./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 38b53e6a 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_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R --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 fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 --- 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-38b53e6 [2022-11-25 15:44:57,784 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:44:57,787 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:44:57,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:44:57,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:44:57,821 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:44:57,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:44:57,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:44:57,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:44:57,836 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:44:57,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:44:57,841 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:44:57,841 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:44:57,846 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:44:57,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:44:57,852 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:44:57,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:44:57,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:44:57,856 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:44:57,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:44:57,866 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:44:57,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:44:57,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:44:57,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:44:57,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:44:57,882 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:44:57,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:44:57,885 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:44:57,886 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:44:57,887 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:44:57,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:44:57,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:44:57,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:44:57,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:44:57,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:44:57,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:44:57,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:44:57,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:44:57,896 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:44:57,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:44:57,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:44:57,900 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-11-25 15:44:57,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:44:57,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:44:57,944 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:44:57,944 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:44:57,945 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:44:57,945 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:44:57,946 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:44:57,946 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:44:57,947 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:44:57,947 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:44:57,948 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 15:44:57,948 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:44:57,948 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:44:57,949 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:44:57,949 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:44:57,949 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:44:57,949 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:44:57,949 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:44:57,950 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:44:57,950 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:44:57,950 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:44:57,950 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:44:57,951 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:44:57,951 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:44:57,951 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:44:57,951 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 15:44:57,951 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 15:44:57,952 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:44:57,952 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:44:57,952 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:44:57,952 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:44:57,952 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_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 [2022-11-25 15:44:58,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:44:58,283 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:44:58,287 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:44:58,288 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:44:58,289 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:44:58,290 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-25 15:45:01,479 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:45:01,772 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:45:01,773 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-25 15:45:01,783 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/fdd30c6a2/c6c52cd1d06c4e3fa2b404433b31fa97/FLAGa7e54e26b [2022-11-25 15:45:01,802 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/fdd30c6a2/c6c52cd1d06c4e3fa2b404433b31fa97 [2022-11-25 15:45:01,805 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:45:01,806 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:45:01,808 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:45:01,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:45:01,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:45:01,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:01" (1/1) ... [2022-11-25 15:45:01,817 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13690091 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:01, skipping insertion in model container [2022-11-25 15:45:01,817 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:01" (1/1) ... [2022-11-25 15:45:01,826 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:45:01,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:45:02,024 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_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-25 15:45:02,085 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:45:02,092 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:45:02,104 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_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-25 15:45:02,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:45:02,181 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:45:02,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02 WrapperNode [2022-11-25 15:45:02,182 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:45:02,183 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:45:02,183 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:45:02,183 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:45:02,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,232 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-25 15:45:02,236 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:45:02,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:45:02,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:45:02,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:45:02,252 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,277 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,294 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,304 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:45:02,305 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:45:02,305 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:45:02,305 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:45:02,306 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (1/1) ... [2022-11-25 15:45:02,317 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:45:02,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:45:02,348 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:45:02,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:45:02,410 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:45:02,410 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:45:02,560 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:45:02,562 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:45:02,914 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:45:02,923 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:45:02,923 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:45:02,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:02 BoogieIcfgContainer [2022-11-25 15:45:02,926 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:45:02,929 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:45:02,929 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:45:02,933 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:45:02,934 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:45:01" (1/3) ... [2022-11-25 15:45:02,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d3d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:45:02, skipping insertion in model container [2022-11-25 15:45:02,935 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:02" (2/3) ... [2022-11-25 15:45:02,935 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4d3d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:45:02, skipping insertion in model container [2022-11-25 15:45:02,936 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:02" (3/3) ... [2022-11-25 15:45:02,937 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2022-11-25 15:45:02,963 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:45:02,964 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:45:03,027 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:45:03,036 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;@416126d7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:45:03,036 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:45:03,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:03,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:45:03,049 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:03,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:45:03,051 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:45:03,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:03,057 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 15:45:03,065 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 15:45:03,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450752388] [2022-11-25 15:45:03,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:45:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 15:45:03,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:45:03,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-25 15:45:03,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-25 15:45:03,594 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-25 15:45:03,596 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-11-25 15:45:03,598 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:45:03,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 15:45:03,606 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-11-25 15:45:03,612 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:45:03,648 WARN L320 BoogieBacktranslator]: Removing null node from list of ATEs: ATE program state null [2022-11-25 15:45:03,664 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:45:03 BoogieIcfgContainer [2022-11-25 15:45:03,664 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:45:03,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:45:03,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:45:03,668 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:45:03,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:02" (3/4) ... [2022-11-25 15:45:03,673 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-25 15:45:03,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:45:03,675 INFO L158 Benchmark]: Toolchain (without parser) took 1868.57ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 75.3MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,676 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:45:03,677 INFO L158 Benchmark]: CACSL2BoogieTranslator took 374.24ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 118.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,678 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.30ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 116.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,680 INFO L158 Benchmark]: Boogie Preprocessor took 67.15ms. Allocated memory is still 161.5MB. Free memory was 116.0MB in the beginning and 115.1MB in the end (delta: 902.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,686 INFO L158 Benchmark]: RCFGBuilder took 621.42ms. Allocated memory is still 161.5MB. Free memory was 115.1MB in the beginning and 98.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,687 INFO L158 Benchmark]: TraceAbstraction took 735.69ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 75.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:03,689 INFO L158 Benchmark]: Witness Printer took 6.66ms. Allocated memory is still 161.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:45:03,699 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 115.3MB. Free memory is still 68.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 374.24ms. Allocated memory is still 161.5MB. Free memory was 129.8MB in the beginning and 118.1MB in the end (delta: 11.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.30ms. Allocated memory is still 161.5MB. Free memory was 118.1MB in the beginning and 116.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.15ms. Allocated memory is still 161.5MB. Free memory was 116.0MB in the beginning and 115.1MB in the end (delta: 902.2kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 621.42ms. Allocated memory is still 161.5MB. Free memory was 115.1MB in the beginning and 98.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 735.69ms. Allocated memory is still 161.5MB. Free memory was 97.7MB in the beginning and 75.3MB in the end (delta: 22.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * Witness Printer took 6.66ms. Allocated memory is still 161.5MB. Free memory is still 75.3MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 20]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of bitwiseComplement at line 85, overapproximation of bitwiseOr at line 96, overapproximation of bitwiseAnd at line 79. Possible FailurePath: [L25] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L26] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L28] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 8); [L29] const SORT_4 msb_SORT_4 = (SORT_4)1 << (8 - 1); [L31] const SORT_12 mask_SORT_12 = (SORT_12)-1 >> (sizeof(SORT_12) * 8 - 32); [L32] const SORT_12 msb_SORT_12 = (SORT_12)1 << (32 - 1); [L34] const SORT_4 var_8 = 0; [L35] const SORT_12 var_14 = 1; [L36] const SORT_1 var_25 = 1; [L37] const SORT_1 var_42 = 0; [L39] SORT_1 input_2; [L40] SORT_1 input_3; [L41] SORT_4 input_5; [L42] SORT_1 input_6; [L43] SORT_1 input_7; [L44] SORT_4 input_29; [L45] SORT_4 input_31; [L46] SORT_4 input_33; [L47] SORT_4 input_35; [L48] SORT_4 input_37; [L49] SORT_4 input_39; [L51] SORT_4 state_9 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L52] SORT_4 state_17 = __VERIFIER_nondet_uchar() & mask_SORT_4; [L53] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L55] SORT_4 init_10_arg_1 = var_8; [L56] state_9 = init_10_arg_1 [L57] SORT_4 init_18_arg_1 = var_8; [L58] state_17 = init_18_arg_1 [L59] SORT_1 init_44_arg_1 = var_42; [L60] state_43 = init_44_arg_1 VAL [init_10_arg_1=0, init_18_arg_1=0, init_44_arg_1=0, mask_SORT_1=1, mask_SORT_12=4294967295, mask_SORT_4=255, msb_SORT_1=1, msb_SORT_12=2147483648, msb_SORT_4=128, state_17=0, state_43=0, state_9=0, var_14=1, var_25=1, var_42=0, var_8=0] [L63] input_2 = __VERIFIER_nondet_uchar() [L64] input_3 = __VERIFIER_nondet_uchar() [L65] input_5 = __VERIFIER_nondet_uchar() [L66] input_6 = __VERIFIER_nondet_uchar() [L67] input_7 = __VERIFIER_nondet_uchar() [L68] input_29 = __VERIFIER_nondet_uchar() [L69] input_31 = __VERIFIER_nondet_uchar() [L70] input_33 = __VERIFIER_nondet_uchar() [L71] input_35 = __VERIFIER_nondet_uchar() [L72] input_37 = __VERIFIER_nondet_uchar() [L73] input_39 = __VERIFIER_nondet_uchar() [L76] SORT_4 var_11_arg_0 = state_9; [L77] SORT_1 var_11 = var_11_arg_0 >> 7; [L78] SORT_1 var_13_arg_0 = var_11; [L79] var_13_arg_0 = var_13_arg_0 & mask_SORT_1 [L80] SORT_12 var_13 = var_13_arg_0; [L81] SORT_12 var_15_arg_0 = var_13; [L82] SORT_12 var_15_arg_1 = var_14; [L83] SORT_1 var_15 = var_15_arg_0 == var_15_arg_1; [L84] SORT_1 var_16_arg_0 = var_15; [L85] SORT_1 var_16 = ~var_16_arg_0; [L86] SORT_4 var_19_arg_0 = state_17; [L87] SORT_1 var_19 = var_19_arg_0 >> 7; [L88] SORT_1 var_20_arg_0 = var_19; [L89] var_20_arg_0 = var_20_arg_0 & mask_SORT_1 [L90] SORT_12 var_20 = var_20_arg_0; [L91] SORT_12 var_21_arg_0 = var_20; [L92] SORT_12 var_21_arg_1 = var_14; [L93] SORT_1 var_21 = var_21_arg_0 == var_21_arg_1; [L94] SORT_1 var_22_arg_0 = var_16; [L95] SORT_1 var_22_arg_1 = var_21; [L96] SORT_1 var_22 = var_22_arg_0 | var_22_arg_1; [L97] SORT_1 var_26_arg_0 = var_22; [L98] SORT_1 var_26 = ~var_26_arg_0; [L99] SORT_1 var_27_arg_0 = var_25; [L100] SORT_1 var_27_arg_1 = var_26; [L101] SORT_1 var_27 = var_27_arg_0 & var_27_arg_1; [L102] var_27 = var_27 & mask_SORT_1 [L103] SORT_1 bad_28_arg_0 = var_27; [L104] CALL __VERIFIER_assert(!(bad_28_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: 0.6s, 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, 0.2s 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 [2022-11-25 15:45:03,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/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_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R --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 fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 --- 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-38b53e6 [2022-11-25 15:45:06,322 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 15:45:06,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 15:45:06,362 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 15:45:06,363 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 15:45:06,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 15:45:06,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 15:45:06,374 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 15:45:06,375 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 15:45:06,376 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 15:45:06,377 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 15:45:06,378 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 15:45:06,379 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 15:45:06,380 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 15:45:06,381 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 15:45:06,382 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 15:45:06,382 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 15:45:06,383 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 15:45:06,389 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 15:45:06,394 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 15:45:06,395 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 15:45:06,397 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 15:45:06,398 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 15:45:06,399 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 15:45:06,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 15:45:06,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 15:45:06,403 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 15:45:06,404 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 15:45:06,405 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 15:45:06,406 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 15:45:06,406 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 15:45:06,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 15:45:06,415 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 15:45:06,417 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 15:45:06,419 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 15:45:06,419 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 15:45:06,420 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 15:45:06,420 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 15:45:06,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 15:45:06,425 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 15:45:06,425 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 15:45:06,426 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2022-11-25 15:45:06,460 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 15:45:06,460 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 15:45:06,462 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 15:45:06,462 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 15:45:06,463 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 15:45:06,463 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 15:45:06,464 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 15:45:06,464 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 15:45:06,464 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 15:45:06,464 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 15:45:06,465 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 15:45:06,466 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 15:45:06,466 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 15:45:06,466 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 15:45:06,466 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-25 15:45:06,466 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-25 15:45:06,467 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-25 15:45:06,467 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 15:45:06,467 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 15:45:06,467 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 15:45:06,467 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 15:45:06,468 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 15:45:06,468 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 15:45:06,468 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:45:06,468 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 15:45:06,468 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 15:45:06,469 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 15:45:06,470 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 15:45:06,470 INFO L138 SettingsManager]: * Logic for external solver=AUFBV [2022-11-25 15:45:06,470 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_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd75bcebc98f315434e420a9b6dbe2ed83133440f297ff21f4c610e663347332 [2022-11-25 15:45:06,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 15:45:06,924 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 15:45:06,928 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 15:45:06,929 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 15:45:06,930 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 15:45:06,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-25 15:45:10,377 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 15:45:10,656 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 15:45:10,657 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c [2022-11-25 15:45:10,666 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/807c2eed9/c1495c1b22914b949134ae36bd7b6f53/FLAG13fccceba [2022-11-25 15:45:10,684 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/data/807c2eed9/c1495c1b22914b949134ae36bd7b6f53 [2022-11-25 15:45:10,687 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 15:45:10,689 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 15:45:10,691 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 15:45:10,691 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 15:45:10,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 15:45:10,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:10" (1/1) ... [2022-11-25 15:45:10,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11884a96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:10, skipping insertion in model container [2022-11-25 15:45:10,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:45:10" (1/1) ... [2022-11-25 15:45:10,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 15:45:10,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 15:45:10,885 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_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-25 15:45:10,964 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:45:10,971 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 15:45:10,985 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_18630280-bc63-4f16-9bda-8c38ea9e3500/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.h_b04.c[1107,1120] [2022-11-25 15:45:11,015 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 15:45:11,031 INFO L208 MainTranslator]: Completed translation [2022-11-25 15:45:11,032 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11 WrapperNode [2022-11-25 15:45:11,032 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 15:45:11,033 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 15:45:11,033 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 15:45:11,033 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 15:45:11,042 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,053 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,093 INFO L138 Inliner]: procedures = 11, calls = 3, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2022-11-25 15:45:11,097 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 15:45:11,098 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 15:45:11,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 15:45:11,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 15:45:11,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,117 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,134 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,138 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,142 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 15:45:11,147 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 15:45:11,147 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 15:45:11,147 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 15:45:11,148 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (1/1) ... [2022-11-25 15:45:11,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 15:45:11,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 15:45:11,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 15:45:11,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 15:45:11,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 15:45:11,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 15:45:11,406 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 15:45:11,416 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 15:45:11,815 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 15:45:11,824 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 15:45:11,824 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-25 15:45:11,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:11 BoogieIcfgContainer [2022-11-25 15:45:11,827 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 15:45:11,830 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 15:45:11,830 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 15:45:11,839 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 15:45:11,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 03:45:10" (1/3) ... [2022-11-25 15:45:11,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e00064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:45:11, skipping insertion in model container [2022-11-25 15:45:11,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:45:11" (2/3) ... [2022-11-25 15:45:11,842 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63e00064 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 03:45:11, skipping insertion in model container [2022-11-25 15:45:11,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:11" (3/3) ... [2022-11-25 15:45:11,845 INFO L112 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.h_b04.c [2022-11-25 15:45:11,864 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 15:45:11,865 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-25 15:45:11,933 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 15:45:11,942 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;@59c4a60b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 15:45:11,943 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-25 15:45:11,947 INFO L276 IsEmpty]: Start isEmpty. Operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:11,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-25 15:45:11,955 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:11,955 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-25 15:45:11,956 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:45:11,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:11,962 INFO L85 PathProgramCache]: Analyzing trace with hash 28698761, now seen corresponding path program 1 times [2022-11-25 15:45:11,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:45:11,975 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [479197756] [2022-11-25 15:45:11,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:45:11,976 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:11,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:45:11,978 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:45:11,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-25 15:45:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:45:12,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-25 15:45:12,125 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:12,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:45:12,389 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-25 15:45:12,390 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:12,391 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [479197756] [2022-11-25 15:45:12,391 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [479197756] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 15:45:12,392 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 15:45:12,392 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 15:45:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928440834] [2022-11-25 15:45:12,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 15:45:12,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 15:45:12,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:12,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 15:45:12,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 15:45:12,444 INFO L87 Difference]: Start difference. First operand has 11 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 10 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:12,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:12,516 INFO L93 Difference]: Finished difference Result 20 states and 30 transitions. [2022-11-25 15:45:12,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 15:45:12,519 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-11-25 15:45:12,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:12,529 INFO L225 Difference]: With dead ends: 20 [2022-11-25 15:45:12,530 INFO L226 Difference]: Without dead ends: 11 [2022-11-25 15:45:12,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 15:45:12,538 INFO L413 NwaCegarLoop]: 5 mSDtfsCounter, 4 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 13 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:12,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 13 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 15:45:12,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2022-11-25 15:45:12,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 9. [2022-11-25 15:45:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:12,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-11-25 15:45:12,580 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2022-11-25 15:45:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:12,580 INFO L495 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2022-11-25 15:45:12,581 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:12,581 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-11-25 15:45:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 15:45:12,582 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:12,582 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2022-11-25 15:45:12,607 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-25 15:45:12,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:12,808 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:45:12,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:12,809 INFO L85 PathProgramCache]: Analyzing trace with hash 271073635, now seen corresponding path program 1 times [2022-11-25 15:45:12,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:45:12,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [866729552] [2022-11-25 15:45:12,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 15:45:12,811 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:12,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:45:12,814 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:45:12,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-25 15:45:12,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 15:45:12,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 32 conjunts are in the unsatisfiable core [2022-11-25 15:45:13,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:13,256 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:45:13,256 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:45:13,756 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:45:13,756 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:13,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [866729552] [2022-11-25 15:45:13,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [866729552] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:45:13,758 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 15:45:13,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2022-11-25 15:45:13,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020305363] [2022-11-25 15:45:13,763 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 15:45:13,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-25 15:45:13,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:13,767 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-25 15:45:13,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 15:45:13,768 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:13,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:13,886 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2022-11-25 15:45:13,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 15:45:13,887 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2022-11-25 15:45:13,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:13,888 INFO L225 Difference]: With dead ends: 16 [2022-11-25 15:45:13,888 INFO L226 Difference]: Without dead ends: 14 [2022-11-25 15:45:13,889 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:45:13,891 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 9 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:13,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 15 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:45:13,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-25 15:45:13,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 12. [2022-11-25 15:45:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2022-11-25 15:45:13,898 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2022-11-25 15:45:13,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:13,898 INFO L495 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2022-11-25 15:45:13,899 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:13,899 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2022-11-25 15:45:13,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-25 15:45:13,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 15:45:13,900 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-25 15:45:13,916 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-25 15:45:14,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:14,101 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-25 15:45:14,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 15:45:14,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1020920393, now seen corresponding path program 2 times [2022-11-25 15:45:14,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2022-11-25 15:45:14,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [940735879] [2022-11-25 15:45:14,103 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-11-25 15:45:14,103 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:14,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat [2022-11-25 15:45:14,105 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-25 15:45:14,111 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-25 15:45:14,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-11-25 15:45:14,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-25 15:45:14,247 INFO L263 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-25 15:45:14,251 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-25 15:45:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:45:14,585 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-25 15:45:15,132 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 15:45:15,133 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2022-11-25 15:45:15,133 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [940735879] [2022-11-25 15:45:15,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [940735879] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-25 15:45:15,137 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-11-25 15:45:15,137 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2022-11-25 15:45:15,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314144784] [2022-11-25 15:45:15,141 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-11-25 15:45:15,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-25 15:45:15,154 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2022-11-25 15:45:15,155 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-25 15:45:15,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2022-11-25 15:45:15,155 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) [2022-11-25 15:45:15,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 15:45:15,347 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-25 15:45:15,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 15:45:15,348 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 [2022-11-25 15:45:15,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 15:45:15,348 INFO L225 Difference]: With dead ends: 13 [2022-11-25 15:45:15,348 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 15:45:15,349 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2022-11-25 15:45:15,350 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 12 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 15:45:15,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 12 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 15:45:15,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 15:45:15,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 15:45:15,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 15:45:15,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 15:45:15,353 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2022-11-25 15:45:15,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 15:45:15,353 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 15:45:15,354 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) [2022-11-25 15:45:15,354 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 15:45:15,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 15:45:15,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-25 15:45:15,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-25 15:45:15,579 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-25 15:45:15,581 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 15:45:15,710 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 15:45:15,710 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 15:45:15,711 INFO L895 garLoopResultBuilder]: At program point L127(lines 22 128) the Hoare annotation is: false [2022-11-25 15:45:15,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 15:45:15,711 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 15:45:15,713 INFO L895 garLoopResultBuilder]: At program point L61-2(lines 61 126) the Hoare annotation is: (let ((.cse0 (= (_ bv1 8) |ULTIMATE.start_main_~mask_SORT_1~0#1|)) (.cse1 (= |ULTIMATE.start_main_~var_14~0#1| (_ bv1 32))) (.cse2 (exists ((|ULTIMATE.start_main_~var_47_arg_1~0#1| (_ BitVec 8))) (let ((.cse3 ((_ extract 7 0) ((_ zero_extend 24) |ULTIMATE.start_main_~var_47_arg_1~0#1|)))) (and (= |ULTIMATE.start_main_~state_9~0#1| .cse3) (= .cse3 |ULTIMATE.start_main_~state_17~0#1|)))))) (or (and .cse0 (= |ULTIMATE.start_main_~state_9~0#1| (_ bv0 8)) (= (_ bv1 8) |ULTIMATE.start_main_~var_25~0#1|) (= (_ bv0 8) |ULTIMATE.start_main_~state_43~0#1|) .cse1 .cse2) (and .cse0 (= |ULTIMATE.start___VERIFIER_assert_~cond#1| (_ bv1 32)) .cse1 .cse2))) [2022-11-25 15:45:15,713 INFO L899 garLoopResultBuilder]: For program point L61-3(lines 61 126) no Hoare annotation was computed. [2022-11-25 15:45:15,713 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 20) no Hoare annotation was computed. [2022-11-25 15:45:15,713 INFO L899 garLoopResultBuilder]: For program point L20(line 20) no Hoare annotation was computed. [2022-11-25 15:45:15,714 INFO L899 garLoopResultBuilder]: For program point L20-1(line 20) no Hoare annotation was computed. [2022-11-25 15:45:15,714 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-25 15:45:15,718 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1] [2022-11-25 15:45:15,720 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 15:45:15,736 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,737 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,737 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,738 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,744 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,745 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,745 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 03:45:15 BoogieIcfgContainer [2022-11-25 15:45:15,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 15:45:15,747 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 15:45:15,747 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 15:45:15,748 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 15:45:15,748 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:45:11" (3/4) ... [2022-11-25 15:45:15,752 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 15:45:15,765 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-25 15:45:15,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 15:45:15,766 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 15:45:15,812 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1bv8 == mask_SORT_1 && state_9 == 0bv8) && 1bv8 == var_25) && 0bv8 == state_43) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] == state_17)) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] == state_17)) [2022-11-25 15:45:15,840 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 15:45:15,840 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 15:45:15,841 INFO L158 Benchmark]: Toolchain (without parser) took 5151.72ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 63.7MB in the beginning and 89.2MB in the end (delta: -25.4MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,842 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 15:45:15,843 INFO L158 Benchmark]: CACSL2BoogieTranslator took 341.36ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 51.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.22ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,845 INFO L158 Benchmark]: Boogie Preprocessor took 47.57ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,845 INFO L158 Benchmark]: RCFGBuilder took 680.93ms. Allocated memory is still 86.0MB. Free memory was 48.3MB in the beginning and 60.5MB in the end (delta: -12.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,846 INFO L158 Benchmark]: TraceAbstraction took 3916.49ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 59.8MB in the beginning and 93.4MB in the end (delta: -33.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,847 INFO L158 Benchmark]: Witness Printer took 93.33ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 89.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 15:45:15,851 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 86.0MB. Free memory is still 63.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 341.36ms. Allocated memory is still 86.0MB. Free memory was 63.5MB in the beginning and 51.8MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.22ms. Allocated memory is still 86.0MB. Free memory was 51.8MB in the beginning and 49.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.57ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 48.3MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 680.93ms. Allocated memory is still 86.0MB. Free memory was 48.3MB in the beginning and 60.5MB in the end (delta: -12.2MB). Peak memory consumption was 10.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3916.49ms. Allocated memory was 86.0MB in the beginning and 134.2MB in the end (delta: 48.2MB). Free memory was 59.8MB in the beginning and 93.4MB in the end (delta: -33.6MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 93.33ms. Allocated memory is still 134.2MB. Free memory was 93.4MB in the beginning and 89.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_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: 3.8s, OverallIterations: 3, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 25 mSDsluCounter, 40 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 29 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 49 IncrementalHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 11 mSDtfsCounter, 49 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=12occurred in iteration=2, InterpolantAutomatonStates: 18, 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, 52 HoareAnnotationTreeSize, 2 FomulaSimplifications, 8 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 32 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 38 ConstructedInterpolants, 11 QuantifiedInterpolants, 691 SizeOfPredicates, 103 NumberOfNonLiveVariables, 348 ConjunctsInSsa, 104 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: 22]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 61]: Loop Invariant [2022-11-25 15:45:15,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,862 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,863 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,863 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,863 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] [2022-11-25 15:45:15,864 WARN L421 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[ULTIMATE.start_main_~var_47_arg_1~0#1,QUANTIFIED] Derived loop invariant: (((((1bv8 == mask_SORT_1 && state_9 == 0bv8) && 1bv8 == var_25) && 0bv8 == state_43) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] == state_17)) || (((1bv8 == mask_SORT_1 && cond == 1bv32) && var_14 == 1bv32) && (\exists ULTIMATE.start_main_~var_47_arg_1~0#1 : bv8 :: state_9 == ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] && ~zero_extendFrom8To32(ULTIMATE.start_main_~var_47_arg_1~0#1)[7:0] == state_17)) RESULT: Ultimate proved your program to be correct! [2022-11-25 15:45:15,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_18630280-bc63-4f16-9bda-8c38ea9e3500/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE