41:42,488 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:41:42,489 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c [2022-11-16 12:41:42,567 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/642a1925e/dbb50e646bf542558d9370187d16a806/FLAG976e6b5a0 [2022-11-16 12:41:43,078 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:41:43,078 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c [2022-11-16 12:41:43,093 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/642a1925e/dbb50e646bf542558d9370187d16a806/FLAG976e6b5a0 [2022-11-16 12:41:43,443 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/642a1925e/dbb50e646bf542558d9370187d16a806 [2022-11-16 12:41:43,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:41:43,447 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:41:43,454 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:43,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:41:43,458 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:41:43,459 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,460 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b86358 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43, skipping insertion in model container [2022-11-16 12:41:43,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:41:43,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:41:43,726 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c[1107,1120] [2022-11-16 12:41:43,800 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:43,803 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:41:43,814 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c[1107,1120] [2022-11-16 12:41:43,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:43,890 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:41:43,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43 WrapperNode [2022-11-16 12:41:43,893 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:43,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:43,896 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:41:43,896 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:41:43,905 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,916 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,957 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 248 [2022-11-16 12:41:43,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:43,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:41:43,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:41:43,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:41:43,976 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,990 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:43,997 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:44,001 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:44,019 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:44,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:44,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:41:44,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:41:44,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:41:44,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:41:44,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (1/1) ... [2022-11-16 12:41:44,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:44,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:44,103 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:44,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:41:44,143 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:41:44,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:41:44,248 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:41:44,250 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:41:44,832 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:41:44,839 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:41:44,839 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:41:44,842 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:44 BoogieIcfgContainer [2022-11-16 12:41:44,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:41:44,845 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:41:44,845 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:41:44,849 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:41:44,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:41:43" (1/3) ... [2022-11-16 12:41:44,850 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aec3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:44, skipping insertion in model container [2022-11-16 12:41:44,850 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:43" (2/3) ... [2022-11-16 12:41:44,851 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16aec3ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:44, skipping insertion in model container [2022-11-16 12:41:44,851 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:44" (3/3) ... [2022-11-16 12:41:44,852 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal54.c [2022-11-16 12:41:44,873 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:41:44,873 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:41:44,946 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:41:44,955 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;@2b448f65, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:41:44,955 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:41:44,959 INFO L276 IsEmpty]: Start isEmpty. Operand has 41 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 40 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:44,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-16 12:41:44,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:44,966 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:44,967 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:44,975 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:44,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1894338280, now seen corresponding path program 1 times [2022-11-16 12:41:44,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:44,986 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2035806043] [2022-11-16 12:41:44,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:44,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:45,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:45,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:41:45,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2035806043] [2022-11-16 12:41:45,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2035806043] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:45,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:45,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:41:45,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1616754665] [2022-11-16 12:41:45,737 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:45,743 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:41:45,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:41:45,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:41:45,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:41:45,782 INFO L87 Difference]: Start difference. First operand has 41 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 40 states have internal predecessors, (63), 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 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:45,875 INFO L93 Difference]: Finished difference Result 130 states and 212 transitions. [2022-11-16 12:41:45,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:41:45,877 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 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 19 [2022-11-16 12:41:45,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:45,889 INFO L225 Difference]: With dead ends: 130 [2022-11-16 12:41:45,889 INFO L226 Difference]: Without dead ends: 91 [2022-11-16 12:41:45,892 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:41:45,898 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 147 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 208 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:45,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 208 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:41:45,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-11-16 12:41:45,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 39. [2022-11-16 12:41:45,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 38 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:45,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 59 transitions. [2022-11-16 12:41:45,948 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 59 transitions. Word has length 19 [2022-11-16 12:41:45,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:45,950 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 59 transitions. [2022-11-16 12:41:45,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 4 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 59 transitions. [2022-11-16 12:41:45,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 12:41:45,954 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:45,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:45,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 12:41:45,955 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:45,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:45,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1403330432, now seen corresponding path program 1 times [2022-11-16 12:41:45,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:41:45,957 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1002962634] [2022-11-16 12:41:45,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:45,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:41:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:41:46,106 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:41:46,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:41:46,242 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:41:46,242 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 12:41:46,244 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:41:46,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 12:41:46,254 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 12:41:46,257 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:41:46,325 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-16 12:41:46,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:41:46 BoogieIcfgContainer [2022-11-16 12:41:46,353 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:41:46,354 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:41:46,354 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:41:46,355 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:41:46,355 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:44" (3/4) ... [2022-11-16 12:41:46,359 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:41:46,360 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:41:46,362 INFO L158 Benchmark]: Toolchain (without parser) took 2914.39ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 48.1MB in the beginning and 49.9MB in the end (delta: -1.9MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,364 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:41:46,365 INFO L158 Benchmark]: CACSL2BoogieTranslator took 440.23ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 47.9MB in the beginning and 94.2MB in the end (delta: -46.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,367 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.19ms. Allocated memory is still 121.6MB. Free memory was 94.2MB in the beginning and 91.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,369 INFO L158 Benchmark]: Boogie Preprocessor took 65.92ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,370 INFO L158 Benchmark]: RCFGBuilder took 816.79ms. Allocated memory is still 121.6MB. Free memory was 89.4MB in the beginning and 68.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,371 INFO L158 Benchmark]: TraceAbstraction took 1509.08ms. Allocated memory is still 121.6MB. Free memory was 68.2MB in the beginning and 50.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 12:41:46,376 INFO L158 Benchmark]: Witness Printer took 6.47ms. Allocated memory is still 121.6MB. Free memory was 50.7MB in the beginning and 49.9MB in the end (delta: 726.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:41:46,380 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 86.0MB. Free memory is still 64.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 440.23ms. Allocated memory was 86.0MB in the beginning and 121.6MB in the end (delta: 35.7MB). Free memory was 47.9MB in the beginning and 94.2MB in the end (delta: -46.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.19ms. Allocated memory is still 121.6MB. Free memory was 94.2MB in the beginning and 91.5MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 65.92ms. Allocated memory is still 121.6MB. Free memory was 91.5MB in the beginning and 89.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 816.79ms. Allocated memory is still 121.6MB. Free memory was 89.4MB in the beginning and 68.4MB in the end (delta: 21.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1509.08ms. Allocated memory is still 121.6MB. Free memory was 68.2MB in the beginning and 50.7MB in the end (delta: 17.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 6.47ms. Allocated memory is still 121.6MB. Free memory was 50.7MB in the beginning and 49.9MB in the end (delta: 726.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 118, overapproximation of bitwiseOr at line 116, overapproximation of bitwiseAnd at line 121. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_5 mask_SORT_5 = (SORT_5)-1 >> (sizeof(SORT_5) * 8 - 3); [L29] const SORT_5 msb_SORT_5 = (SORT_5)1 << (3 - 1); [L31] const SORT_26 mask_SORT_26 = (SORT_26)-1 >> (sizeof(SORT_26) * 8 - 2); [L32] const SORT_26 msb_SORT_26 = (SORT_26)1 << (2 - 1); [L34] const SORT_1 var_11 = 0; [L35] const SORT_5 var_15 = 0; [L36] const SORT_5 var_21 = 2; [L37] const SORT_5 var_23 = 1; [L38] const SORT_1 var_39 = 1; [L40] SORT_1 input_2; [L41] SORT_1 input_3; [L42] SORT_1 input_4; [L43] SORT_5 input_6; [L44] SORT_5 input_7; [L45] SORT_1 input_8; [L46] SORT_5 input_9; [L47] SORT_5 input_10; [L49] SORT_1 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L50] SORT_5 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L51] SORT_1 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L52] SORT_5 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_5; [L54] SORT_1 init_13_arg_1 = var_11; [L55] state_12 = init_13_arg_1 [L56] SORT_5 init_17_arg_1 = var_15; [L57] state_16 = init_17_arg_1 [L58] SORT_1 init_19_arg_1 = var_11; [L59] state_18 = init_19_arg_1 [L60] SORT_5 init_30_arg_1 = var_15; [L61] state_29 = init_30_arg_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=2, var_23=1, var_39=1] [L64] input_2 = __VERIFIER_nondet_uchar() [L65] input_2 = input_2 & mask_SORT_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_2=0, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=2, var_23=1, var_39=1] [L66] input_3 = __VERIFIER_nondet_uchar() [L67] input_3 = input_3 & mask_SORT_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_2=0, input_3=0, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_15=0, var_21=2, var_23=1, var_39=1] [L68] input_4 = __VERIFIER_nondet_uchar() [L69] input_6 = __VERIFIER_nondet_uchar() [L70] input_7 = __VERIFIER_nondet_uchar() [L71] input_8 = __VERIFIER_nondet_uchar() [L72] input_9 = __VERIFIER_nondet_uchar() [L73] input_10 = __VERIFIER_nondet_uchar() [L76] SORT_1 var_14_arg_0 = state_12; [L77] SORT_1 var_14 = ~var_14_arg_0; [L78] SORT_1 var_20_arg_0 = state_18; [L79] SORT_5 var_20_arg_1 = state_16; [L80] SORT_5 var_20_arg_2 = input_7; [L81] SORT_5 var_20 = var_20_arg_0 ? var_20_arg_1 : var_20_arg_2; VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_23=1, var_39=1] [L82] var_20 = var_20 & mask_SORT_5 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_23=1, var_39=1] [L83] SORT_5 var_24_arg_0 = var_20; [L84] SORT_5 var_24_arg_1 = var_23; [L85] SORT_1 var_24 = var_24_arg_0 == var_24_arg_1; [L86] SORT_1 var_25_arg_0 = var_24; [L87] SORT_1 var_25 = ~var_25_arg_0; [L88] SORT_5 var_22_arg_0 = var_20; [L89] SORT_5 var_22_arg_1 = var_21; [L90] SORT_1 var_22 = var_22_arg_0 == var_22_arg_1; [L91] SORT_1 var_27_arg_0 = var_25; [L92] SORT_1 var_27_arg_1 = var_22; [L93] SORT_26 var_27 = ((SORT_26)var_27_arg_0 << 1) | var_27_arg_1; VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_39=1] [L94] var_27 = var_27 & mask_SORT_26 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_39=1] [L95] SORT_26 var_28_arg_0 = var_27; [L96] SORT_1 var_28 = var_28_arg_0 == mask_SORT_26; [L97] SORT_1 var_31_arg_0 = state_18; [L98] SORT_5 var_31_arg_1 = state_29; [L99] SORT_5 var_31_arg_2 = input_7; [L100] SORT_5 var_31 = var_31_arg_0 ? var_31_arg_1 : var_31_arg_2; VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_39=1] [L101] var_31 = var_31 & mask_SORT_5 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_39=1] [L102] SORT_5 var_32_arg_0 = var_31; [L103] SORT_5 var_32_arg_1 = var_21; [L104] SORT_1 var_32 = var_32_arg_0 == var_32_arg_1; [L105] SORT_1 var_33_arg_0 = var_25; [L106] SORT_1 var_33_arg_1 = var_32; [L107] SORT_26 var_33 = ((SORT_26)var_33_arg_0 << 1) | var_33_arg_1; VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_32=0, var_32_arg_0=0, var_32_arg_1=2, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_39=1] [L108] var_33 = var_33 & mask_SORT_26 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_32=0, var_32_arg_0=0, var_32_arg_1=2, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_39=1] [L109] SORT_26 var_34_arg_0 = var_33; [L110] SORT_1 var_34 = var_34_arg_0 == mask_SORT_26; [L111] SORT_1 var_35_arg_0 = var_28; [L112] SORT_1 var_35_arg_1 = var_34; [L113] SORT_1 var_35 = var_35_arg_0 == var_35_arg_1; [L114] SORT_1 var_36_arg_0 = var_14; [L115] SORT_1 var_36_arg_1 = var_35; [L116] SORT_1 var_36 = var_36_arg_0 | var_36_arg_1; [L117] SORT_1 var_40_arg_0 = var_36; [L118] SORT_1 var_40 = ~var_40_arg_0; [L119] SORT_1 var_41_arg_0 = var_39; [L120] SORT_1 var_41_arg_1 = var_40; [L121] SORT_1 var_41 = var_41_arg_0 & var_41_arg_1; VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14=1, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_32=0, var_32_arg_0=0, var_32_arg_1=2, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_39=1, var_40=255, var_40_arg_0=1, var_41=1, var_41_arg_0=1, var_41_arg_1=255] [L122] var_41 = var_41 & mask_SORT_1 VAL [init_13_arg_1=0, init_17_arg_1=0, init_19_arg_1=0, init_30_arg_1=0, input_10=8, input_2=0, input_3=0, input_4=11, input_6=10, input_7=0, input_8=9, input_9=12, mask_SORT_1=1, mask_SORT_26=3, mask_SORT_5=7, msb_SORT_1=1, msb_SORT_26=2, msb_SORT_5=4, state_12=0, state_16=0, state_18=0, state_29=0, var_11=0, var_14=1, var_14_arg_0=0, var_15=0, var_20=0, var_20_arg_0=0, var_20_arg_1=0, var_20_arg_2=0, var_21=2, var_22=0, var_22_arg_0=0, var_22_arg_1=2, var_23=1, var_24=0, var_24_arg_0=0, var_24_arg_1=1, var_25=0, var_25_arg_0=0, var_27=0, var_27_arg_0=0, var_27_arg_1=0, var_28=0, var_28_arg_0=0, var_31=0, var_31_arg_0=0, var_31_arg_1=0, var_31_arg_2=0, var_32=0, var_32_arg_0=0, var_32_arg_1=2, var_33=0, var_33_arg_0=0, var_33_arg_1=0, var_34=0, var_34_arg_0=0, var_35=1, var_35_arg_0=0, var_35_arg_1=0, var_36=1, var_36_arg_0=1, var_36_arg_1=1, var_39=1, var_40=255, var_40_arg_0=1, var_41=1, var_41_arg_0=1, var_41_arg_1=255] [L123] SORT_1 bad_42_arg_0 = var_41; [L124] CALL __VERIFIER_assert(!(bad_42_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, 41 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 147 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 147 mSDsluCounter, 208 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 118 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17 IncrementalHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 90 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=41occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 52 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 23 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-16 12:41:46,424 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a57a912aff80ad559a0b614e92a359dd4b5edd9175df70bc4234fe728f540265 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:41:48,833 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:41:48,836 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:41:48,860 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:41:48,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:41:48,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:41:48,864 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:41:48,866 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:41:48,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:41:48,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:41:48,869 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:41:48,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:41:48,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:41:48,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:41:48,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:41:48,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:41:48,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:41:48,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:41:48,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:41:48,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:41:48,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:41:48,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:41:48,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:41:48,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:41:48,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:41:48,892 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:41:48,892 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:41:48,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:41:48,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:41:48,895 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:41:48,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:41:48,896 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:41:48,897 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:41:48,898 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:41:48,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:41:48,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:41:48,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:41:48,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:41:48,901 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:41:48,902 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:41:48,903 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:41:48,907 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-16 12:41:48,960 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:41:48,960 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:41:48,960 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:41:48,961 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:41:48,961 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 12:41:48,962 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 12:41:48,962 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:41:48,963 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:41:48,963 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:41:48,963 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:41:48,963 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:41:48,963 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-16 12:41:48,964 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:41:48,965 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:41:48,965 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 12:41:48,965 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:41:48,965 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:41:48,965 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 12:41:48,966 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:48,966 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:41:48,966 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 12:41:48,966 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 12:41:48,966 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-16 12:41:48,967 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-16 12:41:48,967 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 12:41:48,967 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 12:41:48,967 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 12:41:48,967 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-16 12:41:48,968 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_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a57a912aff80ad559a0b614e92a359dd4b5edd9175df70bc4234fe728f540265 [2022-11-16 12:41:49,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:41:49,391 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:41:49,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:41:49,395 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:41:49,398 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:41:49,400 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c [2022-11-16 12:41:49,487 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/7353539bf/5c6b84952a884ed7a5d56a8fbb58e8eb/FLAG429764c7c [2022-11-16 12:41:50,056 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:41:50,057 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c [2022-11-16 12:41:50,071 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/7353539bf/5c6b84952a884ed7a5d56a8fbb58e8eb/FLAG429764c7c [2022-11-16 12:41:50,392 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/data/7353539bf/5c6b84952a884ed7a5d56a8fbb58e8eb [2022-11-16 12:41:50,395 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:41:50,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:41:50,398 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:50,398 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:41:50,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:41:50,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@118634e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50, skipping insertion in model container [2022-11-16 12:41:50,403 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,418 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:41:50,462 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:41:50,601 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c[1107,1120] [2022-11-16 12:41:50,667 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:50,671 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:41:50,684 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.cal54.c[1107,1120] [2022-11-16 12:41:50,731 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:41:50,744 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:41:50,745 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50 WrapperNode [2022-11-16 12:41:50,745 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:41:50,746 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:50,747 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:41:50,747 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:41:50,755 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,765 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,793 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 178 [2022-11-16 12:41:50,794 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:41:50,795 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:41:50,795 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:41:50,795 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:41:50,805 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,810 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,816 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,821 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,822 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:41:50,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:41:50,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:41:50,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:41:50,829 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (1/1) ... [2022-11-16 12:41:50,850 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 12:41:50,863 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:41:50,882 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 12:41:50,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 12:41:50,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:41:50,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:41:51,098 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:41:51,117 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:41:51,421 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:41:51,428 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:41:51,428 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:41:51,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:51 BoogieIcfgContainer [2022-11-16 12:41:51,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:41:51,434 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 12:41:51,434 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 12:41:51,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 12:41:51,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:41:50" (1/3) ... [2022-11-16 12:41:51,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7213bb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:51, skipping insertion in model container [2022-11-16 12:41:51,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:41:50" (2/3) ... [2022-11-16 12:41:51,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7213bb05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:41:51, skipping insertion in model container [2022-11-16 12:41:51,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:51" (3/3) ... [2022-11-16 12:41:51,441 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.cal54.c [2022-11-16 12:41:51,465 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 12:41:51,466 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 12:41:51,543 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 12:41:51,553 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;@7555b5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 12:41:51,553 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 12:41:51,558 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:51,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-16 12:41:51,565 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:51,566 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-16 12:41:51,567 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:51,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-16 12:41:51,591 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:51,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1226796486] [2022-11-16 12:41:51,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:51,592 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:41:51,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:51,602 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:41:51,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-16 12:41:51,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:51,792 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-16 12:41:51,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:51,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:51,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 12:41:51,989 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:51,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1226796486] [2022-11-16 12:41:51,990 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1226796486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:41:51,990 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:41:51,990 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:41:51,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147384470] [2022-11-16 12:41:51,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:41:51,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 12:41:51,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:52,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 12:41:52,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 12:41:52,049 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:52,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:52,133 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-16 12:41:52,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 12:41:52,141 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-16 12:41:52,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:52,150 INFO L225 Difference]: With dead ends: 20 [2022-11-16 12:41:52,150 INFO L226 Difference]: Without dead ends: 11 [2022-11-16 12:41:52,154 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:41:52,159 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:52,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 12:41:52,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-16 12:41:52,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-16 12:41:52,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:52,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-16 12:41:52,199 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-16 12:41:52,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:52,199 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-16 12:41:52,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:52,200 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-16 12:41:52,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 12:41:52,200 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:52,201 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-16 12:41:52,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:41:52,412 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:41:52,412 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:52,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:52,413 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-16 12:41:52,414 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:52,414 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [869611449] [2022-11-16 12:41:52,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:41:52,414 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:41:52,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:52,418 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:41:52,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-16 12:41:52,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:41:52,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-16 12:41:52,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:53,176 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:53,176 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:41:57,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:57,053 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:41:57,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [869611449] [2022-11-16 12:41:57,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [869611449] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:41:57,055 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:41:57,055 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-16 12:41:57,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801956848] [2022-11-16 12:41:57,060 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:41:57,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-16 12:41:57,063 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:41:57,064 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-16 12:41:57,064 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-11-16 12:41:57,065 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:57,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:41:57,194 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-16 12:41:57,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 12:41:57,197 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-16 12:41:57,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:41:57,198 INFO L225 Difference]: With dead ends: 16 [2022-11-16 12:41:57,198 INFO L226 Difference]: Without dead ends: 14 [2022-11-16 12:41:57,198 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-16 12:41:57,199 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 10 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:41:57,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 22 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 10 Unchecked, 0.1s Time] [2022-11-16 12:41:57,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-16 12:41:57,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-16 12:41:57,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:57,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-16 12:41:57,208 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-16 12:41:57,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:41:57,211 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-16 12:41:57,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:41:57,212 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-16 12:41:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-16 12:41:57,217 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:41:57,217 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-16 12:41:57,236 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:41:57,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:41:57,435 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:41:57,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:41:57,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-16 12:41:57,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:41:57,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708090330] [2022-11-16 12:41:57,437 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-16 12:41:57,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:41:57,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:41:57,438 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:41:57,445 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-16 12:41:57,631 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-16 12:41:57,631 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:41:57,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 118 conjunts are in the unsatisfiable core [2022-11-16 12:41:57,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:41:59,768 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:41:59,768 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:28,711 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:42:28,712 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:42:28,712 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708090330] [2022-11-16 12:42:28,712 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708090330] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:42:28,712 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:42:28,713 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2022-11-16 12:42:28,713 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650284381] [2022-11-16 12:42:28,713 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:42:28,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 12:42:28,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:42:28,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 12:42:28,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2022-11-16 12:42:28,715 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:42:28,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:42:28,955 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2022-11-16 12:42:28,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 12:42:28,957 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-16 12:42:28,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:42:28,958 INFO L225 Difference]: With dead ends: 19 [2022-11-16 12:42:28,958 INFO L226 Difference]: Without dead ends: 17 [2022-11-16 12:42:28,958 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2022-11-16 12:42:28,959 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 31 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 12:42:28,960 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 30 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 15 Invalid, 0 Unknown, 31 Unchecked, 0.1s Time] [2022-11-16 12:42:28,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-16 12:42:28,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2022-11-16 12:42:28,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 14 states have (on average 1.0714285714285714) internal successors, (15), 14 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:42:28,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2022-11-16 12:42:28,965 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 11 [2022-11-16 12:42:28,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:42:28,966 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2022-11-16 12:42:28,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 1.6666666666666667) internal successors, (20), 12 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:42:28,966 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2022-11-16 12:42:28,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-16 12:42:28,966 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 12:42:28,967 INFO L195 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1] [2022-11-16 12:42:28,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:42:29,174 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:42:29,175 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 12:42:29,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:42:29,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1580781475, now seen corresponding path program 3 times [2022-11-16 12:42:29,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-16 12:42:29,176 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [708521263] [2022-11-16 12:42:29,177 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 12:42:29,177 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:42:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat [2022-11-16 12:42:29,178 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-16 12:42:29,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-16 12:42:29,351 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-16 12:42:29,352 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 12:42:29,360 INFO L263 TraceCheckSpWp]: Trace formula consists of 305 conjuncts, 143 conjunts are in the unsatisfiable core [2022-11-16 12:42:29,366 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 12:42:33,354 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:42:33,355 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 12:42:57,335 WARN L233 SmtUtils]: Spent 5.39s on a formula simplification. DAG size of input: 386 DAG size of output: 229 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-16 12:43:12,252 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 12:43:12,253 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-16 12:43:12,253 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [708521263] [2022-11-16 12:43:12,253 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [708521263] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 12:43:12,253 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-16 12:43:12,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2022-11-16 12:43:12,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496242486] [2022-11-16 12:43:12,254 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-16 12:43:12,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2022-11-16 12:43:12,255 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-16 12:43:12,255 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2022-11-16 12:43:12,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2022-11-16 12:43:12,256 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:13,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:43:13,041 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2022-11-16 12:43:13,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-16 12:43:13,042 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-11-16 12:43:13,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 12:43:13,042 INFO L225 Difference]: With dead ends: 15 [2022-11-16 12:43:13,042 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 12:43:13,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=102, Invalid=240, Unknown=0, NotChecked=0, Total=342 [2022-11-16 12:43:13,045 INFO L413 NwaCegarLoop]: 3 mSDtfsCounter, 7 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 24 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 12:43:13,046 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 16 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 24 Unchecked, 0.0s Time] [2022-11-16 12:43:13,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 12:43:13,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 12:43:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:13,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 12:43:13,048 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2022-11-16 12:43:13,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 12:43:13,048 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 12:43:13,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 14 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:43:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 12:43:13,049 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 12:43:13,051 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 12:43:13,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:43:13,258 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-16 12:43:13,260 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 12:43:13,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 12:43:13,615 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 62 190) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv1 8) |ULTIMATE.start_main_~var_39~0#1|)) (.cse2 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_5~0#1|)) (.cse3 (= (_ bv1 8) |ULTIMATE.start_main_~var_23~0#1|)) (.cse4 (= |ULTIMATE.start_main_~var_39~0#1| |ULTIMATE.start_main_~state_12~0#1|)) (.cse5 (= (_ bv2 8) |ULTIMATE.start_main_~var_21~0#1|)) (.cse6 (= |ULTIMATE.start_main_~mask_SORT_26~0#1| (_ bv3 8))) (.cse7 (= |ULTIMATE.start_main_~var_15~0#1| (_ bv0 8))) (.cse8 (= |ULTIMATE.start_main_~var_11~0#1| (_ bv0 8)))) (or (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2 .cse3 .cse4 (= (_ bv0 8) |ULTIMATE.start_main_~state_18~0#1|) .cse5 .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~var_11~0#1| |ULTIMATE.start_main_~state_12~0#1|) .cse5 .cse6 .cse7 .cse8) (and .cse0 (not (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv0 32))) .cse1 .cse2 .cse3 .cse4 (= ((_ extract 7 0) (bvand (_ bv1 32) ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_1~0#1|))) |ULTIMATE.start_main_~state_18~0#1|) (let ((.cse10 ((_ zero_extend 24) |ULTIMATE.start_main_~var_21~0#1|)) (.cse11 ((_ zero_extend 24) |ULTIMATE.start_main_~mask_SORT_5~0#1|))) (or (and (exists ((|ULTIMATE.start_main_~var_31_arg_1~0#1| (_ BitVec 8))) (let ((.cse9 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_31_arg_1~0#1|)))))))) (and (= .cse9 .cse10) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse9))))) |ULTIMATE.start_main_~state_29~0#1|)))) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse12 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse12))))) |ULTIMATE.start_main_~state_16~0#1|) (= ((_ zero_extend 24) |ULTIMATE.start_main_~var_23~0#1|) .cse12))))) (exists ((|ULTIMATE.start_main_~var_48_arg_1~0#1| (_ BitVec 8))) (let ((.cse13 ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_48_arg_1~0#1|)))))))))))) (and (= .cse13 |ULTIMATE.start_main_~state_29~0#1|) (= .cse13 |ULTIMATE.start_main_~state_16~0#1|)))) (and (exists ((|ULTIMATE.start_main_~var_31_arg_1~0#1| (_ BitVec 8))) (let ((.cse14 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_31_arg_1~0#1|)))))))) (and (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse14))))) |ULTIMATE.start_main_~state_29~0#1|) (not (= .cse14 .cse10))))) (exists ((|ULTIMATE.start_main_~var_20_arg_2~0#1| (_ BitVec 8))) (let ((.cse15 ((_ zero_extend 24) ((_ extract 7 0) (bvand .cse11 ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_20_arg_2~0#1|)))))))) (and (not (= .cse10 .cse15)) (= ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) ((_ zero_extend 24) ((_ extract 7 0) .cse15))))) |ULTIMATE.start_main_~state_16~0#1|))))))) .cse5 .cse6 .cse7 .cse8))) [2022-11-16 12:43:13,616 INFO L899 garLoopResultBuilder]: For program point L62-3(lines 62 190) no Hoare annotation was computed. [2022-11-16 12:43:13,616 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 12:43:13,616 INFO L895 garLoopResultBuilder]: At program point L191(lines 22 192) the Hoare annotation is: false [2022-11-16 12:43:13,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 12:43:13,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 12:43:13,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-16 12:43:13,617 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-16 12:43:13,617 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-16 12:43:13,617 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-16 12:43:13,622 INFO L444 BasicCegarLoop]: Path program histogram: [3, 1] [2022-11-16 12:43:13,625 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 12:43:13,637 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,638 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,639 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,641 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,641 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,642 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,642 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,644 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,647 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,647 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,665 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,665 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,666 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,666 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,666 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,667 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,667 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,667 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,667 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,668 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:43:13 BoogieIcfgContainer [2022-11-16 12:43:13,673 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 12:43:13,674 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:43:13,674 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:43:13,675 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:43:13,675 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:41:51" (3/4) ... [2022-11-16 12:43:13,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 12:43:13,693 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-16 12:43:13,693 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-16 12:43:13,693 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 12:43:13,722 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_39 == state_12) && 0bv8 == state_18) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8) || ((((((((1bv8 == mask_SORT_1 && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_11 == state_12) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8)) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && ((((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_23) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0]))) || (\exists ULTIMATE.start_main_~var_48_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_29 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16)) || ((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8) [2022-11-16 12:43:13,763 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:43:13,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:43:13,764 INFO L158 Benchmark]: Toolchain (without parser) took 83367.51ms. Allocated memory was 56.6MB in the beginning and 337.6MB in the end (delta: 281.0MB). Free memory was 35.2MB in the beginning and 185.2MB in the end (delta: -150.0MB). Peak memory consumption was 133.6MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,764 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:43:13,765 INFO L158 Benchmark]: CACSL2BoogieTranslator took 347.92ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 38.8MB in the end (delta: -3.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.60ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 36.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,765 INFO L158 Benchmark]: Boogie Preprocessor took 32.55ms. Allocated memory is still 56.6MB. Free memory was 36.5MB in the beginning and 34.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,766 INFO L158 Benchmark]: RCFGBuilder took 603.06ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 44.4MB in the end (delta: -9.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,766 INFO L158 Benchmark]: TraceAbstraction took 82239.66ms. Allocated memory was 69.2MB in the beginning and 337.6MB in the end (delta: 268.4MB). Free memory was 43.9MB in the beginning and 189.4MB in the end (delta: -145.4MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,767 INFO L158 Benchmark]: Witness Printer took 89.12ms. Allocated memory is still 337.6MB. Free memory was 189.4MB in the beginning and 185.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:43:13,770 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.6MB in the beginning and 38.5MB in the end (delta: 47.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 347.92ms. Allocated memory is still 56.6MB. Free memory was 35.0MB in the beginning and 38.8MB in the end (delta: -3.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.60ms. Allocated memory is still 56.6MB. Free memory was 38.8MB in the beginning and 36.5MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.55ms. Allocated memory is still 56.6MB. Free memory was 36.5MB in the beginning and 34.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.06ms. Allocated memory was 56.6MB in the beginning and 69.2MB in the end (delta: 12.6MB). Free memory was 34.7MB in the beginning and 44.4MB in the end (delta: -9.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * TraceAbstraction took 82239.66ms. Allocated memory was 69.2MB in the beginning and 337.6MB in the end (delta: 268.4MB). Free memory was 43.9MB in the beginning and 189.4MB in the end (delta: -145.4MB). Peak memory consumption was 123.7MB. Max. memory is 16.1GB. * Witness Printer took 89.12ms. Allocated memory is still 337.6MB. Free memory was 189.4MB in the beginning and 185.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 82.1s, OverallIterations: 4, TraceHistogramMax: 4, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 81 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 65 IncrementalHoareTripleChecker+Unchecked, 65 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 48 IncrementalHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 16 mSDtfsCounter, 48 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 76 GetRequests, 34 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 24.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=3, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 6 NumberOfFragments, 256 HoareAnnotationTreeSize, 2 FomulaSimplifications, 191 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 80 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 78.7s InterpolantComputationTime, 38 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 64 ConstructedInterpolants, 27 QuantifiedInterpolants, 14536 SizeOfPredicates, 367 NumberOfNonLiveVariables, 878 ConjunctsInSsa, 332 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 16/48 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 62]: Loop Invariant [2022-11-16 12:43:13,800 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,801 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,802 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,802 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,802 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,803 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,803 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,803 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,804 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,804 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,806 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,811 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_48_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,812 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_31_arg_1~0#1,QUANTIFIED] [2022-11-16 12:43:13,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] [2022-11-16 12:43:13,813 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_20_arg_2~0#1,QUANTIFIED] Derived loop invariant: (((((((((((1bv8 == mask_SORT_1 && cond == 1bv32) && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_39 == state_12) && 0bv8 == state_18) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8) || ((((((((1bv8 == mask_SORT_1 && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_11 == state_12) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8)) || (((((((((((1bv8 == mask_SORT_1 && !(cond == 0bv32)) && 1bv8 == var_39) && 7bv8 == mask_SORT_5) && 1bv8 == var_23) && var_39 == state_12) && ~bvand32(1bv32, ~zero_extendFrom8To32(mask_SORT_1))[7:0] == state_18) && ((((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16 && ~zero_extendFrom8To32(var_23) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0]))) || (\exists ULTIMATE.start_main_~var_48_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_29 && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_48_arg_1~0#1)[7:0])[7:0])[7:0])[7:0])[7:0] == state_16)) || ((\exists ULTIMATE.start_main_~var_31_arg_1~0#1 : bv8 :: ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_29 && !(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_31_arg_1~0#1)[7:0]))[7:0]) == ~zero_extendFrom8To32(var_21))) && (\exists ULTIMATE.start_main_~var_20_arg_2~0#1 : bv8 :: !(~zero_extendFrom8To32(var_21) == ~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])) && ~zero_extendFrom8To32(~zero_extendFrom8To32(~zero_extendFrom8To32(~bvand32(~zero_extendFrom8To32(mask_SORT_5), ~zero_extendFrom8To32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_20_arg_2~0#1)[7:0]))[7:0])[7:0])[7:0])[7:0] == state_16)))) && 2bv8 == var_21) && mask_SORT_26 == 3bv8) && var_15 == 0bv8) && var_11 == 0bv8) RESULT: Ultimate proved your program to be correct! [2022-11-16 12:43:13,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0485beb8-fc84-44d0-80e0-cb81c384fe72/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE