./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8 --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 540d60d8f709b0e6fc2f95a449fbe554b202d2aed55e49e1eff4be52954e966a --- 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-2329fc7 [2022-12-13 18:44:37,807 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:44:37,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:44:37,826 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:44:37,827 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:44:37,827 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:44:37,829 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:44:37,830 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:44:37,831 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:44:37,832 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:44:37,833 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:44:37,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:44:37,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:44:37,835 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:44:37,836 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:44:37,837 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:44:37,838 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:44:37,839 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:44:37,840 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:44:37,842 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:44:37,843 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:44:37,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:44:37,845 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:44:37,846 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:44:37,849 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:44:37,850 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:44:37,850 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:44:37,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:44:37,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:44:37,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:44:37,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:44:37,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:44:37,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:44:37,854 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:44:37,855 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:44:37,855 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:44:37,856 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:44:37,856 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:44:37,856 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:44:37,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:44:37,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:44:37,858 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-12-13 18:44:37,877 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:44:37,877 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:44:37,877 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:44:37,878 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:44:37,878 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:44:37,878 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:44:37,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:44:37,879 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:44:37,879 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:44:37,879 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:44:37,880 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 18:44:37,880 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:44:37,880 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:44:37,880 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:44:37,880 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:44:37,881 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:44:37,881 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:44:37,882 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:44:37,882 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:44:37,883 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:44:37,883 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:44:37,883 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:44:37,883 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 540d60d8f709b0e6fc2f95a449fbe554b202d2aed55e49e1eff4be52954e966a [2022-12-13 18:44:38,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:44:38,112 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:44:38,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:44:38,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:44:38,116 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:44:38,117 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:40,743 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:44:40,892 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:44:40,893 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:40,899 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/7cc1b5456/7ae8c55366b4455fb7332f1f3aa27a6c/FLAGa7f7b141c [2022-12-13 18:44:40,912 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/7cc1b5456/7ae8c55366b4455fb7332f1f3aa27a6c [2022-12-13 18:44:40,914 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:44:40,915 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:44:40,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:44:40,917 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:44:40,920 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:44:40,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:44:40" (1/1) ... [2022-12-13 18:44:40,922 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c16a2ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:40, skipping insertion in model container [2022-12-13 18:44:40,922 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:44:40" (1/1) ... [2022-12-13 18:44:40,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:44:40,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:44:41,028 WARN L237 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_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1107,1120] [2022-12-13 18:44:41,051 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:44:41,054 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:44:41,062 WARN L237 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_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1107,1120] [2022-12-13 18:44:41,074 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:44:41,083 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:44:41,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41 WrapperNode [2022-12-13 18:44:41,083 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:44:41,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:44:41,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:44:41,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:44:41,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,094 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,109 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-13 18:44:41,109 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:44:41,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:44:41,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:44:41,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:44:41,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,119 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,123 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,127 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:44:41,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:44:41,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:44:41,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:44:41,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (1/1) ... [2022-12-13 18:44:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:44:41,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:41,158 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:44:41,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:44:41,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:44:41,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:44:41,244 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:44:41,246 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:44:41,376 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:44:41,381 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:44:41,381 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:44:41,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:41 BoogieIcfgContainer [2022-12-13 18:44:41,383 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:44:41,386 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:44:41,386 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:44:41,389 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:44:41,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:44:40" (1/3) ... [2022-12-13 18:44:41,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6ab462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:44:41, skipping insertion in model container [2022-12-13 18:44:41,390 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:41" (2/3) ... [2022-12-13 18:44:41,390 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c6ab462 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:44:41, skipping insertion in model container [2022-12-13 18:44:41,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:41" (3/3) ... [2022-12-13 18:44:41,392 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:41,406 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:44:41,407 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:44:41,441 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:44:41,446 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;@ea4fc18, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:44:41,446 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:44:41,449 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) [2022-12-13 18:44:41,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:44:41,454 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:41,454 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:44:41,454 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:41,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:41,458 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 18:44:41,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 18:44:41,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006882263] [2022-12-13 18:44:41,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:41,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 18:44:41,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:44:41,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 18:44:41,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 18:44:41,625 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 18:44:41,627 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-13 18:44:41,628 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:44:41,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 18:44:41,633 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-13 18:44:41,636 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:44:41,645 WARN L321 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-12-13 18:44:41,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:44:41 BoogieIcfgContainer [2022-12-13 18:44:41,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:44:41,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:44:41,650 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:44:41,650 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:44:41,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:41" (3/4) ... [2022-12-13 18:44:41,653 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 18:44:41,653 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:44:41,654 INFO L158 Benchmark]: Toolchain (without parser) took 739.16ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 87.0MB in the end (delta: 46.6MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,654 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory was 133.9MB in the beginning and 133.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:44:41,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.81ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 122.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 24.94ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,655 INFO L158 Benchmark]: Boogie Preprocessor took 20.12ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 986.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,656 INFO L158 Benchmark]: RCFGBuilder took 252.87ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 107.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,656 INFO L158 Benchmark]: TraceAbstraction took 263.88ms. Allocated memory is still 172.0MB. Free memory was 106.5MB in the beginning and 87.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 18:44:41,656 INFO L158 Benchmark]: Witness Printer took 3.17ms. Allocated memory is still 172.0MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:44:41,658 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 172.0MB. Free memory was 133.9MB in the beginning and 133.9MB in the end (delta: 28.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.81ms. Allocated memory is still 172.0MB. Free memory was 133.6MB in the beginning and 122.6MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 24.94ms. Allocated memory is still 172.0MB. Free memory was 122.6MB in the beginning and 120.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.12ms. Allocated memory is still 172.0MB. Free memory was 120.6MB in the beginning and 119.6MB in the end (delta: 986.6kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.87ms. Allocated memory is still 172.0MB. Free memory was 119.6MB in the beginning and 107.0MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 263.88ms. Allocated memory is still 172.0MB. Free memory was 106.5MB in the beginning and 87.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 3.17ms. Allocated memory is still 172.0MB. Free memory is still 87.0MB. 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 63, overapproximation of bitwiseAnd at line 57. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 3); [L29] const SORT_3 msb_SORT_3 = (SORT_3)1 << (3 - 1); [L31] const SORT_7 mask_SORT_7 = (SORT_7)-1 >> (sizeof(SORT_7) * 8 - 32); [L32] const SORT_7 msb_SORT_7 = (SORT_7)1 << (32 - 1); [L34] const SORT_21 mask_SORT_21 = (SORT_21)-1 >> (sizeof(SORT_21) * 8 - 2); [L35] const SORT_21 msb_SORT_21 = (SORT_21)1 << (2 - 1); [L37] const SORT_3 var_4 = 2; [L38] const SORT_7 var_9 = 2; [L39] const SORT_1 var_13 = 1; [L40] const SORT_3 var_17 = 6; [L42] SORT_1 input_2; [L44] SORT_3 state_5 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L45] SORT_3 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_3; [L47] SORT_3 init_6_arg_1 = var_4; [L48] state_5 = init_6_arg_1 [L49] SORT_3 init_19_arg_1 = var_17; [L50] state_18 = init_19_arg_1 VAL [init_19_arg_1=6, init_6_arg_1=2, mask_SORT_1=1, mask_SORT_21=3, mask_SORT_3=7, mask_SORT_7=4294967295, msb_SORT_1=1, msb_SORT_21=2, msb_SORT_3=4, msb_SORT_7=2147483648, state_18=6, state_5=2, var_13=1, var_17=6, var_4=2, var_9=2] [L53] input_2 = __VERIFIER_nondet_uchar() [L56] SORT_3 var_8_arg_0 = state_5; [L57] var_8_arg_0 = var_8_arg_0 & mask_SORT_3 [L58] SORT_7 var_8 = var_8_arg_0; [L59] SORT_7 var_10_arg_0 = var_8; [L60] SORT_7 var_10_arg_1 = var_9; [L61] SORT_1 var_10 = var_10_arg_0 >= var_10_arg_1; [L62] SORT_1 var_14_arg_0 = var_10; [L63] SORT_1 var_14 = ~var_14_arg_0; [L64] SORT_1 var_15_arg_0 = var_13; [L65] SORT_1 var_15_arg_1 = var_14; [L66] SORT_1 var_15 = var_15_arg_0 & var_15_arg_1; [L67] var_15 = var_15 & mask_SORT_1 [L68] SORT_1 bad_16_arg_0 = var_15; [L69] CALL __VERIFIER_assert(!(bad_16_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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=11occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 5 NumberOfCodeBlocks, 5 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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 [2022-12-13 18:44:41,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8 --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 540d60d8f709b0e6fc2f95a449fbe554b202d2aed55e49e1eff4be52954e966a --- 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-2329fc7 [2022-12-13 18:44:43,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 18:44:43,328 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 18:44:43,348 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 18:44:43,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 18:44:43,349 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 18:44:43,351 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 18:44:43,352 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 18:44:43,354 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 18:44:43,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 18:44:43,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 18:44:43,357 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 18:44:43,357 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 18:44:43,358 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 18:44:43,359 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 18:44:43,360 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 18:44:43,361 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 18:44:43,362 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 18:44:43,364 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 18:44:43,365 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 18:44:43,367 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 18:44:43,368 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 18:44:43,369 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 18:44:43,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 18:44:43,374 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 18:44:43,374 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 18:44:43,374 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 18:44:43,375 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 18:44:43,376 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 18:44:43,376 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 18:44:43,377 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 18:44:43,378 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 18:44:43,378 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 18:44:43,379 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 18:44:43,380 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 18:44:43,380 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 18:44:43,381 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 18:44:43,381 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 18:44:43,381 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 18:44:43,382 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 18:44:43,383 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 18:44:43,383 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-12-13 18:44:43,405 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 18:44:43,406 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 18:44:43,406 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 18:44:43,406 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 18:44:43,407 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 18:44:43,407 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 18:44:43,408 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 18:44:43,408 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 18:44:43,408 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 18:44:43,408 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 18:44:43,408 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-12-13 18:44:43,409 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 18:44:43,410 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 18:44:43,410 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:44:43,411 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 18:44:43,411 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 18:44:43,418 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 18:44:43,418 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 18:44:43,418 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-12-13 18:44:43,418 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 18:44:43,418 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 540d60d8f709b0e6fc2f95a449fbe554b202d2aed55e49e1eff4be52954e966a [2022-12-13 18:44:43,617 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 18:44:43,632 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 18:44:43,634 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 18:44:43,634 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 18:44:43,635 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 18:44:43,635 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:46,263 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 18:44:46,415 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 18:44:46,416 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:46,421 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/6137db78d/16d53e6d66a4483d8e4320d9feb65573/FLAGaa0c282d9 [2022-12-13 18:44:46,431 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/data/6137db78d/16d53e6d66a4483d8e4320d9feb65573 [2022-12-13 18:44:46,433 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 18:44:46,434 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 18:44:46,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 18:44:46,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 18:44:46,437 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 18:44:46,438 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,438 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e986e58 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46, skipping insertion in model container [2022-12-13 18:44:46,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,443 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 18:44:46,459 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 18:44:46,563 WARN L237 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_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1107,1120] [2022-12-13 18:44:46,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:44:46,603 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 18:44:46,612 WARN L237 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_386d3ef3-1f02-43f2-a340-84e56802bee1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.bit-vector.c[1107,1120] [2022-12-13 18:44:46,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 18:44:46,640 INFO L208 MainTranslator]: Completed translation [2022-12-13 18:44:46,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46 WrapperNode [2022-12-13 18:44:46,641 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 18:44:46,642 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 18:44:46,642 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 18:44:46,642 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 18:44:46,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,670 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-12-13 18:44:46,670 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 18:44:46,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 18:44:46,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 18:44:46,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 18:44:46,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,680 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,681 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 18:44:46,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 18:44:46,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 18:44:46,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 18:44:46,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (1/1) ... [2022-12-13 18:44:46,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 18:44:46,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 18:44:46,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 18:44:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 18:44:46,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 18:44:46,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 18:44:46,833 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 18:44:46,835 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 18:44:46,947 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 18:44:46,953 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 18:44:46,953 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 18:44:46,955 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:46 BoogieIcfgContainer [2022-12-13 18:44:46,955 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 18:44:46,958 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 18:44:46,958 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 18:44:46,961 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 18:44:46,961 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 06:44:46" (1/3) ... [2022-12-13 18:44:46,962 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13708a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:44:46, skipping insertion in model container [2022-12-13 18:44:46,962 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 06:44:46" (2/3) ... [2022-12-13 18:44:46,963 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13708a6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 06:44:46, skipping insertion in model container [2022-12-13 18:44:46,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:46" (3/3) ... [2022-12-13 18:44:46,964 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.bit-vector.c [2022-12-13 18:44:46,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 18:44:46,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 18:44:47,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 18:44:47,034 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;@1eccf94f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 18:44:47,034 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 18:44:47,038 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) [2022-12-13 18:44:47,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-13 18:44:47,044 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:47,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-13 18:44:47,046 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:47,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:47,051 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-12-13 18:44:47,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:44:47,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [40388867] [2022-12-13 18:44:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:47,063 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 [2022-12-13 18:44:47,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:44:47,064 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:44:47,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:47,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:47,124 WARN L261 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 19 conjunts are in the unsatisfiable core [2022-12-13 18:44:47,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:47,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:44:47,324 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 18:44:47,325 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:44:47,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [40388867] [2022-12-13 18:44:47,326 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [40388867] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 18:44:47,326 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 18:44:47,326 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 18:44:47,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1629693670] [2022-12-13 18:44:47,328 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 18:44:47,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 18:44:47,333 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:44:47,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 18:44:47,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 18:44:47,359 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) [2022-12-13 18:44:47,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:47,406 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-12-13 18:44:47,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:47,408 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 [2022-12-13 18:44:47,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:47,415 INFO L225 Difference]: With dead ends: 20 [2022-12-13 18:44:47,415 INFO L226 Difference]: Without dead ends: 11 [2022-12-13 18:44:47,418 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 [2022-12-13 18:44:47,421 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 [2022-12-13 18:44:47,422 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] [2022-12-13 18:44:47,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-12-13 18:44:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-12-13 18:44:47,451 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) [2022-12-13 18:44:47,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-12-13 18:44:47,452 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-12-13 18:44:47,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:47,453 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-12-13 18:44:47,453 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) [2022-12-13 18:44:47,453 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-12-13 18:44:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-13 18:44:47,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:47,454 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-12-13 18:44:47,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:47,654 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:47,655 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:47,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:47,656 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-12-13 18:44:47,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:44:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424660150] [2022-12-13 18:44:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 18:44:47,657 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 [2022-12-13 18:44:47,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:44:47,657 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:44:47,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:47,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 18:44:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 26 conjunts are in the unsatisfiable core [2022-12-13 18:44:47,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:44:47,877 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:44:48,101 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:44:48,102 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:44:48,102 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424660150] [2022-12-13 18:44:48,102 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424660150] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:44:48,102 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:44:48,103 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-12-13 18:44:48,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [79663285] [2022-12-13 18:44:48,103 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:44:48,104 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-12-13 18:44:48,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:44:48,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 18:44:48,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-12-13 18:44:48,105 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) [2022-12-13 18:44:48,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:48,227 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-12-13 18:44:48,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-13 18:44:48,228 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 [2022-12-13 18:44:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:48,229 INFO L225 Difference]: With dead ends: 16 [2022-12-13 18:44:48,229 INFO L226 Difference]: Without dead ends: 14 [2022-12-13 18:44:48,229 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2022-12-13 18:44:48,230 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 11 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:48,231 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 21 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 18:44:48,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-12-13 18:44:48,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-12-13 18:44:48,234 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) [2022-12-13 18:44:48,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-12-13 18:44:48,235 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-12-13 18:44:48,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:48,235 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-12-13 18:44:48,236 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) [2022-12-13 18:44:48,236 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-12-13 18:44:48,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 18:44:48,236 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 18:44:48,236 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-12-13 18:44:48,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:48,437 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:48,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 18:44:48,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 18:44:48,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-12-13 18:44:48,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-12-13 18:44:48,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1809028860] [2022-12-13 18:44:48,445 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-13 18:44:48,445 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 [2022-12-13 18:44:48,446 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/mathsat [2022-12-13 18:44:48,449 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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) [2022-12-13 18:44:48,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:48,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-13 18:44:48,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-13 18:44:48,644 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-13 18:44:48,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 18:44:48,815 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:44:48,815 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 18:44:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 18:44:49,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-12-13 18:44:49,092 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1809028860] [2022-12-13 18:44:49,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1809028860] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 18:44:49,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-13 18:44:49,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-12-13 18:44:49,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472368476] [2022-12-13 18:44:49,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-13 18:44:49,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-13 18:44:49,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-12-13 18:44:49,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-13 18:44:49,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-12-13 18:44:49,094 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:44:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 18:44:51,259 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2022-12-13 18:44:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 18:44:51,260 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-12-13 18:44:51,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 18:44:51,260 INFO L225 Difference]: With dead ends: 12 [2022-12-13 18:44:51,260 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 18:44:51,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2022-12-13 18:44:51,261 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 10 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-13 18:44:51,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 7 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-13 18:44:51,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 18:44:51,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 18:44:51,262 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) [2022-12-13 18:44:51,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 18:44:51,262 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-12-13 18:44:51,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 18:44:51,262 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 18:44:51,262 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.0) internal successors, (20), 10 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 18:44:51,262 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 18:44:51,262 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 18:44:51,264 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 18:44:51,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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)] Ended with exit code 0 [2022-12-13 18:44:51,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/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 [2022-12-13 18:44:51,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 18:44:51,602 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 22 94) the Hoare annotation is: false [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-12-13 18:44:51,603 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-12-13 18:44:51,604 INFO L895 garLoopResultBuilder]: At program point L51-2(lines 51 92) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= (_ bv7 8) |ULTIMATE.start_main_~mask_SORT_3~0#1|)) (.cse2 (= (_ bv2 32) |ULTIMATE.start_main_~var_9~0#1|)) (.cse3 (= (_ bv3 8) |ULTIMATE.start_main_~mask_SORT_21~0#1|))) (or (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) (exists ((|ULTIMATE.start_main_~var_28_arg_1~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvor (_ bv4 32) ((_ zero_extend 24) |ULTIMATE.start_main_~var_28_arg_1~0#1|))) |ULTIMATE.start_main_~state_18~0#1|)) (exists ((|ULTIMATE.start_main_~var_24_arg_0~0#1| (_ BitVec 8)) (|ULTIMATE.start_main_~var_28_arg_1~0#1| (_ BitVec 8))) (= ((_ extract 7 0) (bvor (bvshl ((_ zero_extend 24) |ULTIMATE.start_main_~var_24_arg_0~0#1|) (_ bv2 32)) ((_ zero_extend 24) ((_ extract 7 0) (bvand (_ bv3 32) ((_ zero_extend 24) ((_ extract 7 0) (bvashr ((_ zero_extend 24) ((_ extract 7 0) (bvor (_ bv4 32) ((_ zero_extend 24) |ULTIMATE.start_main_~var_28_arg_1~0#1|)))) (_ bv1 32))))))))) |ULTIMATE.start_main_~state_5~0#1|)) .cse1 .cse2 .cse3) (and (= (_ bv2 8) |ULTIMATE.start_main_~state_5~0#1|) (= (_ bv6 8) |ULTIMATE.start_main_~state_18~0#1|) .cse0 .cse1 .cse2 .cse3))) [2022-12-13 18:44:51,604 INFO L899 garLoopResultBuilder]: For program point L51-3(lines 51 92) no Hoare annotation was computed. [2022-12-13 18:44:51,607 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-12-13 18:44:51,608 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 18:44:51,614 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,614 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] [2022-12-13 18:44:51,614 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,619 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,619 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] [2022-12-13 18:44:51,619 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 06:44:51 BoogieIcfgContainer [2022-12-13 18:44:51,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 18:44:51,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 18:44:51,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 18:44:51,621 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 18:44:51,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 06:44:46" (3/4) ... [2022-12-13 18:44:51,623 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 18:44:51,630 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 18:44:51,630 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 18:44:51,631 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 18:44:51,647 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((1bv8 == mask_SORT_1 && cond == 1bv32) && (\exists ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor32(4bv32, ~zero_extendFrom8To32(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == state_18)) && (\exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvashr32(~zero_extendFrom8To32(~bvor32(4bv32, ~zero_extendFrom8To32(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == state_5)) && 7bv8 == mask_SORT_3) && 2bv32 == var_9) && 3bv8 == mask_SORT_21) || (((((2bv8 == state_5 && 6bv8 == state_18) && 1bv8 == mask_SORT_1) && 7bv8 == mask_SORT_3) && 2bv32 == var_9) && 3bv8 == mask_SORT_21) [2022-12-13 18:44:51,654 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 18:44:51,654 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 18:44:51,655 INFO L158 Benchmark]: Toolchain (without parser) took 5221.19ms. Allocated memory is still 79.7MB. Free memory was 57.8MB in the beginning and 38.2MB in the end (delta: 19.5MB). Peak memory consumption was 21.8MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,655 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:44:51,655 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.76ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 46.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,655 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.92ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 44.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,656 INFO L158 Benchmark]: Boogie Preprocessor took 22.17ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 43.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 18:44:51,656 INFO L158 Benchmark]: RCFGBuilder took 261.32ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 53.3MB in the end (delta: -10.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,656 INFO L158 Benchmark]: TraceAbstraction took 4662.76ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 40.9MB in the end (delta: 11.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,656 INFO L158 Benchmark]: Witness Printer took 33.64ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 18:44:51,657 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 54.5MB. Free memory is still 33.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.76ms. Allocated memory is still 79.7MB. Free memory was 57.5MB in the beginning and 46.4MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.92ms. Allocated memory is still 79.7MB. Free memory was 46.4MB in the beginning and 44.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.17ms. Allocated memory is still 79.7MB. Free memory was 44.7MB in the beginning and 43.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 261.32ms. Allocated memory is still 79.7MB. Free memory was 43.3MB in the beginning and 53.3MB in the end (delta: -10.0MB). Peak memory consumption was 8.3MB. Max. memory is 16.1GB. * TraceAbstraction took 4662.76ms. Allocated memory is still 79.7MB. Free memory was 52.5MB in the beginning and 40.9MB in the end (delta: 11.6MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * Witness Printer took 33.64ms. Allocated memory is still 79.7MB. Free memory was 40.9MB in the beginning and 38.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. 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_28_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#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: 4.6s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 41 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 39 IncrementalHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 11 mSDtfsCounter, 39 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 17, 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, 3 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 5 NumberOfFragments, 68 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 74 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 16 QuantifiedInterpolants, 839 SizeOfPredicates, 74 NumberOfNonLiveVariables, 204 ConjunctsInSsa, 77 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/18 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: 51]: Loop Invariant [2022-12-13 18:44:51,661 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,661 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] [2022-12-13 18:44:51,662 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,662 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] [2022-12-13 18:44:51,662 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_24_arg_0~0#1,QUANTIFIED] [2022-12-13 18:44:51,662 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_28_arg_1~0#1,QUANTIFIED] Derived loop invariant: ((((((1bv8 == mask_SORT_1 && cond == 1bv32) && (\exists ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor32(4bv32, ~zero_extendFrom8To32(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0] == state_18)) && (\exists ULTIMATE.start_main_~var_24_arg_0~0#1 : bv8, ULTIMATE.start_main_~var_28_arg_1~0#1 : bv8 :: ~bvor32(~bvshl32(~zero_extendFrom8To32(ULTIMATE.start_main_~var_24_arg_0~0#1), 2bv32), ~zero_extendFrom8To32(~bvand32(3bv32, ~zero_extendFrom8To32(~bvashr32(~zero_extendFrom8To32(~bvor32(4bv32, ~zero_extendFrom8To32(ULTIMATE.start_main_~var_28_arg_1~0#1))[7:0]), 1bv32)[7:0]))[7:0]))[7:0] == state_5)) && 7bv8 == mask_SORT_3) && 2bv32 == var_9) && 3bv8 == mask_SORT_21) || (((((2bv8 == state_5 && 6bv8 == state_18) && 1bv8 == mask_SORT_1) && 7bv8 == mask_SORT_3) && 2bv32 == var_9) && 3bv8 == mask_SORT_21) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-12-13 18:44:51,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_386d3ef3-1f02-43f2-a340-84e56802bee1/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE